Mistral Large 4 updated weights and lower pricing on AI Gateway

Vercel's AI Gateway now serves updated Mistral Large 4 weights with lower pricing for input, cached input, and output tokens, following Mistral's release announcement. Mistral said the updated weights improve agentic coding and defensive cybersecurity, with greater token efficiency on coding tasks, and also improve spreadsheet creation and editing, web research, and resistance to prompt injection. Existing users of the model ID `mistral/mistral-large-4` get the new weights and pricing without changing their model string, and AI Gateway passes through provider pricing with no markup and no platform fee on inference, including Bring Your Own Key requests.

Mistral Large 4 from Mistral https://vercel.com/ai-gateway/models/mistral-large-4 now uses updated weights on AI Gateway https://vercel.com/docs/ai-gateway , with lower pricing for input, cached input, and output tokens. According to Mistral’s release announcement https://mistral.ai/news/mistral-large-4-oss/ , the updated weights improve agentic coding and defensive cybersecurity, with greater token efficiency on coding tasks. The release also improves spreadsheet creation and editing, web research, and resistance to prompt injection. If you were already using mistral/mistral-large-4 via AI Gateway, there is no need to change your model to start using the updated version. The existing model ID string uses the new model with updated weights and pricing. To use Mistral Large 4 in fx, Pi, Claude Code, Codex, Cursor, or other harnesses, install the latest Vercel CLI and run setup: Then select mistral/mistral-large-4 in the agent. See the coding agents guide https://vercel.com/docs/ai-gateway/coding-agents for details. You can also try Mistral Large 4 in the model playground https://vercel.com/ai-gateway/models/mistral-large-4 . AI Gateway provides a unified API for calling models, tracking usage and cost, and configuring retries, failover, and performance optimizations for higher-than-provider uptime. It includes built-in custom reporting https://vercel.com/changelog/custom-reporting-ai-gateway , Zero Data Retention support https://vercel.com/blog/zdr-on-ai-gateway , budgets for API keys https://vercel.com/docs/ai-gateway/authentication-and-byok/api-keys , routing rules https://vercel.com/docs/ai-gateway/models-and-providers/routing-rules , and more. AI Gateway reflects provider pricing with no markup and does not charge a platform fee on inference, including on Bring Your Own Key https://vercel.com/docs/ai-gateway/authentication-and-byok/byok BYOK requests. You can view all language models https://vercel.com/ai-gateway/models?type=text available on AI Gateway.