6 Best AI SDR Companies We Tested for B2B Sales in 2025

A remarkable 83% of sales reps using ai sdr companies achieved tangible success compared to their non-using counterparts. This isn't just a slight improvement—it's revolutionizing B2B sales teams worldwide.

We really tested the leading SDR companies in the market. GenAI adoption nearly doubled to 65% across organizations in just 10 months during 2024. The right AI sales outreach solution makes all the difference in today's competitive landscape.

This piece will share our direct experience with the 6 best AI SDR companies worth investing in for 2025.

Persana

Persana has emerged as a leader among AI SDR companies by integrating data from over 75 providers into a complete sales intelligence platform. My tests showed its AI-driven automation cut sales cycle time by 65% and boosted conversion rates by 30%.

Key Features of Persana

Nia, Persana's flagship AI sales agent, sits at the core of their platform and automates up to 90% of sales development tasks. The platform excels because of its rich data foundation:

• Signal-Based Selling: Tracks 75+ buying intent indicators including job changes, funding rounds, website visits, and keyword intent

• PersanaVector™ Technology: Uses semantic intent recognition instead of simple keyword matching and achieves 76% higher relevance scores than traditional search

• Waterfall Enrichment System: Links to multiple data providers at once, delivering better match rates than Apollo and ZoomInfo combined

• Hyper-Personalized Outreach: Builds custom messages based on prospects' specific needs and recent activities

My analysis revealed Persana's impressive capability to process information from hundreds of companies at once. The system zeros in on businesses in growth mode that actively seek new talent—a smart way to spot high-intent opportunities.

The platform's Quantum Agent technology enriches lead lists automatically with detailed information about company tech stacks and key decision-makers' emails. The system maintains smooth conversations across email, LinkedIn, and other channels while keeping all your data in one place.

Pros and Cons of Persana

Pros:

• Better match rate for contact information than competitors

• Every paid plan includes unlimited team members

• Teams save 8-10 hours weekly on prospecting

• Smooth integration with major CRM systems like Salesforce and HubSpot

• Job change alerts in real-time

Cons:

• The platform takes time to learn

• Customer service documentation needs improvement

• Best suited for small and medium businesses

• Enterprise-scale operations might face scaling challenges

Companies using Persana see a remarkable 95% increase in qualified leads and save three weeks monthly by eliminating manual scoring. Their Chrome extension helps teams quickly extract and analyze prospect information right from websites.

Persana Pricing

The platform uses a straightforward credit system where most actions cost 1 credit, except phone numbers which need 10 credits:

Traditional SDRs cost USD 4,000-7,000 monthly, but Persana's AI SDR works round the clock at a fraction of the cost. The credit system has improved with user-friendly features like credit rollover and flexible top-ups.

The sort of thing I love about Persana's AI SDR technology is how it removes the need for multiple subscriptions. You get one system that handles prospecting, enrichment, and outreach together.

My tests showed Persana shines for teams wanting to automate their prospecting workflows. The platform runs like a well-oiled sales machine, sending follow-ups and booking meetings on its own. Yet, small to medium-sized businesses will find it most useful, rather than large enterprise operations that might need more scaling options.

Artisan

Artisan's AI-powered BDR, Ava, stands out among the AI SDR companies I tested this year. The platform can automate over 80% of the outbound demand generation process. It works like a digital SDR that runs 24/7.

Key Features of Artisan

Ava, Artisan's AI Business Development Representative, guides the entire outbound sales workflow:

• Complete B2B Database: Access to over 300 million verified B2B contacts in 200 countries

• Advanced Lead Enrichment: Gathers data from LinkedIn, Twitter, fundraising information, and company news

• Tailored Outreach: Creates custom messages using their "Personalization Waterfall" to select the best approach

• Multi-Channel Communication: Runs email campaigns and LinkedIn outreach from one platform

• Email Deliverability Suite: Has email warmup, mailbox health monitoring, and dynamic sending limits

My tests showed Ava works well within Artisan's platform, which merges all outbound sales tools without external integrations. The system finds the best personalization angles for each prospect by looking at their LinkedIn posts, news mentions, job changes, and funding rounds.

Pros and Cons of Artisan

Pros:

• Setup process takes little time

• Customer support team responds quickly

• Email warmup features work well

• Complete B2B database access

• Saves time on repetitive tasks

Cons:

• Interface needs a modern update

• AI personalization feels generic at first

• Optimal results take time to achieve

• Campaign response metrics need work

• Only integrates with HubSpot and Salesforce

A verified software industry user said: "The concept is great. Having all of the needed prospecting sources in one location is solid. I love the idea of a truly AI SDR". Other users mentioned that Artisan "requires a ton of handholding" during setup.

