15+ Best Alternatives to Anthropic in 2026
AI safety lab building Claude — a helpful, harmless, honest AI assistant.
Looking for an alternative to Anthropic? Below are 15 AI startups working in the same space — ranked by our Neuron score so the most credible options come first. Each card shows what makes the tool a viable substitute, pricing signals, and funding stage.
- 1View alternative →
OpenAI
$13BCreator of ChatGPT, GPT-4, and the leading frontier AI lab.
Why it's similar: Shares categories with Anthropic — AI Chatbots, AI Agents.
💵 Freemium · From $20/mo
- 2View alternative →
01.AI
$1BFounded by Kai-Fu Lee — maker of the Yi model family.
Why it's similar: Shares categories with Anthropic — AI Chatbots, AI Agents.
💵 Freemium
- 3View alternative →
Moonshot AI
$1.3BMaker of Kimi — the long-context AI chatbot.
Why it's similar: Shares categories with Anthropic — AI Chatbots, AI Agents.
💵 Freemium
- 4View alternative →
Cursor
$900MThe AI code editor built for productive engineers.
Why it's similar: Shares categories with Anthropic — AI Coding.
💵 Freemium · From $20/mo
- 5View alternative →
Zhipu AI
$1.4BChinese foundation model lab behind ChatGLM and GLM-4.
Why it's similar: Shares categories with Anthropic — AI Chatbots, AI Agents.
💵 Freemium
- 6View alternative →
Perplexity
$500MThe answer engine — AI search with real-time citations.
Why it's similar: Shares categories with Anthropic — AI Agents.
💵 Freemium · From $20/mo
- 7View alternative →
Replit
$250MBuild software collaboratively from any device.
Why it's similar: Shares categories with Anthropic — AI Coding, AI Agents.
💵 Freemium · From $20/mo
- 8View alternative →
Cognition
$196MApplied AI lab building Devin, the AI software engineer.
Why it's similar: Shares categories with Anthropic — AI Coding, AI Agents.
💵 Paid · From $500/mo
- 9View alternative →
Character.AI
$193MChat with millions of user-created AI characters.
Why it's similar: Shares categories with Anthropic — AI Chatbots.
💵 Freemium · From $10/mo
- 10View alternative →
Windsurf
$243MAgentic AI IDE for next-generation coding.
Why it's similar: Shares categories with Anthropic — AI Coding, AI Agents.
💵 Freemium · From $15/mo
- 11View alternative →
You.com
$99MThe productivity search engine with AI agents.
Why it's similar: Shares categories with Anthropic — AI Agents.
💵 Freemium · From $15/mo
- 12View alternative →
Tabnine
$55MPrivate AI code assistant for enterprise developers.
Why it's similar: Shares categories with Anthropic — AI Coding.
💵 Freemium · From $12/mo
- 13View alternative →
Chatbase
$3MCustom AI chatbots trained on your data.
Why it's similar: Shares categories with Anthropic — AI Chatbots.
💵 Freemium · From $19/mo
- 14View alternative →
DeepSeek
UndisclosedOpen-weights frontier AI models with breakthrough efficiency.
Why it's similar: Shares categories with Anthropic — AI Coding, AI Agents.
💵 Freemium
- 15View alternative →
Candy AI
UndisclosedAI companion platform for meaningful conversations.
Why it's similar: Shares categories with Anthropic — AI Chatbots.
💵 Freemium · From $13/mo
Frequently asked questions
What are the best alternatives to Anthropic?
The top-ranked alternatives to Anthropic on NeuronFeed are OpenAI, 01.AI, Moonshot AI, Cursor, Zhipu AI. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Anthropic?
Most direct alternatives are paid. Check individual profiles for free trials and startup discounts on our deals page.
How is this list ranked?
We rank alternatives by shared categories with Anthropic, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.
Anthropic vs OpenAI — which is better?
It depends on use case. OpenAI (Creator of ChatGPT, GPT-4, and the leading frontier AI lab.) is the #1-ranked alternative. See the full side-by-side at /compare/anthropic-vs-openai.
Explore more around Anthropic
Contextual paths to related AI startups, deals and rankings.