20+ 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 20 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
$193.3BCreator of ChatGPT, GPT-4, and the leading frontier AI lab.
Why it's similar: Shares categories with Anthropic — AI Chatbots, Foundation Models.
💵 Free · From $20/mo
- 2View alternative →
Moonshot AI
$3BMaker of Kimi — the long-context AI chatbot.
Why it's similar: Shares categories with Anthropic — AI Chatbots, Foundation Models.
💵 Free
- 3View alternative →
Recursive Superintelligence
$650MBuilding AI systems that continuously improve themselves
Why it's similar: Shares categories with Anthropic — Foundation Models, AI Safety.
💵 Free
- 4View alternative →
Safe Superintelligence
$3BBuilding safe superintelligence
Why it's similar: Shares categories with Anthropic — Foundation Models, AI Safety.
💵 Enterprise · Contact sales
- 5View alternative →
Character.AI
$150MChat with millions of user-created AI characters.
Why it's similar: Shares categories with Anthropic — AI Chatbots, Foundation Models.
💵 Free · From $10/mo
- 6View alternative →
Slingshot AI
$93MFoundation model and AI app for mental health
Why it's similar: Shares categories with Anthropic — AI Chatbots, Foundation Models.
💵 Freemium
- 7View alternative →
Perplexity
$2.0BAI-powered answer engine delivering real-time, cited responses to complex queries.
Why it's similar: Shares categories with Anthropic — Foundation Models.
💵 Free
- 8View alternative →
ElevenLabs
$1.1BThe most realistic AI voices for creators, developers, and enterprise.
Why it's similar: Shares categories with Anthropic — AI Chatbots.
💵 Free · From $5/mo
- 9View alternative →
Thinking Machines Lab
$2BFrontier AI research lab building customizable, multimodal models
Why it's similar: Shares categories with Anthropic — Foundation Models.
💵 Usage
- 10View alternative →
Mistral AI
$6.3BOpen and efficient foundation models
Why it's similar: Shares categories with Anthropic — Foundation Models.
💵 Free
- 11View alternative →
Runway
$1.4BApplied AI research for video, image, and 3D.
Why it's similar: Shares categories with Anthropic — Foundation Models.
💵 Free · From $15/mo
- 12View alternative →
MiniMax
$2.2BChinese AI lab behind Hailuo video and Talkie companions.
Why it's similar: Shares categories with Anthropic — Foundation Models.
💵 Freemium
- 13View alternative →
xAI
$56BAI designed to understand the universe
Why it's similar: Shares categories with Anthropic — AI Chatbots.
💵 Paid
- 14View alternative →
Black Forest Labs
$300MFrontier AI research lab for visual intelligence, building production-grade image generation and editing models.
Why it's similar: Shares categories with Anthropic — Foundation Models.
💵 Free
- 15View alternative →
Generalist AI
$1.1BGeneral-purpose embodied foundation models for physical-world robots
Why it's similar: Shares categories with Anthropic — Foundation Models.
💵 Free
- 16View alternative →
Liquid AI
$250MEfficient general-purpose foundation models built for edge, on-device, and cloud deployment at every scale.
Why it's similar: Shares categories with Anthropic — Foundation Models.
💵 Enterprise · Contact sales
- 17View alternative →
Zhipu AI
$2.0BChinese foundation model lab behind ChatGLM and GLM-4.
Why it's similar: Shares categories with Anthropic — Foundation Models.
💵 Free
- 18View alternative →
ShengShu Technology
$380MMultimodal AI video generation with the Vidu model
Why it's similar: Shares categories with Anthropic — Foundation Models.
💵 Free
- 19View alternative →
01.AI
$200MFounded by Kai-Fu Lee — maker of the Yi model family.
Why it's similar: Shares categories with Anthropic — Foundation Models.
💵 Freemium
- 20View alternative →
Sierra
$2.2BConversational AI agents for every business
Why it's similar: Shares categories with Anthropic — AI Chatbots.
💵 Enterprise · Contact sales
Frequently asked questions
What are the best alternatives to Anthropic?
The top-ranked alternatives to Anthropic on NeuronFeed are OpenAI, Moonshot AI, Recursive Superintelligence, Safe Superintelligence, Character.AI. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Anthropic?
Yes — OpenAI, Moonshot AI, Recursive Superintelligence offer a free plans. See the pricing column for each alternative above.
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.