10 Best AI Chatbots for Marketing in 2025 [Reviewed]

In 2025, the best marketing teams aren’t just using AI chatbots. Instead, they’re building entire campaigns around them.

From qualifying leads to booking demos to answering product questions 24/7, today’s bots do way more than just chat.

But here’s the catch: not all AI chatbots are built for marketing.

Some are clunky. Others aren’t customizable. And too many leave you guessing what impact they’re actually driving.

That’s why I put together this guide to set you on the right track.

I reviewed the 10 best AI chatbots for marketing teams in 2025, shortlisting the tools that actually move the needle on pipeline, personalization, and performance.

Whether you’re B2B, B2C, or something in between, there’s a chatbot here that can work for your business.

TL;DR:

Warmly offers the best AI chatbot for marketing with real-time, signal-based personalization, branded AI conversations trained on your messaging, frictionless human handoff, and full-funnel automation that turns website traffic into pipeline - not just replies.
Enterprise-grade tools like Drift, Conversica, Haptik, and Gupshup are ideal for larger teams needing omnichannel outreach, ABM playbooks, or high-volume lead qualification across email, SMS, voice, and chat.
Meanwhile, tools like ChatGPT (API), Tars, Manychat, Social Intents, and ChatSonic are great for teams who want custom-built flows, social engagement automation, Slack-based live chat, or a versatile AI assistant for internal marketing tasks.

Let’s break down what they do, what makes them different, and how to choose the right one for your team.

Factors to consider when choosing an AI chatbot for marketing

Not all chatbots are created equal, especially when it comes to driving real marketing outcomes.

Here are a few things to look for before adding an AI chatbot to your stack.

1. Marketing-specific capabilities

Generic chatbots won’t cut it.

Look for tools that offer lead capture, segmentation, A/B testing, and campaign integrations, not just canned responses.

The right AI chatbot should feel like a genuine extension of your marketing team, not just a preprogrammed machine.

2. Integration with your stack

The best chatbot is the one that plays nice with your existing tools.

Make sure it connects easily to your CRM, ad platforms, analytics, and marketing automation tools, as a disconnected bot creates more friction than value.

3. Customization and personalization

Your brand isn’t one-size-fits-all, and your bot shouldn’t be either.

Choose a chatbot that lets you customize tone, flows, and targeting based on audience segments and your brand’s unique position.

Remember - personalization at scale is what turns conversations into conversions.

4. Performance tracking

If you can’t measure it, you can’t improve it.

Prioritize chatbots with clear analytics, conversion tracking, and insights that tie conversations to pipeline.

5. AI quality and learning

Smarter bots deliver better experiences.

Go for a chatbot with natural language understanding (NLU), contextual memory, and continuous learning capabilities.

A good bot gets better over time and helps your team do the same.

What are the 10 best AI chatbots for marketing in 2025?

Here are the 10 best AI chatbots for marketing that I shortlisted out of the 30+ tools I evaluated:

Tool	Use Case	Pricing
Warmly	Turning anonymous website traffic into booked meetings using signal-based AI chat.	Free forever plan; paid plans from $599/mo (Data Only) or $19,000/year (Business).
ChatGPT (API)	Powering fully custom chatbot experiences with GPT‑4/4o for intelligent, human-like conversations.	Pay-as-you-go via OpenAI API. GPT‑4o starts at $2.50/million input tokens and $10 output.
Conversica	Automating lead follow-up via email, SMS, and chat to deliver sales-ready leads.	Custom pricing. No free trial; book a demo for details.
Gupshup	Running multi-channel marketing bots across WhatsApp, SMS, voice, and web.	Custom pricing. Contact sales for a quote.
ChatSonic	AI-powered assistant for research, reporting, and content, not lead-focused chat.	Plans start at $20/mo (Basic) to $1,499+/mo (Enterprise), part of the Writesonic platform.
Haptik	Personalized, omnichannel bots for ecommerce, travel, and service teams.	Custom pricing. Requires contacting sales.
ManyChat	Automating social media engagement and lead capture on Messenger, IG, TikTok.	Free for 1,000 contacts. Paid from $15/mo (Pro) to custom pricing (Elite).
Social Intents	AI-powered live chat integrated with Slack and Teams for fast team responses.	Starts at $49/mo (Starter). Tiers go up to $299/mo (Agency). 14-day trial included.
Drift	Converting high-intent traffic with Salesloft-integrated chat and ABM playbooks.	Pricing not public. Sold separately via Salesloft.
Tars	Creating chatbot-powered landing pages to replace forms and boost conversions.	Free tier (50 chats/mo). Paid from $499/mo (Premium); live chat add-on is $600/yr/seat.

