💬 Alternatives · 14 options
Best Claude alternatives
Claude ranks S-tier in Chat & research assistants. If it isn't the right fit, these are the tools that do the same job (same category) or overlap with it in one of our use-case guides, ranked by score on our public rubric. Free tiers and prices carry a verified or unverified label.
Free alternatives to Claude
| Tool | Tier | Free tier status |
|---|---|---|
| ChatGPT General AI assistant from OpenAI | S 88 | unverified Free tier; paid Plus and Pro plans |
| Gemini Google's AI assistant | A 82 | unverified Free tier; paid Google AI plans |
| Gemini Notebook (formerly NotebookLM) Research notebook grounded in your sources | A 80 | unverified Free; higher limits with Google AI plans |
| Perplexity AI answer engine with citations | A 80 | unverified Free tier; paid Pro plan |
| Grok xAI's assistant with real-time X data | A 75 | unverified Free tier; SuperGrok and X Premium plans |
| Grammarly AI writing assistant everywhere | A 72 | ✓ verified Free plan ($0); Pro $12/mo (free trial); Enterprise custom |
| Kimi Moonshot AI's assistant | B 69 | unverified Free tier; paid plans |
| Microsoft Copilot Microsoft's consumer AI assistant | B 67 | unverified Free; Microsoft 365 plans add more |
| Consensus Answers from scientific research | B 65 | unverified Free tier; Premium paid |
| Elicit AI research assistant for papers | B 65 | ✓ verified Basic free; Plus $11/user/mo billed annually; Pro $39; Scale $89 |
| Vibe by Mistral (formerly Le Chat) Mistral's AI assistant | B 65 | unverified Free tier; Pro paid |
| QuillBot Paraphrasing and writing tools | B 62 | unverified Free tier; Premium paid |
| ChatPDF Chat with PDF documents | B 57 | unverified Free tier; Plus paid |
Open-source alternatives
Closest Claude alternatives
These share at least one use-case guide with Claude.
-
- Pick it if
- You want one assistant that does almost everything.
- Skip it if
- You need strict on-prem privacy.
- Pricing
- Free tier; paid Plus and Pro plans unverified editorial summary, not yet confirmed on an official pricing page
- Platforms
- web · Mac · Win · iOS · Android
-
- Pick it if
- You live in Google Workspace.
- Skip it if
- You want minimal data sharing with Google.
- Pricing
- Free tier; paid Google AI plans unverified editorial summary, not yet confirmed on an official pricing page
- Platforms
- web · iOS · Android
-
- Pick it if
- You want to study or synthesize your own documents.
- Skip it if
- You need open-web research.
- Pricing
- Free; higher limits with Google AI plans unverified editorial summary, not yet confirmed on an official pricing page
- Platforms
- web · iOS · Android
-
- Pick it if
- You want fast, cited answers instead of ten blue links.
- Skip it if
- You need long-form creative writing.
- Pricing
- Free tier; paid Pro plan unverified editorial summary, not yet confirmed on an official pricing page
- Platforms
- web · Mac · Win · iOS · Android
-
- Pick it if
- You want polished writing everywhere you type.
- Skip it if
- You want long-form generation.
- Pricing
- Free plan ($0); Pro $12/mo (free trial); Enterprise custom ✓ verified on the official pricing page, Oct 18, 2026
- Platforms
- web · Mac · Win · iOS · Android
-
- Pick it if
- You want evidence-backed answers (great for health topics).
- Skip it if
- You need non-academic sources.
- Pricing
- Free tier; Premium paid unverified editorial summary, not yet confirmed on an official pricing page
- Platforms
- web
-
- Pick it if
- You do literature reviews or evidence summaries.
- Skip it if
- You need general web research.
- Pricing
- Basic free; Plus $11/user/mo billed annually; Pro $39; Scale $89 ✓ verified on the official pricing page, Oct 18, 2026
- Platforms
- web
-
- Pick it if
- You need quick rewording and summaries.
- Skip it if
- You want original long-form writing.
- Pricing
- Free tier; Premium paid unverified editorial summary, not yet confirmed on an official pricing page
- Platforms
- web · Chrome extension · Word add-in
-
- Pick it if
- You write fiction or game lore.
- Skip it if
- You write marketing copy.
- Pricing
- Hobby & Student $10/mo; Professional $22; Max $44; free trial ✓ verified on the official pricing page, Oct 18, 2026
- Platforms
- web
-
- Pick it if
- You want quick Q&A on a PDF.
- Skip it if
- You need batch processing.
- Pricing
- Free tier; Plus paid unverified editorial summary, not yet confirmed on an official pricing page
- Platforms
- web · API
Other tools in Chat & research assistants
Same category, different focus.
-
- Pick it if
- You want real-time takes from X and the web.
- Skip it if
- You want the most conservative, enterprise-ready assistant.
- Pricing
- Free tier; SuperGrok and X Premium plans unverified editorial summary, not yet confirmed on an official pricing page
- Platforms
- web · iOS · Android
-
- Pick it if
- You want a strong free assistant backed by open models.
- Skip it if
- Data jurisdiction is a concern for you.
- Pricing
- Free tier; paid plans unverified editorial summary, not yet confirmed on an official pricing page
- Platforms
- web · iOS · Android
-
- Pick it if
- You are on Windows and want a free built-in assistant.
- Skip it if
- You want the strongest standalone model experience.
- Pricing
- Free; Microsoft 365 plans add more unverified editorial summary, not yet confirmed on an official pricing page
- Platforms
- web · Win · Mac · iOS · Android
-
- Pick it if
- You want a fast European assistant.
- Skip it if
- You need the deepest reasoning.
- Pricing
- Free tier; Pro paid unverified editorial summary, not yet confirmed on an official pricing page
- Platforms
- web · iOS · Android
FAQ
What is the best alternative to Claude?
The closest high-scoring alternative in our ranking is ChatGPT, at 88/100 (S-tier). General AI assistant from OpenAI. Pick it if you want one assistant that does almost everything.
Is there a free alternative to Claude?
Yes. ChatGPT (unverified), Gemini (unverified), Gemini Notebook (formerly NotebookLM) (unverified), Perplexity (unverified), Grok (unverified), Grammarly (verified) and 7 more list a free tier in our pricing data. Grammarly and Elicit were confirmed on the official pricing page. Unverified entries are editorial summaries, so check the vendor's pricing page.
Is there an open-source alternative to Claude?
Kimi is listed as open source or open weights.
Why look for a Claude alternative?
Claude is S-tier (88/100) in Chat & research assistants, but our take is to skip it if you need built-in image generation. The alternatives below come from the same category or a shared use case, ranked by score.