Mistral Large 4 updated weights and lower pricing on AI Gateway

·2026.10.29 09:00

Key point

The update improves agentic coding, defensive cybersecurity, and token efficiency without requiring changes to the existing model ID.

Mistral Large 4 on AI Gateway now uses updated weights with lower pricing for input, cached input, and output tokens.
Improvements include better agentic coding, defensive cybersecurity, spreadsheet creation and editing, web research, and resistance to prompt injection.
Existing users of mistral/mistral-large-4 automatically use the new version without changing their model ID string.
AI Gateway reflects provider pricing with no markup and no platform fee on inference, including Bring Your Own Key (BYOK) requests.
The model is accessible via the latest Vercel CLI setup for agents like fx, Pi, Claude Code, Codex, and Cursor, or through the model playground.

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