LongCat 2.5 from Meituan is now available on AI Gateway. This model combines native visual understanding with coding and multi-step tool use for agents working across complex codebases and full-project builds. Meituan highlights improvements in visual programming, creative design, and 3D tasks, alongside longer agent workflows that carry engineering work from planning through execution. The model supports text and image inputs with a 1M-token context window for code, documents, and extended task histories. Use meituan/longcat-2.5 as the model name: import { streamText } from 'ai';const result = streamText({ model: 'meituan/longcat-2.5', prompt: 'Outline a database migration in three brief steps.',});for await (const text of result.textStream) { process.stdout.write(text);} To use it in Claude Code, Codex, Cursor, and more, install the latest Vercel CLI and run setup: npx vercel ai-gateway setup Then select meituan/longcat-2.5 in the agent. See the coding agents guide for details. Try LongCat 2.5 in the model playground. 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, Zero Data Retention support, budgets for API keys, 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 (BYOK) requests. You can view all language models available on AI Gateway.
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LongCat 2.5 now available on AI Gateway
Meituan's LongCat 2.5 is now accessible via AI Gateway, featuring enhanced visual understanding, coding capabilities, and multi-step tool use for complex codebase and project management tasks. It supports text and image inputs with a 1M-token context window, enabling extended workflows in engineering tasks. The model can be used with tools like Claude Code, Codex, and Cursor after setting up the Vercel CLI. AI Gateway offers unified API access, usage tracking, cost monitoring, and performance optimizations without markup or platform fees.