Best Claude alternatives

Chinese AI lab's open-weight model family, including V3 for general tasks, R1 for reasoning, and a dedicated Coder line, free to self-host or use commercially.

OpenAI's GPT family of frontier models, available through ChatGPT and the OpenAI API, including coding-tuned Codex variants.

Google's multimodal Gemini model family with long context windows, available in the Gemini app, Google AI Studio and Vertex AI.

Alibaba's open-weight code model family, with the 32B variant matching GPT-4o on several coding benchmarks while staying free to self-host under an Apache 2.0 license.

Mistral AI's flagship reasoning and coding model, alongside the open-weight Mixtral mixture-of-experts line that put the French lab on the map before Mistral Large existed.