The best free AI chatbots in late 2026 are Gemini, ChatGPT, Claude and DeepSeek. Gemini’s free plan includes the most features (image generation, Deep Research and live voice with camera). ChatGPT’s free plan is the most familiar, but limits uploads to three a day and may show ads. Claude’s free plan is the best for documents and writing. DeepSeek gives full access to its strong models at no cost, with the caveat that data is stored in China.
Every free plan below has usage limits, and paid plans get the larger models. Here is exactly what each gives you for free, checked on the vendors’ pages on 21 October 2026.
What each free plan includes
| Chatbot | Free model | File uploads | Image generation | Voice | Web search | Ads | Notable limits |
|---|---|---|---|---|---|---|---|
| ChatGPT | GPT-6 Luna | 3 per day | Yes, limited | Yes, limited | Yes | Being tested in the US and UK | Smaller model than paid plans |
| Gemini | Flash-Lite | Yes, up to 10 per prompt | Yes | Gemini Live, with camera on mobile | Yes, plus Deep Research | No | Smaller context window than paid |
| Claude | Default Claude model | Yes, 20 per chat | No | Yes | Yes | No | Usage limit resets every few hours |
| DeepSeek | V4.1-Flash and V4-Pro | Yes | No | Not documented | Yes | No | Data stored in China |
| Microsoft Copilot | Not disclosed | Yes | Yes | Yes | Yes | Not documented here | “Subject to available capacity and limits” |
| Perplexity | Chosen by Perplexity | Basic, limited | No on free | Not compared | Every answer | No | Few Pro Searches |
| Grok | Grok models | Yes | Limited | Yes | Yes | No | Limited chat requests |
| Mistral Vibe | Mistral models | Limited | Basic | Not compared | Limited | No | 100+ connectors on free |
| Meta AI | Meta’s Muse models | Yes | Yes | Yes | Yes | No | Inside Meta apps |
Sources: ChatGPT pricing, ChatGPT uploads, OpenAI on ads, ChatGPT release notes, Google AI plans, Gemini uploads, Claude pricing, Claude uploads, DeepSeek, Microsoft Copilot, Perplexity plans, xAI pricing, Mistral pricing, Meta One.
Cells marked “Not documented” mean the vendor does not publish that detail on its official pages as of 21 October 2026.
Gemini: the most features for free
Google’s free plan is the broadest. With just a Google account you get chat with the Flash-Lite model, image generation and editing, Deep Research (multi-minute web research with a report), Gemini Live voice with camera and screen sharing on Android, Gems for saved instructions, Canvas for drafts and 15 GB of storage (Google).
The catch is the model: free users get Flash-Lite, while Gemini 4 Argon is reserved for Google AI Pro and Ultra. For everyday questions this is fine; for complex reasoning or coding you will notice the difference. See Gemini vs ChatGPT.
ChatGPT: the familiar free option
ChatGPT’s free plan runs on GPT-6 Luna since 7 October 2026 and includes unlimited text chats (within abuse guardrails), plus limited uploads, image creation, voice, deep research and memory (OpenAI). Free users can upload three files a day, which is the limit people hit first.
OpenAI started testing ads on Free and Go in the US in January 2026 and rolled them out in the UK in June 2026. According to OpenAI, ads appear at the bottom of answers, are labeled, are not shown to under-18s or next to health, mental health or political topics, and do not influence the answers (OpenAI). If you want ChatGPT without ads, the cheapest option is Plus at $20; see ChatGPT Plus price.
Claude: the best free plan for documents and writing
Claude’s free plan includes chat on web, desktop and mobile, web search, file creation and code execution, memory, connections to apps such as Google Drive, and Artifacts (Anthropic). You can upload up to 20 files per chat, and Claude reads charts and images in PDFs of up to 100 pages, which makes it the strongest free choice for working with reports and papers.
Claude doesn’t generate images, and free usage runs out faster than on other services during long sessions. The limit resets every few hours. Our guide on how to use Claude has tips for making it last.
DeepSeek: strong models, no subscription
DeepSeek’s website and app are free and use the same V4 models that power its API, including V4.1-Flash released on 17 October 2026 (DeepSeek). For text, math and coding questions, it competes with paid models at no cost.
The trade-off is data: DeepSeek’s privacy policy says it stores user data on servers in China. Avoid entering personal, client or company information. See DeepSeek vs ChatGPT.
Microsoft Copilot: free, with Office if you pay
Microsoft offers a free version of Copilot “subject to available capacity and limits”, with chat, image creation and voice (Microsoft). Microsoft doesn’t say which models power it. Copilot becomes more useful with a Microsoft 365 subscription, which puts it inside Word, Excel, PowerPoint and Outlook.
Perplexity: free search with sources
Perplexity’s free plan includes nearly unlimited basic searches with citations and a small number of Pro Searches (Perplexity). Perplexity chooses the model on free. It is the best free choice if you mainly want sourced answers to factual questions. See Perplexity vs ChatGPT.
Grok, Mistral Vibe and Meta AI
- Grok’s free tier offers limited chat and agent requests on grok.com, in its apps and inside X.
- Mistral Vibe (formerly Le Chat) has a free plan with limited messages and web searches, basic image generation and over 100 connectors.
- Meta AI is free for everyday use in WhatsApp, Instagram, Messenger and the Meta AI app. Meta’s paid Meta One plans, launched in September 2026, add more image and video generation.
Free open-source options
If you have a computer with 16 GB of memory, you can also run a free model locally with no limits and no data leaving your machine. OpenAI’s gpt-oss-20b and Qwen3 models run in Ollama or LM Studio. See open-source ChatGPT alternatives.
Which free AI chatbot to choose
- Best all-round free plan: Gemini.
- Best for documents and writing: Claude.
- Best for free access to a strong model: DeepSeek, if data location isn’t a concern.
- Best for research with sources: Perplexity.
- Best if you already use Office: Copilot.
- Best free option with no ads and no limits: an open-weight model on your own computer.
Using two free plans side by side often covers everything a single paid plan would. When one runs out, switch to the other.
FAQ
What is the best free AI chatbot?
Gemini’s free plan includes the most features: image generation, Deep Research and live voice with camera. Claude is the best free choice for documents and writing, and DeepSeek gives free access to its strongest models.
Is ChatGPT still free?
Yes. ChatGPT’s free plan uses GPT-6 Luna with unlimited text chats, limited uploads (three a day), images and voice. OpenAI is testing ads on the free plan in some countries.
Which free AI chatbot has no limits?
None of the hosted chatbots is fully unlimited; all have usage caps. An open-weight model running on your own computer has no usage limits beyond your hardware.
Is there a free AI chatbot app for Android?
Yes. Gemini comes preinstalled on many Android phones, and ChatGPT, Claude, DeepSeek, Copilot, Perplexity and Grok all have free Android apps.
Conclusion
Free AI chatbots are good enough for most everyday tasks in 2026. Start with Gemini or ChatGPT for general use, add Claude for documents, and use Perplexity for sourced research. When you hit limits often, compare paid plans in our guide to ChatGPT alternatives.