1. Warmly

Best for: Turning anonymous website traffic into booked meetings with intelligent, on-brand conversations powered by real-time buying signals.

Who is it for: B2B marketing and revenue teams that need to qualify and engage high-intent prospects automatically without increasing headcount and missing opportunities.

Warmly is a signal-based AI-powered marketing platform that helps B2B teams identify, prioritize, and convert their highest-intent leads using real-time person-level data and agentic AI.

Its intelligent AI chat is one of many tools built to engage prospects the moment they show interest by booking meetings, answering questions, and driving pipeline automatically.

Let’s look at some of the features that make Warmly - and its AI Chatbot - the perfect choice for GTM teams of all shapes and sizes.

Feature #1: Branded AI chat

Most chatbots feel like you’re talking to a robot that doesn’t get your business - or your buyer.

Warmly’s AI Chat is different for several reasons.

FIrstly, it’s trained on the same messaging, positioning, and product knowledge you use to onboard your sales team, so every response sounds like it came from someone who actually works at your company.

And secondly, Warmly’s AI chat adapts to who’s on your site and why they’re there, so it can do more than just spew out generic, machine-sounding answers.

It leverages real-time Warm Signals - like job titles, company fit, referral source, visit history, and funnel stage - to tailor every interaction with surprising precision:

A returning prospect from a closed-lost deal? The chat can recognize them instantly, welcome them back, and offer a second shot with a fresh CTA.
A decision-maker lingering on your pricing page? It can lead with urgency, surfacing a compelling value prop or offering a time-sensitive demo.
Even casual visitors reading a blog can be routed to the right content or invited into a soft-touch conversation, keeping them warm without being pushy.

Every response is contextual, dynamic, and goal-driven, designed to move leads forward based on what they care about right now.

This way, you get more than just smarter chat. Warmly’s chatbot is your brand, your brain, and your best SDR instincts, running 24/7.

It turns static landing pages into live sales conversations, helping you engage, qualify, and convert leads while you sleep.

Feature #2: Warm Chat

Some moments are too important to leave to automation.

That’s where Warmly’s Warm Chat steps in, bridging the gap between intelligent AI and human connection.

When a high-intent lead is actively engaging with your site, Warmly instantly notifies your team and invites you to jump into the conversation in real time.

Moreover, you’re not blindly guessing who to talk to, as Warmly has already done the signal detection for you.

You’ll know exactly who the lead is, what company they’re with, how they found you, what pages they’ve viewed, and what signals they’ve triggered - whether it’s a return visit, time on page, or prior engagement history.

No more chasing anonymous traffic or cold live chats that go nowhere, as every alert is tied to a real, high-fit person showing real intent.

And when the timing’s right, you can instantly escalate from text chat to a live video call - no scheduling, no friction, just one click.

It’s a seamless, human moment in the middle of a digital journey, and it often makes the difference between a bounced visitor and a booked opportunity.

It’s the ultimate combo of proactive AI and human touch, so you’re always ready when your best leads are.

Feature #3: Signal-aware attribution

Attribution is one of the most problematic parts of B2B marketing, and Warmly fixes it.

While most marketing tools give you siloed views where every channel takes full credit, Warmly pulls everything into one unified model.

