Free Alternatives

Best free Chatbase alternatives in 2026

15 no-cost AI tools in the Chatbots & Assistants space — ranked by features, reliability and real user reviews.

C
Freemium

Claude 3.5 Sonnet

Industry-leading reasoning and creative writing capabilities.

4.9
Chatbots & AssistantsVisit
V
Freemium

Voiceflow

Build AI chat and voice agents collaboratively.

4.9
Chatbots & AssistantsVisit
C
Freemium

ChatGPT

The versatile gold standard for multimodal AI interaction.

4.8
Chatbots & AssistantsVisit
D
Free

DeepSeek

Open-source reasoning chatbot with strong math.

4.8
Chatbots & AssistantsVisit
M
Freemium

Merlin

ChatGPT sidebar for every site and YouTube video.

4.8
Chatbots & AssistantsVisit
Q
Free

Qwen Chat

Alibaba's multilingual frontier chatbot.

4.7
Chatbots & AssistantsVisit
S
Freemium

Sider

ChatGPT sidebar with image, PDF and translation.

4.7
Chatbots & AssistantsVisit
C
Freemium

ChatPDF

Chat with any PDF document.

4.6
Chatbots & AssistantsVisit
G
Freemium

Google Gemini

Google's multimodal AI deeply integrated with Workspace.

4.6
Chatbots & AssistantsVisit
P
Free

Pi

Personal AI chatbot from Inflection focused on empathy.

4.5
Chatbots & AssistantsVisit
M
Freemium

Monica

All-in-one AI assistant Chrome extension.

4.5
Chatbots & AssistantsVisit
B
Freemium

Botpress

Open-source visual builder for GPT-powered bots.

4.5
Chatbots & AssistantsVisit
P
Freemium

Poe

Chat with multiple AI models in one app.

4.4
Chatbots & AssistantsVisit
C
Freemium

Character.AI

Chat with AI characters for entertainment and roleplay.

4.3
Chatbots & AssistantsVisit
P
Free

PDFGear

Free AI PDF reader and editor.

4.2
Chatbots & AssistantsVisit

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