Best GPT (OpenAI) alternatives

Anthropic's AI assistant and model family, used for coding, data analysis, writing, and research. Claude Code ships with the Pro plan for agentic coding.

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.

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.