10 AI SDR Startups That Actually Deliver Sales Results in 2025

AI SDR startups are taking the sales world by storm, and the reason is clear. Cold email reply rates have dropped by at least 50% in the past two years, which makes traditional outreach a growing challenge.

This piece will get into 10 SDR companies that revolutionize sales development with AI. Our extensive testing separates the top performers from those making empty promises.

10 Best AI SDR Startups In 2025

Persana.ai

Persana.ai leads sales intelligence platforms by connecting data from 75+ providers with powerful AI capabilities. The platform naturally combines touchpoints throughout the buyer's experience to create a detailed sales automation ecosystem, unlike traditional prospecting tools.

Persana.ai Key Features

Nia, their AI SDR, sits at the heart of Persana's offering and automates up to 90% of the sales development process. This smart assistant can tap into over 1 billion global contacts through the platform's vast data network. Key capabilities include:

• End-to-End Prospecting Automation that handles everything from research to tailored outreach

• AI-Powered Lead Enrichment with 30+ data points for each prospect

• Signal-Based Selling that spots high-value opportunities through AI-driven triggers

• Live Job Change Tracking to time your outreach perfectly

• PersanaVector™ Technology uses semantic intent recognition instead of static keyword matching and delivers 76% higher relevance scores compared to standalone keyword search

On top of that, Persana's waterfall enrichment system connects to multiple data sources at once to ensure the most detailed contact information. The platform naturally fits with major CRM systems like Salesforce and HubSpot.

Persana.ai Pricing

Persana uses transparent, credit-based pricing with annual billing options. Each credit equals one enrichment, with phone numbers requiring more credits than emails. Their pricing tiers include:

• Starter: $68/month (24k credits/year) - Perfect if you have unlimited users and simple CSV exports

• Growth: $151/month (60k credits/year) - The popular choice that adds email tool integration and webhooks

• Pro: $400/month (216k credits/year) - Built for growth teams with CRM integration and intent/trigger tracking

• Unlimited: $600/month (600k credits/year) - The best value for high-volume teams

Persana introduced "Pricing 2.0" recently with flexible features like credit rollover (unused credits move to next month, capped at 2x your monthly limit) and on-demand top-ups without changing plans.

Persana.ai Best Use Case

Persana works best for mid-market businesses and growing sales teams that want to scale their outbound efforts efficiently. The platform's AI automation cuts sales cycle time by 65% and boosts conversion rates by 30%, making it perfect for companies focused on rapid growth.

Persana's AI SDR Nia offers a compelling solution that streamlines prospecting, outreach personalization, and follow-up sequences if you want to revolutionize your sales development process. Mid-stage outbound teams doing high-volume outreach get the most value, especially when targeting decision-makers in companies of all sizes.

The platform replaces hiring and training human SDRs, which usually costs between $4000-$7000 monthly, while a typical SDR spends only 33% of their time selling.

AiSDR

AiSDR works as your AI-powered sales autopilot system. This virtual sales assistant takes care of your outbound and inbound outreach without constant monitoring. A quick questionnaire sets up the system, and it runs on its own with minimal oversight.

AiSDR Key Features

AiSDR's platform stands out with features that make the sales process smooth and efficient:

• Massive Lead Database: You'll get access to over 700 million contacts across 30+ million companies worldwide. No need to buy extra prospecting tools

• Hyper-Personalization Engine: The system pulls data from 323+ sources to create messages that get a 68% open rate

• Multi-Channel Engagement: Your emails, LinkedIn messages, and text messages work together naturally for complete outreach

• HubSpot Integration: The native two-way HubSpot connection syncs with your lists and personalizes messages using any three HubSpot properties

• AI-Generated Content: The system creates custom memes, videos, and voice notes to get better engagement

• Rapid Response System: You'll get responses to incoming emails within 5-10 minutes. This boosts conversion rates up to 40%

• Intelligent Objection Handling: The system handles objections, auto-replies, and out-of-office messages automatically

AiSDR also looks for prospects that match your ideal customer profile. It tracks buyer intent through website visits, job postings, and technology usage. You'll get AI-generated call scripts for every lead too.