Successful users recommend spending 2-3 weeks to train and refine Ava's outputs before letting it run on its own. This early investment is vital for the platform's long-term success.

Artisan Pricing

Artisan's pricing depends on how many leads you contact. They offer custom plans for businesses of all sizes:

External sources show Artisan's plans start at USD 1500.00-2000.00 per month with yearly contracts. Enterprise clients get white-glove support with dedicated account managers and direct Slack or Teams access.

Companies using Artisan see 30-40% better response rates and book twice as many meetings. Mid-market companies with outbound-focused teams get the best results from quick deployment.

Note that Artisan needs a yearly contract with a three-month break clause. This makes it a big investment that needs careful thought.

Regie AI

RegieOne from Regie AI has changed the AI SDR space. It stands as the first AI-native sales engagement platform built to alter how sellers work. My testing showed this platform differs from other AI sales agent solutions by blending traditional prospecting methods with advanced AI capabilities.

Key Features of Regie AI

RegieOne unites essential prospecting tools on a single platform:

• All-in-One Prospecting: Combines sales engagement, parallel dialing, enrichment, and intent data in a single workflow where human reps and AI Agents cooperate

• AI Dialer Technology: Calls up to 9 lines at once, connects sellers to live conversations, and leaves custom voicemails in the rep's voice

• Intent Detection: Monitors over 100 built-in signals from Google, LinkedIn, company news, and CRM records

• Data Enrichment: Gives quick access to 220+ million contacts with verified mobile numbers

• Task Orchestration: AI Agents handle research, writing, and lead prioritization while reps build relationships

RegieOne removes the usual trade-off between reach and relevance. The platform keeps every conversation contextual instead of just increasing call volume, which leads to 5x more connections.

Pros and Cons of Regie AI

Pros:

• Easy-to-use interface

• Substantially cuts down outreach time

• Better engagement rates through personalization

• Unites multiple tools into one platform, cutting overhead costs

• Chrome extension streamlines social selling tasks

Cons:

• Content sometimes sounds robotic and too salesy

• Doesn't cover all sales functions beyond outreach

• Users report occasional technical issues

• Some challenges with existing tool integration like Outreach

• Online data availability limits effectiveness

B2B sellers don't deal very well with prospecting tasks (77%), and 66% feel overwhelmed by their helper tools. RegieOne solves this issue with an optimized interface that shows reps exactly what they need each day.

Regie AI Pricing

Regie AI has three pricing plans that fit different implementation needs:

Regie's team configures the platform based on your business goals during onboarding. They provide coaching, live enablement, and access to proven best practices from top-performing reps.

Regie AI's focus on uniting your tech stack sets it apart from other top SDR companies. It removes data silos and reduces rep workload by bringing all prospecting functions together. Teams looking to expand their outreach while keeping it personal will find Regie AI's unified approach compelling in the AI sales outreach space.

AiSDR

My rigorous testing of many AI sales platforms showed that AiSDR stands out as a complete sales autopilot that runs itself. This platform handles everything from lead generation to converting conversations in your authentic voice.

Key Features of AiSDR

AiSDR shines through its detailed automation capabilities:

• Complete Sales Autopilot: Runs on full auto-pilot and speaks with clients, answers questions, and handles objections without human intervention

• Intelligent Personalization: Makes use of 323+ data sources to create customized messages that achieve a 68% open rate

• Multi-Channel Engagement: Connects through emails, LinkedIn messages, and text messages for detailed outreach

• AI-Powered Responses: Responds to prospect messages within 5-10 minutes and keeps interest at its peak

• Intent Signal Detection: Spots website visitors, funding rounds, job openings, and technology usage to target prospects at the right time

AiSDR creates outreach from scratch after you fill out a short questionnaire about your business and target audience. The platform then builds a persona that acts as the "secret sauce" to generate messages that sound authentically human.

Pros and Cons of AiSDR

Pros:

• Campaigns go live fast in just 1-3 days

• AI responds to messages within 10 minutes

• Access to unlimited leads from a 700M+ contact database

• Month-to-month subscription without contracts

• Results showed 15% more revenue in the first month for 150+ companies

Cons:

• No Salesforce integration until 2025 limits CRM connections

• AI-generated content needs occasional adjustments due to inconsistencies

• Starting price is higher than simple automation tools

• Base price typically gets you about 3 meetings monthly

• Lead filtering options need more customization choices

User feedback verifies these strengths. Clients say "AiSDR takes a lot of the time out of doing outbound sales" and feels like "training a new SDR".

