10 Best AI SDR Chatbot Platforms to Replace Drift (2025 Comparison)

Looking for a  alternative?
You’re not alone — with Drift’s exit from the market, many marketing leaders are seeking modern AI SDR chatbot solutions that engage visitors, qualify leads, and book meetings automatically.

In this guide, we’ve analyzed the 10 best AI and hybrid SDR chatbot providers — including  — to help you choose the right one for your business.
We compared them across pricing, AI sophistication, integrations, lead qualification quality, and ease of use, and included real G2 user ratings.

Deep Dive Reviews

Below you’ll find detailed reviews of each platform — what they do best, how they work, their pricing, integrations, and what real users say.

🏆 Worknet — Best Overall Drift Replacement

Worknet is an AI-powered in-app chat platform that proactively engages users throughout the customer journey — from trials to expansion. Unlike traditional website-only bots, Worknet lives inside your product or app, identifies user intent signals, and starts relevant conversations automatically.

Why it’s #1:

• Proactive in-app SDR: catches users at key friction points and boosts trial conversions
• Hybrid handoff: loops in the right human experts via Slack or Microsoft Teams when needed
• Action-taking AI: not just answers, but can trigger workflows (plan upgrades, support tickets, CRM updates)
• Continuous learning from every human resolution to increase automation over time

Highlights:

• AI sophistication: Uses LLMs plus contextual RAG and behavior analysis
• Integrations: Salesforce, Zendesk, HubSpot, Segment, Snowflake, Slack, Teams, and more
• G2 rating: 4.9/5 — praised for ease of use and major boosts to resolution times
• Pricing: mid-market custom (ROI-focused; pays for itself with just a few conversions)

Perfect for PLG and SaaS companies that want to convert signups, prevent churn, and enable sales conversations inside their product.

Qualified (Piper)

Qualified offers Piper, an AI SDR that engages site visitors, qualifies them, and books meetings — deeply integrated with Salesforce. It excels at ABM: showing VIP visitors a tailored experience.

• AI: hybrid of deterministic rules + GPT-powered answers
• Integrations: deep Salesforce + MA platforms
• G2 rating: 4.9/5
• Pricing: $$$, typically $3K+/month

Best for Salesforce-centric mid-market and enterprise B2B companies.

ZoomInfo Chat (Insent)

ZoomInfo Chat uses ZoomInfo’s firmographic and intent data to identify anonymous visitors and engage them in real time.

• AI: rules + NLP, data-driven personalization
• Integrations: Salesforce, HubSpot, Marketo
• G2 rating: 4.5/5
• Pricing: $$$, usually bundled with ZoomInfo SalesOS

Best for ABM teams already using ZoomInfo data.

Conversica

Conversica pioneered AI SDR assistants. It persistently follows up with leads by email/SMS/chat until they respond or book.

• AI: battle-tested NLU + dynamic templated responses
• Integrations: Salesforce, HubSpot, Marketo
• G2 rating: 4.5/5
• Pricing: $$$ enterprise

Best for companies with high lead volume needing relentless follow-up.

G2 Monty (Beta)

Monty is a GPT-4 powered SDR bot you can place on your site or even on your G2 profile, trained on your content to answer questions and qualify buyers.

• AI: GPT-4 + content fine-tuning
• Integrations: emerging (CRM + G2)
• G2 case study ROI: 70× pipeline ROI
• Pricing: $$ usage-based

Best for SaaS vendors with traffic on G2 and rich product content.

Intercom (Fin + Custom Bots)

Intercom offers Custom Bots for lead qualification plus Fin (GPT-4) for support, making it a flexible all-in-one.

• AI: rule-based bots + GPT-4 support answers
• Integrations: 250+ (Salesforce, HubSpot, Slack)
• G2 rating: 4.5/5
• Pricing: $$–$$$ + usage

Best for companies wanting unified sales + support chat.

HubSpot Chat

HubSpot offers a built-in chatbot in its CRM. It’s simple, fast, and integrated — great for small teams.

• AI: mostly rule-based (AI expanding)
• Integrations: native HubSpot ecosystem
• G2 rating: 4.4/5
• Pricing: Free–$$ (bundled in CRM)

Best for SMBs and startups already on HubSpot.

Tidio (Lyro AI)

Tidio is a popular SMB chatbot with GPT-powered Lyro for answering questions and visual builder for qualification.

• AI: GPT + rules
• Integrations: Zapier, Shopify, WordPress
• G2 rating: 4.7/5
• Pricing: Free–$

Best for small B2B/ecom teams wanting fast ROI.

Freshworks Freshchat (Freddy AI)

Freshchat blends AI bots (Freddy) with human chat across channels like WhatsApp, site, and mobile.

• AI: intents + knowledge-based answers
• Integrations: Freshworks stack + Slack + CRM
• G2 rating: 4.4/5
• Pricing: $–$$ /agent

Best for omnichannel sales+support teams.

Crisp

Crisp offers unified inbox + chatbot + co-browsing and video, with great value pricing.

• AI: assistive answer bot + automation
• Integrations: Slack, HubSpot, Salesforce
• G2 rating: 4.5/5
• Pricing: Free–$

Best for startups and SMBs needing affordable chat with rich features.

Final Thoughts

In the post-Drift world, AI SDR chatbots are essential to capture and convert demand.

If you want the most advanced, proactive replacement, choose Worknet — it uniquely combines:

• Proactive in-app engagement
• Action-taking AI
• Seamless Slack/Teams handoff
• Continuous learning from human experts

Worknet doesn’t just chat — it drives revenue by converting trials, upselling users, and preventing churn.

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