Free AI chatbots

Editorial picks for "best free ai chatbots".

21 tools

Doubao

Agents · Doubao Seed 2.1 Pro (in-house ByteDance), with Seed 2.0 / 1.5 on free tier

ByteDance's flagship AI assistant with a real agent mode and one of the largest user bases outside ChatGPT

Freemium· Free tier (chat, search, writing, image gen, voice/video chats) / Doubao Pro RMB 68/mo (~$9.40) / RMB 200/mo (~$27.80) / RMB 500/mo (~$69.40). API: 6 yuan per 1M input tokens, 30 yuan per 1M output tokens for Doubao 2.1 Pro (cache-hit as low as 1.2 yuan).Long-document PDF and Office file summarizationAutonomous browser and local-computer agent tasks

Writer

Writing · Palmyra (in-house)

8.2

Enterprise generative AI platform built around in-house Palmyra LLMs for regulated, brand-consistent content.

Enterprise· Starter: Free · ENTERPRISE: Contact salesenterprise-writingbrand-voice

LocalAI

Writing · Multi-model (llama.cpp, diffusers, whisper, etc.)

8.1

Self-hosted OpenAI-compatible API for running LLMs, image, and audio models on your own hardware.

Free· Free and open source (MIT)local-llm-inferenceopenai-api-replacement

Epsilla

RAG · Multi-model

7.3

Agent-as-a-Service platform with managed RAG and a no-code builder for vertical enterprise AI.

Freemium· Free Tier: $0/month · Starter Tier: $29/month · Professional Tier: $249/month · AI Concierge: $2,499/month · Enterprise Tier: Custom/monthenterprise-ragai-agents

Guizang PPT Skill

Agents · Multi-model (Claude, Codex, GPT-Image)

7.3

Claude Code / Codex agent skill that generates single-file HTML slide decks in editorial-magazine or Swiss-design styles.

Free· Free, AGPL-3.0; requires a host AI agent (Claude Code, Codex, etc.)html-slide-deckspresentation-design

Coze Studio

Agents · Multi-model

7.2

Self-hostable visual AI agent development platform from ByteDance with workflows, RAG, and plugin tooling.

Free· Free, Apache 2.0; self-hostedai-agentsworkflow-automation

FinChat (Fiscal.ai)

RAG · Multi-model (proprietary finance-tuned copilot)

7.2

AI copilot for equity research that reads filings, transcripts, and KPI tables across 100,000+ public companies.

Freemium· Free; Pro $39/mo (annual) or $49/mo; Max and Enterprise API tiers aboveequity-researchearnings-call-analysis

SiteGPT

RAG · GPT-4 (per testimonials; not publicly specified)

7.1

Custom GPT-powered support chatbots trained on your website content and docs.

Freemium· Starter: $39 · Growth: $79 · Scale: $259 · Enterprise: Customcustomer-supportwebsite-chatbot

AI2sql

Coding

7.0

Natural-language-to-SQL generator with desktop app, MCP server, and governed read-only access.

Freemium· Free tier (100 queries); Start $5/mo, Pro $11/mo, Team $23/mo; 7-day trialtext-to-sqlquery-optimization

Phind

Coding · Phind-70B / Phind-405B plus GPT and Claude models on Pro

7.0

AI answer engine for developers that cites sources and writes working code.

Freemium· Basic: $10 · Pro: $20 · Enterprise: Contact salescode-searchdebugging-help

Singlebase Cloud

RAG · Multi-model

7.0

AI-native Firebase alternative bundling document DB, vector DB, auth, storage, and built-in AI services.

Freemium· Free tier available; paid plans scale with usagevector-searchrag-apps

Superpower ChatGPT

Agents · GPT (via ChatGPT UI)

7.0

Chrome extension that bolts folders, prompt libraries, and bulk export onto the ChatGPT web UI.

Freemium· Basic: $10 · Pro: $20 · Enterprise: Contact saleschatgpt-organizationprompt-management

Superwise

Evaluation · Multi-model

7.0

Agentic management platform for runtime guardrails, policy enforcement, and observability across LLM agents.

Freemium· Starter: Free · Pro+: ? · Enterprise: ?llm-guardrailsai-governance

MindPal

Agents · Multi-model

6.9

No-code platform for building and orchestrating teams of AI agents that automate business workflows.

Freemium· Free tier; paid plans for higher usage and team seatsmulti-agent-workflowsbusiness-automation

ChatBar

Writing · Multi-model (ChatGPT, Claude, Gemini, Copilot, Perplexity, Pi, Poe)

6.8

Menu-bar launcher that puts ChatGPT, Claude, Gemini, Copilot, Perplexity, Pi and Poe one keystroke away.

Free· Free and open-source; paid macOS App Store build for auto-updatesmulti-model chatmenu-bar access

Cleanlab TLM

Evaluation · Multi-model (wraps any LLM)

6.8

Trustworthiness scoring layer that flags LLM hallucinations in real time.

Freemium· Free tier for evaluation; usage-based API pricing; enterprise/private deployment via saleshallucination-detectionrag-evaluation

Brave Search MCP

MCP Servers

Give any MCP client web and local search powered by the Brave Search API.

Freemium· Free: $0 USD · Team: $4 USD per user/month · Enterprise: $21 USD per user/monthGrounded web search inside Claude DesktopAgent fact-checking and citation lookup

CoreBase

Agents · Bring-your-own-key: Claude, GPT-4/4o, Gemini (plus built-in fallback models)

Governed AI-agent infrastructure that safely connects LLMs to your real data systems

Freemium· Free: $0 · Growth: $79/mo · Team: $249/mo · Enterprise: CustomGoverned text-to-SQL over production warehousesInternal Slack copilot with Salesforce and Jira actions

Sim

Agents · Multi-model: OpenAI, Anthropic, Google, DeepSeek, xAI, Cerebras, Groq, Sakana AI

Open-source AI agent workspace — build visually, conversationally, or with code

Freemium· Free: $0 · Pro: $25 · Max: $100 · Enterprise: CustomSales outreach agentsIT ticket triage and resolution

Supabase

RAG

Open-source Firebase alternative built on Postgres with a first-class pgvector AI toolkit.

Freemium· Free: $0 · Pro: $25 · Team: $599 · Enterprise: CustomRAG chatbot backendsemantic document search

Tavily

RAG · GPT-4

One secure API for real-time web access for AI agents

Freemium· Researcher: Free · Pay As You Go: $0.008 · Project: $01234567890123456789 · Enterprise: CustomRAG chatbot groundingAutonomous research agents