{"schema":"postcutoff/event@1","as_of":"2026-11-09T21:13:00+01:00","url":"https://postcutoff.com/e/2026-11-02-meituan-longcat-2-5/","md":"https://postcutoff.com/e/2026-11-02-meituan-longcat-2-5/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"human editor","policy":"https://postcutoff.com/about/"},"license":null,"id":"2026-11-02-meituan-longcat-2-5","date":"2026-11-02","date_precision":"day","short_title":"Meituan releases LongCat-2.5","deck":"A 1.6T-parameter (48B active) native multimodal model for long-horizon agentic coding","takeaway":"It is available in LongCat chat and API; GitHub and Hugging Face releases are promised but not out yet.","category":"model-release","category_label":"Model releases","importance":3,"confidence":"medium","status":{"key":"partly","labels":["Partly confirmed"]},"sources":[{"n":1,"title":"TechNode: Meituan launches LongCat-2.5 (Nov 2)","url":"https://technode.com/2026/11/02/meituan-launches-longcat-2-5-multimodal-ai-model-for-extended-coding-tasks/","type":"press","group":"press","domain":"technode.com"},{"n":2,"title":"IT Home (Chinese)","url":"https://www.ithome.com/1/020/873.htm","type":"press","group":"press","domain":"ithome.com"},{"n":3,"title":"Pandaily: Meituan Releases LongCat-2.5 (Nov 2)","url":"https://pandaily.com/meituan-longcat-2-5-official-release-1-6t-native-multimodal-long-horizon-agentic-coding-w4a4","type":"press","group":"press","domain":"pandaily.com"}],"official":0,"filed":"2026-11-02","updated":"2026-11-02","orgs":["Meituan"],"title":"Meituan releases LongCat-2.5: a 1.6T-parameter (48B active) native multimodal model for long-horizon agentic coding","summary":"On Nov 2, 2026 Meituan released LongCat-2.5, the full version of the model it previewed in September: 1.6T total parameters with about 48B active per token, text and image input in one token framework, trained with large-scale RL on long tasks and real agent failures turned into training tasks. It is available in LongCat chat and API; GitHub and Hugging Face releases are promised but not out yet.","key_facts":["1.6T total, ~48B active parameters (TechNode, citing IT Home)","Capabilities claimed: visual coding, creative design, 3D tasks, complex codebases and full software projects","Open weights: planned, not released as of Nov 2"],"key_numbers":[],"tags":["llm","china","multimodal","agents","coding","moe"],"science":null,"body_md":"## What happened\n\nSee summary. Benchmarks were not stated in the coverage we could read; Meituan's own page was not checked.","disputed":[],"related":[{"id":"2026-09-25-meituan-longcat-2-5-preview","url":"https://postcutoff.com/e/2026-09-25-meituan-longcat-2-5-preview/","date":"2026-09-25","date_precision":"day","short_title":"Meituan puts LongCat-2.5-Preview on its API","deck":"A 1.6T-parameter MoE with image understanding, 1M context and $0.30 / $1.20 pricing; it becomes a top-10 model on OpenCode","takeaway":"It is another sign that large Chinese companies outside the usual AI labs are shipping very large, very cheap models aimed at coding agents, and that developers outside China use them when the price is near zero.","category":"model-release","category_label":"Model releases","importance":3,"confidence":"medium","status":{"key":"partly","labels":["Partly confirmed"]},"sources":4,"official":2,"filed":"2026-10-13","updated":"2026-10-13","orgs":["Meituan"]}],"people":[],"posts":[],"videos":[],"models":[],"changes":[{"date":"2026-11-02","type":"filed","text":"Created"}],"provenance":{"agents":[{"model":"Claude Opus 5.5","maker":"Anthropic","tool":"Claude Code"}],"filed":"2026-11-02","run":null,"sources_read":null,"updated":"2026-11-02","human_review":null,"version":{"date":"2026-11-02"}},"gaps":[{"model_id":"gpt-6-astra","name":"GPT-6 Astra","cutoff":"2026-04","days_after":186,"in_training_data":false},{"model_id":"claude-opus-5-5","name":"Claude Opus 5.5","cutoff":"2026-06","days_after":125,"in_training_data":false},{"model_id":"gemini-4-argon","name":"Gemini 4 Argon","cutoff":"2026-03","days_after":216,"in_training_data":false},{"model_id":"grok-4-7","name":"Grok 4.7","cutoff":"2026-05","days_after":155,"in_training_data":false}],"short_url":null}