AiSDR Pricing

The pricing is simple. You pay based on email volume, and you get all features whatever plan you choose:

• Basic Plan: USD 900.00 per month gets you 1,000 personalized emails

• Custom Plans: Higher volume needs get discounts up to 36%

• Additional Emails: Each set of 10 extra emails costs USD 7.50

Every plan comes with unlimited leads, LinkedIn and text message outreach, seats, AI prospecting with buyer intent signals, and 24/7 support from a dedicated GTM Engineer. Unlike others, AiSDR runs month-to-month with no long-term contracts. You can cancel anytime.

The setup takes 1-3 days. New email domains need 3-5 days to warm up properly. This flexibility makes it easy to try out sales AI without getting locked in.

AiSDR Best Use Case

Sales teams love AiSDR when they want to make their outreach better and get more conversions. The results speak for themselves:

• Time Savings: Emails get responses in under 10 minutes. Human SDRs usually take 20-30 minutes

• Conversion Performance: You can book 1-3 meetings per 100 leads, and outreach happens 96.6x faster

• Financial Impact: Over 150 companies made 15% more revenue in their first month

• Cost Efficiency: You save about USD 132,000.00 yearly compared to hiring a human SDR

B2B companies find this tool perfect when targeting decision-makers. It reads LinkedIn activity and creates messages that fit each context.

The system helps teams with email deliverability and domain health. Its warm-up system and triple-checked verification keep bounce rates under 5%. Companies that send lots of personalized emails get the most value from AiSDR.

Artisan (Ava)

Artisan revolutionizes outbound sales with Ava, an AI Business Development Representative (BDR). The platform automates about 80% of outbound demand generation. B2B SaaS startups with early product-market fit can now combine multiple outbound tools into one system.

Artisan Key Features

Ava serves as a complete AI sales agent with these powerful capabilities:

• Conversational Intelligence - A chat interface helps understand your ideal customer profile through product descriptions and target audience

• Lead Discovery - Access to over 300 million B2B contacts in 200 countries helps find qualified prospects

• Deep Research Capabilities - Lead enrichment using CrunchBase, LinkedIn, Twitter, and website scraping

• Hyper-Personalization - AI Sales Playbooks create customized outreach messages with different cold email strategies

• Automated Follow-ups - AI-powered automation manages prospect responses

• Deliverability Management - Email warmup, dynamic send limits, and tools ensure inbox placement

Ava uses a "Personalization Waterfall" to determine the best personalization approach for each prospect. The system analyzes social media posts, website visits, and other data points.

Artisan Pricing

The platform's pricing depends on the number of leads in outreach campaigns. Monthly plans start between USD 1500.00–USD 2000.00 with an annual contract.

Businesses of all sizes can get customized plans, whether they're early-stage startups or enterprise organizations. Potential customers can ask for a personalized quote based on their outreach needs.

Artisan Best Use Case

Outbound sales teams looking for complete automation will benefit from Artisan. Bioaccess, a medical contract research organization, showcases the platform's effectiveness. Their CEO reported 3%+ response rates and four sales calls with potential deals in just two months.

Companies with standard B2B sales processes and clear ideal customer profiles get the best results. The platform helps teams scale outreach without adding headcount. Ava works 24/7 like a junior SDR who needs some oversight but handles most repetitive tasks.

Artisan provides a great alternative to hiring traditional SDRs, which often requires extensive training and management time.

Lyzr (Jazon)

Lyzr has launched Jazon, an AI-powered Sales Development Representative that takes care of your entire sales outreach process. This smart AI system handles everything from researching leads to customizing emails, which saves sales teams countless hours of manual work.

