LongCat-Flash Chat model is now supported in Vercel AI Gateway
Vercel AI Gateway now routes to Meituan's LongCat-Flash Chat. One API, multi-model access—no provider switching.
Why it matters
Vercel expands model routing to include Meituan's agentic model, reducing friction for developers building with non-OpenAI/Anthropic providers and signaling market fragmentation beyond the Big 3.
The key facts
10 to knowMeituan LongCat-Flash Chat model integrated into Vercel AI Gateway
Model focuses on agentic tool use with dynamic parameter activation
Unified API across multiple providers via single string update (meituan/longcat-flash-chat)
Built-in observability, BYOK support, and intelligent provider routing with automatic retries
AI SDK v5 required for implementation
Published: September 11, 2025
LongCat-Flash Chat from Meituan now accessible via Vercel AI Gateway
Single unified API eliminates need for separate provider accounts
AI Gateway features: observability, BYOK support, intelligent provider routing, automatic retries
Requires AI SDK v5 with model identifier meituan/longcat-flash-chat
Go to the source
Vercel Blogvercel.com
Publisher excerpt: You can now access LongCat Flash Chat, a new model from Meituan focused on agentic tool use, using Vercel with no other provider accounts required. The model dynamically activates parameters, based on contextual demands.AI Gateway AI Gateway lets you call the model with a consistent unified API and…