AiSDR Pricing

Each 10 extra emails cost USD 7.50. The platform alerts users both in-app and via email when they approach volume limits to prevent surprise charges.

Unlike other platforms that require annual commitments, AiSDR gives you flexibility with its month-to-month subscription model.

Clay

Clay stands out among AI SDR companies as a sophisticated data enrichment platform that brings together over 75 data enrichment tools in a unified marketplace. My evaluation shows we focused on automating prospecting processes while delivering customized outreach.

Key Features of Clay

Clay's integrated approach to data management makes it unique:

• Waterfall Enrichment: Pulls information from multiple platforms in a specific order you set. You won't need multiple data provider subscriptions

• AI Formula Generator: Works like ChatGPT for sales automation and generates custom code from simple written instructions

• Claygent: An AI research agent that scrapes publicly available web data and finds specific information about prospects

• Extensive Integrations: Works with Salesforce, HubSpot, Outreach, Snowflake, Apollo.io and many more tools

• Intent Detection: Tracks up-to-the-minute intent data including job changes, promotions, and new hires

Clay's spreadsheet-like interface lets you build complex, automated sequences for data enrichment and outreach.

Pros and Cons of Clay

Pros:

• Accessible interface with minimalist design

• Rich data coverage through 75+ enrichment tools

• AI-powered customized capabilities for outreach

• Flexible credit system that rolls over

• Users love it (4.9/5 on G2 from 150 reviews)

Cons:

• Features are sort of hard to get one's arms around and take several weeks to learn

• Credits disappear faster with AI actions and bulk enrichments

• Limited outreach templates need extra time to customize

• Integration problems pop up especially when you have popular CRM platforms

• You need simple API integration knowledge

Clay Pricing

Clay uses a credit-based pricing structure with five distinct tiers:

Each credit links to specific data enrichment actions: simple contact verification (1 credit), company information lookup (2 credits), and full profile enrichment (5-10 credits).

Apollo.io

Apollo.io stands out as a complete all-in-one solution among AI SDR companies. The platform houses an extensive B2B database with details of 210+ million contacts and 35+ million companies. The system merges multiple sales functions to optimize prospecting and outreach.

Key Features of Apollo.io

Apollo.io serves as a unified command center with these notable features:

• Pipeline Builder: Tools that build pipeline through better data, smarter AI, and optimized automation

• Call Assistant: Records meetings, creates transcripts, gives AI explanations, and automates follow-up emails

• Data Enrichment: Updates CRM data with 30+ data points per prospect

• AI Personalization: One-click customized emails for contact lists

• Multi-Channel Engagement: Smart sequences that reach out through email, phone, and task steps

The AI research assistant helps uncover prospect pain points and adds new fields for precise filtering. The platform uses waterfall enrichment to verify contact details automatically through multiple data providers.

Pros and Cons of Apollo.io

Pros:

• Reliable database with verified contact details

• Accessible interface for beginners

• Intent data detection for focused outreach

• Works well for teams of all sizes

Cons:

• Some data accuracy issues occur

• Credit-based system restricts viewing and exporting data

• Lacks CRM infrastructure for detailed sales tracking

• Simple plans come with limited free emails

Apollo.io Pricing

Apollo's pricing structure includes annual discounts:

Organizations looking to replace multiple point solutions will find Apollo affordable compared to ZoomInfo, Outreach, Salesloft, and similar platforms.

Conclusion

AI SDR solutions can substantially change your B2B sales process. We tested seven platforms and saw how the best ones automate prospecting tasks. These tools create customized outreach that connects with prospects naturally. Teams that use them report better results - shorter qualification cycles, more responses, and more deals closed.

Persana's AI SDR technology outperforms others with its data foundation from 75+ providers. Their PersanaVector™ technology scores 76% better on relevance. Teams save three weeks each month on manual work and get 95% more qualified leads.

Your business needs and budget will help you pick the right AI SDR platform. AiSDR Inc handles messages on many channels well. Artisan gives you great database access. Regie AI combines tech tools efficiently. AiSDR runs smoothly on autopilot. Clay does data enrichment best, while Apollo.io gives budget-friendly access to lots of contacts.