Lyzr Key Features

Jazon stands out with its coordinated multi-agent system that manages the complete outreach process:

• AgentMesh Technology - Multiple AI agents work together - one finds leads while another crafts messages

• Automated Lead Research - The system analyzes data to find promising leads based on key insights

• Personalized Outreach - The tool writes custom emails that connect emotionally, resulting in 73% more qualified leads

• Enhanced Privacy - The system runs on your local cloud to ensure data security and meet GDPR, CCPA, and SOC 2 standards

• Adaptive Learning - The platform learns through three layers: Human Feedback, AI Feedback, and Group Feedback via AgentMesh

Jazon's Email Optimized Language Model (EOLM) goes beyond standard features. Teams can choose from three communication styles—Relationship, Sales, and Marketing—to match their outreach strategy with specific engagement goals.

Lyzr Pricing

Lyzr keeps its subscription model simple and clear:

• Community: Free forever with 500 credits and simple features

• Pro: $99/month includes 120,000 credits, standard LLM models, and 1GB knowledge base

• Teams: $999/month comes with 1.2M credits, weekday support, and 10GB storage

Every plan includes unlimited agents and users, plus Safe AI & Responsible AI features. Larger organizations can access Enterprise plans with unlimited credits, round-the-clock support, and premium models.

Lyzr Best Use Case

Jazon works best for teams that need strong privacy, compliance, and sales automation. The system delivers exceptional results for:

• Mid-to-large businesses that want automated yet personal sales processes

• Companies with complex sales environments that need to reach out through email, LinkedIn, and WhatsApp

• Organizations prioritizing data security since Jazon runs within your cloud setup

The platform knows how to research accounts using buying signals, monitor content engagement, and schedule meetings at the right time. This makes it perfect for B2B sales teams.

Jazon is more than just a message-sending tool - it's a strategic AI SDR solution. The system creates a priority-based account map by looking at website activity, social signals, and marketing data. Teams using this approach have saved up to 10 times the cost compared to traditional methods.

Qualified (Piper)

Piper, Qualified's AI SDR agent, focuses on inbound pipeline generation rather than outbound prospecting. This AI assistant works 24/7 to help website visitors, respond to questions, and book meetings with sales representatives.

Qualified Key Features

Piper uses four main capabilities that work together to maximize inbound lead conversion:

• Piper Conversations - Helps buyers through live website interactions, greets visitors with custom messages and answers questions right away

• Piper Email - Sends tailored follow-up emails at key points during the buyer's trip

• Piper Meetings - Books meetings between qualified prospects and sales representatives based on smart routing rules

• Piper Offers - Shows relevant marketing content to website visitors based on their specific needs and buying intent

Piper stands out by connecting deeply with Salesforce CRM data, which enables targeted interactions. The platform has AI Studio where teams can add valuable content, messaging snippets, and FAQs to train Piper like a human SDR.

Qualified Pricing

Qualified offers three main pricing tiers that come with Piper as part of their Agentic Marketing Platform:

• Premier - Basic plan with core Piper features including live conversations, meeting scheduling, tailored emails, and marketing offers

• Enterprise - Adds enterprise SSO, multiple language support, third-party intent signals, and custom data retention policies

• Ultimate - Built for large organizations that need multiple agent profiles, websites, brands, and high-volume capabilities

Each plan comes with AI SDR Agent Studio, account segmentation, Salesforce CRM integration, 20+ GTM systems, and automated workflow actions. Prospects should contact Qualified directly to get specific pricing.

Qualified Best Use Case

Piper works best for companies that want to improve inbound lead management without hiring more SDRs. Companies using Piper have seen impressive results:

• Demandbase saw a 2X increase in pipeline and 3X more meetings booked compared to human SDRs in just 60 days

• They saved USD 80,000.00 in staff costs while booking 37% more meetings with tier 1 accounts

• NextGen Healthcare found 1,400 missed chats monthly and added USD 60,000.00 in monthly revenue after using Piper

• FreshBooks grew their inbound sales revenue 6X

B2B companies with high website traffic that want to capture and convert high-intent prospects on their websites get the best results from Piper.

Conversica

Conversica, founded in 2007, enables sales teams with autonomous AI-powered Revenue Digital Assistants that connect with leads through human-like conversations. The assistants free sales teams from repetitive tasks and improve lead quality. Their technology has been refined through billions of ground interactions.