It tracks how every lead actually moved through your funnel across ads, SEO, outbound, events, chat, and more, and maps that journey with time context and real revenue impact.

You’ll see:

The actual pipeline is driven.
How was it driven?
Which exact touchpoints played a role?

As a result, there’ll be no more inflated dashboards or finger-pointing between teams.

And it doesn’t just show what converted, it also shows why.

Warmly’s signal-based attribution accounts for the nuances of real buyer behavior, like repeat visits, content engagement, and chat interactions, so you get a complete, credible picture of what’s working.

Now sales, marketing, and finance can all align on the same story with clear visibility into performance, clean data for decision-making, and insights you can confidently report to the board.

Feature #4: Agentic AI suite

Most AI tools automate one slice of your funnel, but Warmly goes further.

Its agentic AI suite includes four powerful assistants that work together to help you build pipeline across every stage, from targeting to outreach to follow-up.

Each one is built to scale human-like marketing and sales motions, without needing to hire more humans:

AI SDR keeps leads warm with automated follow-up across email and LinkedIn. It personalizes every touchpoint based on intent, timing, and behavior, so no lead slips through the cracks.
AI Marketing Ops takes care of audience building, segmentation, and campaign routing. It syncs your warmest leads to your CRM and ad tools, so the right messages hit the right people automatically.
AI Demand Gen watches for real-time buying signals and uses them to trigger hyper-targeted ads, on-site offers, and follow-up workflows, so you never miss a chance to convert.
AI Copilot is your rep’s research assistant, surfacing the best prospects, why they’re ready, and exactly what to say to start the conversation.

Together, they act like an extension of your team, handling the manual, the repetitive, and the invisible work that slows you down.

The result? More reach, faster conversions, and a marketing engine that runs 24/7.

Pricing

Warmly offers a free forever plan that allows you to reveal up to 500 monthly visitors, set up ICP filters to quickly identify high-quality leads, and automate basic lead routing.

If you need more, there are three tiers to choose from:

Data Only: Starts at $599/mo when billed monthly or $5,000 when billed annually, lets you identify up to 5,000 monthly visitors, first-party intent signals, alerts, and access to Warmly’s B2B prospecting database.
Business: Starts at $19,000/year for up to 10,000 visitors or $45,000/year for up to 75,000 visitors, everything in Data Only, plus third and second-party signals, sales orchestration, AI Chat, and lead routing.
Enterprise: Custom pricing, custom number of visitors, everything in Business, plus custom signals and warm calling.

Pros & Cons

✅ Truly intelligent AI chat that feels on-brand and context-aware, as conversations are driven by real-time signals and trained on your own messaging.

✅ Combines AI automation with human connection by letting you easily loop in reps via Warm Chat or escalate to video when the moment is right.

✅ Agentic AI that works across the entire funnel, including SDR automation, audience building, ad targeting, and personalized outreach.

✅ Unified, signal-based attribution let you see exactly what influenced each deal with clean, cross-channel insights that align sales, marketing, and finance.

✅ Enterprise-ready intent data and visitor de-anonymization allow you to identify and prioritize high-fit prospects with real-time person-level signals.

✅ Free forever plan and flexible pricing tiers so you can get started easily, and then scale with features that grow as your GTM motion matures.

❌ Its most advanced features are available only on the paid plans.

2. ChatGPT (via API)

Best for: Powering custom, intelligent chatbots that deliver human-like conversations on websites, landing pages, and in-product experiences—especially when pre-built chatbot platforms are too limiting.

Who is it for: Developers, marketing ops, or product teams at B2B or B2C organizations who need a customizable, intelligent assistant and are prepared to integrate and manage it themselves.

ChatGPT isn’t a standalone chatbot.

However, it is one of the smartest conversational engines you can embed into your own widget, app, or website.

With GPT-4/4o, you get natural language understanding, context-aware replies, and the flexibility to design flows that perfectly align with your brand and goals.