Compare Mistral Medium 3.1 from Mistral AI and GPT-5 Mini from OpenAI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
Mistral Medium 3.1 and GPT-5 Mini are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Mistral Medium 3.1, from Mistral AI, has a 131,072-token context window and is priced at $0.40/M tokens input, $2/M tokens output on OpenRouter.
GPT-5 Mini, from OpenAI, has a 400,000-token context window and is priced at $0.25/M tokens input, $2/M tokens output on OpenRouter.