{"slug": "deepseek-v4-flash-now-runs-updated-weights-on-ai-gateway", "title": "DeepSeek V4 Flash now runs updated weights on AI Gateway", "summary": "Vercel's AI Gateway now serves DeepSeek V4 Flash with updated weights by default, boosting its Terminal-Bench score to 82.7, up 25.8 points from 56.9 in the April preview. Requests to `deepseek/deepseek-v4-flash` automatically use the new weights with no code changes, and DeepSeek is currently the only provider serving them, with others expected next week.", "body_md": "[DeepSeek V4 Flash](https://vercel.com/ai-gateway/models/deepseek-v4-flash) now runs on updated weights by default on AI Gateway, with notably stronger agentic capabilities. On Terminal-Bench, it scores 82.7, up 25.8 points from 56.9 in the April preview.\n\nRequests to `deepseek/deepseek-v4-flash`\n\npick up the new weights automatically, with no change to the model ID or your code.\n\nFor now, DeepSeek is the only provider serving the updated weights. Other providers, including ones with Zero Data Retention, are coming next week.\n\nTo use the updated DeepSeek V4 Flash, set model to `deepseek/deepseek-v4-flash`\n\nin the [AI SDK](https://ai-sdk.dev/). AI Gateway will route to providers with the new weights by default:\n\nTo run V4 Flash in a coding agent, use `vercel ai-gateway coding-agents setup`\n\nto connect your agents to AI Gateway, then select `deepseek/deepseek-v4-flash`\n\nin the agent's model configuration. See the [coding agents guide](https://vercel.com/docs/ai-gateway/coding-agents).\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. Learn more about [AI Gateway](https://vercel.com/docs/ai-gateway), view the [AI Gateway model leaderboard](https://vercel.com/ai-gateway/leaderboards) or try it in our [model playground](https://vercel.com/ai-gateway/models/deepseek-v4-flash).", "url": "https://wpnews.pro/news/deepseek-v4-flash-now-runs-updated-weights-on-ai-gateway", "canonical_source": "https://vercel.com/changelog/deepseek-v4-flash-now-runs-updated-weights-on-ai-gateway", "published_at": "2026-07-31 07:00:00+00:00", "updated_at": "2026-07-31 17:38:22.867677+00:00", "lang": "en", "topics": ["artificial-intelligence", "ai-products", "ai-infrastructure", "large-language-models"], "entities": ["Vercel", "DeepSeek", "AI Gateway", "DeepSeek V4 Flash", "Terminal-Bench", "AI SDK"], "alternates": {"html": "https://wpnews.pro/news/deepseek-v4-flash-now-runs-updated-weights-on-ai-gateway", "markdown": "https://wpnews.pro/news/deepseek-v4-flash-now-runs-updated-weights-on-ai-gateway.md", "text": "https://wpnews.pro/news/deepseek-v4-flash-now-runs-updated-weights-on-ai-gateway.txt", "jsonld": "https://wpnews.pro/news/deepseek-v4-flash-now-runs-updated-weights-on-ai-gateway.jsonld"}}