{"slug": "mistral-large-4-updated-weights-and-lower-pricing-on-ai-gateway", "title": "Mistral Large 4 updated weights and lower pricing on AI Gateway", "summary": "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.", "body_md": "[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.\n\nAccording 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.\n\nIf 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.\n\nTo use Mistral Large 4 in fx, Pi, Claude Code, Codex, Cursor, or other harnesses, install the latest Vercel CLI and run setup:\n\nThen select `mistral/mistral-large-4` in the agent. See the [coding agents guide](https://vercel.com/docs/ai-gateway/coding-agents) for details.\n\nYou can also try Mistral Large 4 in the [model playground](https://vercel.com/ai-gateway/models/mistral-large-4).\n\nAI 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.\n\nAI 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.\n\nYou can view [all language models](https://vercel.com/ai-gateway/models?type=text) available on AI Gateway.", "url": "https://wpnews.pro/news/mistral-large-4-updated-weights-and-lower-pricing-on-ai-gateway", "canonical_source": "https://vercel.com/changelog/mistral-large-4-updated-weights-and-lower-pricing-on-ai-gateway", "published_at": "2026-10-29 00:00:00+00:00", "updated_at": "2026-10-29 16:48:05.903375+00:00", "lang": "en", "topics": ["large-language-models", "ai-agents", "ai-tools", "ai-safety"], "entities": ["Mistral", "Mistral Large 4", "Vercel", "AI Gateway", "Vercel CLI", "Claude Code", "Cursor", "Codex"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/mistral-large-4-updated-weights-and-lower-pricing-on-ai-gateway", "markdown": "https://wpnews.pro/news/mistral-large-4-updated-weights-and-lower-pricing-on-ai-gateway.md", "text": "https://wpnews.pro/news/mistral-large-4-updated-weights-and-lower-pricing-on-ai-gateway.txt", "jsonld": "https://wpnews.pro/news/mistral-large-4-updated-weights-and-lower-pricing-on-ai-gateway.jsonld"}}