Conversica Key Features

Conversica's platform uses over 50 intent models to understand complex exchanges. The system responds with 98% accuracy and offers:

• AnswersIQ™ - Powered by Retrieval Augmented Generation technology that grounds responses in your brand content

• Powerfully Human® Conversations - Two-way interactions across email, SMS, and chat in the contact's preferred language

• Persistent Outreach - Assistants connect 7-12 times with human-like variability before trying different approaches

• Dynamic Segmentation - Uses data from multiple sources to customize each exchange

• Custom AI Controls - Flexible conversation editing options that balance automation with brand voice protection

The platform goes beyond simple capabilities. Self-learning AI models derived from over a decade of interactions help Conversica improve continuously.

Conversica Pricing

Conversica uses a monthly subscription model with an annual commitment. The pricing structure has:

• Unlimited seats for marketers, sales reps, and managers

• Different editions with varying functionality levels that match specific business needs

• Quick implementation that creates revenue opportunities within days instead of months

One closed deal typically covers the yearly service fee, leading to strong ROI. Many businesses find Conversica more economical than hiring call centers while getting better results.

Conversica Best Use Case

Organizations looking to scale customer engagement without increasing headcount will find Conversica particularly useful. The platform serves three main use cases:

For Marketing Leaders: The quality of engagement across marketing activities improves, resulting in better leads and ROI. The system qualifies prospects through conversation before routing them appropriately.

For Sales Leaders: Teams can double their capacity without added headcount. The system handles original qualification and turns outbound efforts into inbound opportunities. Sales teams save countless hours they would have spent on "call and email grinding".

For Customer Success Leaders: Customer Success Managers can focus on strategic discussions while the system handles customized engagement with every customer.

The platform maintains enterprise-grade protections with SOC 2 Type II, GDPR, and CCPA compliance throughout implementation.

11x.ai (Alice)

Alice, 11x.ai's autonomous AI sales agent, brings dead leads back to life and restarts old conversations from your CRM. This AI sales rep works round the clock on multiple channels and turns forgotten leads into new revenue.

11x.ai Key Features

Alice has a detailed set of capabilities that make it stand out from other sdr tools:

• 24/7 Autonomous Prospecting - Prospects, handles replies, and schedules meetings without supervision

• Multi-language Support - Speeds up growth in international markets with over 105 languages

• Deep Personalization - Uses prospect research with self-improving messages instead of templates

• Multi-channel Engagement - Connects through email, calls, and other channels with custom sequences

• Lead Scoring Engine - Finds high-intent prospects through smart prioritization

Without doubt, Alice shines in knowing how to exploit behavioral signals to spot each prospect's real pain points. The system also enhances your CRM data to create effective personalized campaigns.

11x.ai Pricing

While 11x.ai doesn't show pricing on its website, several sources point to this structure:

• Starting price around USD 5000.00 monthly for 3,000 contacts

• Each email costs about USD 1.67 (up to 5 emails per contact)

• Monthly email limit: about 15,000

Some sources suggest a median contract value of USD 43,500.00 yearly based on actual purchase data. 11x.ai comes in three product tiers:

1. Alice: Pro

2. Alice: Business - Features CRM integration, hotleads, domain creation & warm-up

3. Alice: Advanced - Supports 3,500 new prospects monthly and up to 5 end users

11x.ai Best Use Case

11x.ai works best for businesses with large Total Addressable Markets that need high-volume, automated outreach. The platform shows impressive results:

• 30% more meetings per Account Executive

• 80% better meeting-to-qualified opportunity conversion

• 50% lower cost per lead

• Revenue generated for customers exceeds USD 100 million

The system works best when companies need to reach prospects on multiple channels at once. Alice really shines when organizations want to restart cold pipeline prospects, getting a 35% response rate with creative approaches like meme strategies.

Sales teams that want to grow without hiring more SDRs will find 11x.ai helpful. It handles everything from finding potential leads to sending custom messages - all on its own.

