ChatGPT, Claude, Gemini, Copilot, Mistral and local models compared: what each free AI chatbot includes in 2026, its limits and what it does with your chats.
Updated October 6, 2026
You want a good AI chatbot without paying $20 a month. In 2026 that is easier than ever: ChatGPT now gives free users unlimited everyday text chats, and Claude, Gemini, Copilot, Grok, Meta AI and Mistral all have real free plans. The catches have moved. They are now ads, limits on files and images, and what happens to your conversations.
This guide compares the 12 best free options as of October 2026, each checked against its official pricing or help page, and tells you plainly where each one stops.
| Model | GPT-5.6 Luna, plus a Think button for harder questions |
| Limits | Unlimited everyday text chats, subject to abuse safeguards; uploads, images, voice and deep research are limited |
| Included | Web search, voice, projects, limited memory, 500 MB library |
| Catch | Ads may appear on Free and Go in the US; conversations can train models unless you turn it off |
| Next step up | Go at $8/mo, Plus at $20/mo |
Verdict: the best free chatbot for most people. Unlimited text chats changed the game in August 2026; you only feel the limits on files, images and long context.
| Models | Sonnet and Haiku; Opus is paid only |
| Limits | No fixed number; usage depends on conversation length, features and model |
| Included | Web search, file creation, code execution, memory, connected apps, Artifacts, voice, up to 5 projects |
| Catch | Long conversations hit the limit sooner; no Research mode |
| Next step up | Pro at $20/mo, or $17/mo billed yearly |
Verdict: the best free option for writing and long documents. The free plan is unusually complete, connectors included.
| Models | Gemini 3.6 Flash, with varying access to 3.1 Pro |
| Limits | Refreshes every 5 hours up to a weekly limit; 32K-token context |
| Included | Image generation and editing, Deep Research, Gemini Live, Canvas, Gems |
| Catch | Deep Research may be unavailable at peak times; activity can train Google's models while Keep Activity is on |
| Next step up | Google AI Plus at $4.99/mo, AI Pro at $19.99/mo |
Verdict: the best free choice if you live in Gmail, Docs and Drive, and the most generous free plan for multimedia.
| Model | Smart mode powered by GPT-5, plus Think Deeper |
| Limits | "Subject to available capacity and limits"; no published number |
| Included | Web answers, image creation, Copilot in Edge; signing in adds history, voice and longer chats |
| Catch | Paying Microsoft 365 users get priority access when demand is high |
Verdict: a solid backup when another chatbot hits its limit, especially on Windows.
| Best at | Answers from live web search, with citations |
| Limits | Unlimited basic searches, a small daily number of Pro Searches |
| Catch | The stronger models and deeper research are paid |
| Next step up | Pro at $20/mo |
Verdict: the best free tool for research and fact-checking, because every answer shows its sources.
| Limits | Free "within generous limits" |
| Included | Real-time web and X search, voice mode, connectors |
| Catch | The latest model and higher limits are on SuperGrok |
| Next step up | SuperGrok at $30/mo |
Verdict: the best free option for what is happening right now on X.
| Model | Muse Spark in the Meta AI app and on meta.ai |
| Where | The Meta AI app, meta.ai, and inside WhatsApp, Instagram, Messenger and Facebook |
| Catch | New features reach the US first |
Verdict: the most convenient free chatbot if you already spend your day in WhatsApp.
| Models | Mistral's own models |
| Limits | Limited messages and web searches; Pro gives up to 6x the messages |
| Included | Image generation, 100+ connectors, up to 5 scheduled tasks, $10/mo in API credits |
| Catch | Training is on unless you opt out |
| Next step up | Pro at $14.99/mo before tax |
Verdict: the best European option, and a free plan that now includes scheduled tasks.
| Model | DeepSeek V4, with Expert and Instant modes and a 1M-token context |
| Catch | Personal data is stored in the People's Republic of China and used for training unless you opt out; Italy's regulator blocked the app in 2025 |
Verdict: strong for maths and code, but keep anything sensitive out of it.
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| Popular models | Qwen 3.6, Gemma 4, gpt-oss 20B |
| Requirements | 16 GB of RAM or more for a good experience; an Apple Silicon Mac or a recent GPU helps |
| Cost | Free |
| Catch | Smaller than the frontier models; the largest open models still need a server |
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| Models | Variants ending in :free, such as Gemma 4 and Nemotron |
| Limits | 20 requests a minute; 50 a day, or 1,000 a day once you have bought at least 10 credits |
| API | OpenAI-compatible |
The simplest way to test many models through one API key without paying per call.
| Option | Free model | Main limit | Trains on chats |
|---|---|---|---|
| ChatGPT Free | GPT-5.6 Luna | Files, images, voice | Yes, opt-out |
| Claude Free | Sonnet, Haiku | Usage-based | Your choice |
| Gemini Free | 3.6 Flash | 5-hour and weekly | Yes, opt-out |
| Copilot Free | GPT-5 | Capacity | See settings |
| Perplexity Free | Search models | Pro Searches | See settings |
| Grok Free | Grok | Generous limits | See settings |
| Mistral Vibe | Mistral | Messages, searches | Yes, opt-out |
| DeepSeek | V4 | None published | Yes, opt-out |
| Ollama / LM Studio | Open models | Your hardware | No |
If the conversation contains client data, contracts or anything you would not paste into a public forum, use a local model, opt out, or pay for a plan with stronger data terms.
For casual use: ChatGPT Free, with Claude or Gemini as a second opinion when you want a different style or more room for files.
For research: Perplexity for sourced answers, Gemini when the material lives in Google Drive.
For privacy: Ollama or LM Studio with Gemma 4 or Qwen 3.6. Nothing leaves your machine.
For developers: OpenRouter's free variants to prototype, then a paid key when it matters.
Every option above has the same shape: you type, it answers, and then you do the work. You copy the draft into Gmail, paste the numbers into the spreadsheet, chase the invoice, update the CRM. The limit that costs you most is not the message cap. It is that a chatbot cannot act.
That is what an AI employee is for. Instead of a reply, you get the job done in your own tools, and a report when it is finished. With Molted, the brain is the ChatGPT or Claude plan you already pay for, so you are not buying another model or another stack of credits.
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For most people, ChatGPT Free: unlimited everyday text chats on GPT-5.6 Luna, with web search and voice. Claude Free is better for long documents and writing, and Gemini Free is the most generous for images and research.
Not in the cloud. ChatGPT Free is unlimited for everyday text but limits files, images and voice. The only truly unlimited option is a model you run yourself with Ollama or LM Studio, limited only by your hardware.
Yes. The free plan includes unlimited everyday text chats, web search, voice and projects. Ads may appear for Free and Go users in the United States, and paid plans start with Go at $8 a month.
A local model with Ollama or LM Studio, because nothing leaves your computer. Among cloud chatbots, check the training setting first: ChatGPT, Gemini and Mistral train on free chats by default unless you opt out.
Only a little. Some free plans can search the web or connect a few apps, but you still carry out the work. An AI employee such as Molted does the task itself, in your tools, from $14 a month on the AI plan you already have.
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The best AI agent for small business finishes the job on a flat price. Molted, Grok Bot, Viktor, Manus and Meta Muse compared on cost, computer and exit.
Meta Muse is US-only and runs on Meta's servers. The best Muse alternatives for real work and privacy: Molted, OpenClaw, ChatGPT agent, Manus and Lindy.
The best Lindy alternatives if credits and workflow building wear you out: Sintra, Marcus, Taskade, Gumloop and a flat-priced always-on OpenClaw agent.
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