Relevance (Bosh)

Bosh by Relevance AI acts as an AI-powered Sales Development Representative that manages your sales funnel from top to bottom. This AI BDR agent researches prospects, writes custom messages, and schedules meetings without any human input.

Relevance Key Features

The AI agent comes with these powerful features:

• Customizable Workflows - You can create AI agents that match your sales playbook perfectly

• Multi-source Research - The system analyzes data from LinkedIn, websites, product usage, CRM, and even Glassdoor reviews

• Intelligent Personalization - Messages are crafted based on detailed prospect research

• Meeting Scheduling - The system books meetings automatically and handles any objections

• Metadata Capture - The agent collects valuable data from each task it performs

• Version Control - You can track, test, and restore AI agents seamlessly

Bosh stands out because it knows how to handle large volumes of leads quickly, making it perfect for large-scale outreach campaigns.

Relevance Pricing

You can choose from these pricing tiers:

• Free Plan: USD 0.00/month - 100 credits/day, 1 user, 10MB knowledge base

• Pro Plan: USD 19.00/month - 10,000 credits/month, 1 user, 100MB knowledge base

• Team Plan: USD 199.00/month - 100,000 credits/month, 10 users, 1GB knowledge base, premium integrations

• Business Plan: USD 599.00/month - 300,000 credits/month, unlimited users, 5GB knowledge base

• Enterprise Plan: Custom pricing for advanced features

Each plan uses a credit system and agents keep taking them during operations.

Relevance Best Use Case

Bosh shines when processing high volumes of leads. Companies using this AI SDR have seen remarkable results:

• 60% increase in leads contacted monthly

• 30% faster time to close

• 40% more meetings booked

• 10% higher win rate

Bosh works best for companies that want to scale their outreach while keeping it personal. The system runs non-stop so you never miss a chance. It multiplies your team's effectiveness, letting human SDRs build relationships while the AI handles research and admin work.

Thena.ai

Thena.ai started as an AI-powered customer support platform but has grown into a robust sales tool that automates outbound processes without SDRs. The platform brings together customer interactions from Slack, Discord, Email, MS Teams, and Web chat into one AI-powered central system.

Thena.ai Key Features

Thena.ai has a complete set of features that make it stand out from other sdr tools:

• Autonomous Support & Service - AI manages complex tasks like customer responses, field applications, ticket creation, and issue escalation

• Omni-channel Support - Brings all customer messages together into organized tickets right away

• Multi-persona Ticketing - Optimizes team processes with customizable boards and role-based controls

• Workflows - Combines human and AI actions to maximize business efficiency

• Centralized Customer Data - Provides unified account visibility to improve team collaboration

• Sentiment Analysis - Monitors customer sentiment changes during conversations

The platform also works naturally with major CRM platforms like Salesforce and HubSpot. It updates conversations, insights, and summaries automatically without manual data entry.

Thena.ai Pricing

Thena's pricing comes in three tiers:

• Free: USD 0.00/month - Has AI ticket detection, summaries, tagging, and assistant

• Standard: USD 79.00/user/month (billed annually) - Adds AI web chat, agent studio, and APIs

• Enterprise: Custom pricing - Includes AI agent custom deployments, MS Teams integration, enterprise security

Growing teams often choose the Standard plan, which requires annual billing.

Thena.ai Best Use Case

B2B companies looking to scale outbound efforts without hiring more staff will find Thena particularly useful. The platform matches the output of 5-10 sales representatives without traditional outbound roles.

Tech companies selling technical products to development, product, or engineering teams showcase a notable success story. These businesses automated many manual outbound processes with Thena, and 70% of their next 100 customers came through this automated approach.

The platform creates an efficient environment in Slack where experts, prospects, and data come together. Teams can work together in real-time, making sales engagement more effective.

ZoomInfo Copilot

ZoomInfo Copilot combines AI with leading B2B data to unite go-to-market intelligence. The platform predicts pipeline and suggests powerful sales recommendations. This AI-powered solution helps sales teams find the right prospects, determine the best time to reach out, and craft effective messages across channels.

ZoomInfo Copilot Key Features

ZoomInfo Copilot stands out with these powerful capabilities:

• Account Summaries - The platform unites first and third-party data to create detailed account overviews. These summaries show pain points, upcoming deals, important contacts, and previous interactions

• Buying Groups - The system finds key decision-makers and influencers in target accounts by analyzing websites, case studies, and earnings call summaries

• Copilot Chat - Users can ask specific questions and get quick, context-driven responses about accounts through conversational AI from various access points

• AI Email Generator - The tool creates targeted, customized emails that adapt to tone and length. These emails incorporate relevant details like C-suite changes and buyer intent[403]

• Real-Time Signals - The platform monitors over 15 signal types such as funding rounds, strategic collaborations, M&A activity, layoffs, and intent data to spot engagement opportunities

The platform has breaking alerts on Slack, Microsoft Teams, and email. It also features two-way CRM integrations that utilize first-party data with ZoomInfo data.

ZoomInfo Copilot Pricing

The platform offers three pricing tiers:

• Copilot Pro: USD 14,995.00/year - Perfect for small businesses and startups

• Copilot Advanced: USD 24,000.00+/year - Mid-sized companies get intent data and advanced features

• Copilot Enterprise: USD 32,995.00/year - Large organizations receive up-to-the-minute intent data, sales automation, and advanced company characteristics

It's worth mentioning that Copilot needs at least the Advanced or Elite subscription level and isn't part of ZoomInfo's Professional Plan.

ZoomInfo Copilot Best Use Case

ZoomInfo Copilot works best for experienced sales teams looking to streamline processes and generate pipeline. Customer results show impressive numbers:

• Teams save 10 hours weekly on research and manual tasks[422]

• 71% of users found new opportunities with existing accounts[422]

• Overall productivity improved by 60%

• Pipeline generation increased by nearly 25% after implementation

• Teams book 58-60% more meetings and demos weekly[422]

• 45% of CRM opportunities match Copilot's suggestions

The platform ended up performing best for teams that need deep account intelligence and signal-based selling instead of simple outbound automation. Sales teams with longer, complex sales cycles find great value in the platform's ability to spot buying signals and provide contextual recommendations.

Conclusion

AI SDR tools have created a fundamental change in sales teams' approach to prospecting and lead generation. These ten platforms show clear advantages - they cost much less than human SDRs and help sales teams avoid repetitive tasks. Companies that use these tools see better response rates, book more meetings, and generate more revenue.

Your business needs will determine which AI SDR fits best. Persana.ai's vector-based technology works great for mid-market businesses that want to scale their outbound efforts. AiSDR excels at personalizing messages across multiple channels. ZoomInfo Copilot gives deep account insights for complex sales cycles. Qualified's Piper turns website visitors into qualified meetings.

Sales teams who want to see how AI can reshape their development process should check out Persana's AI SDR Nia. It offers complete prospecting automation while keeping outreach personal at scale.

AI SDR tools don't try to replace salespeople - they magnify what humans can do. These platforms handle mechanical outreach tasks so sales professionals can build relationships and close deals. This mix of technology and human connection shows what sales will look like tomorrow, where AI handles repetitive work and people provide the strategic value that propels business development.

Key Takeaways

AI SDR startups are revolutionizing sales development by automating up to 90% of outbound processes while delivering measurable results that traditional methods struggle to match.

• Cost efficiency drives adoption: AI SDRs cost around $1,000 monthly versus $55K+ for human SDRs, with some platforms achieving $132,000 annual savings per replacement.

• Impressive performance metrics: Leading platforms report 30-95% increases in qualified leads, 65% faster sales cycles, and response rates improving from sub-10% to over 30%.

• 24/7 automation scales outreach: These tools work continuously across multiple channels, handling research, personalization, follow-ups, and meeting scheduling without human intervention.

• Personalization at scale: Advanced AI engines analyze 300+ data points to craft hyper-personalized messages, achieving 68% open rates through intelligent prospect research.

• Integration capabilities matter: The most successful implementations integrate seamlessly with existing CRM systems like Salesforce and HubSpot, maintaining data consistency across platforms.