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LongCat 2.5
● liveOn the board as live since 2026-09-27 — the watchers keep tracking it: lineup changes, pricing moves and deprecations all alert.
Launch details
Live — our sweep read nano-gpt/longcat-2.5-preview at $0.75/$2.95 per 1M, 1M ctx, on Sep 27, and a free relist of the same preview on Sep 26; this row stands for the whole LongCat line, including the 2.0 our ledger has carried since July; that it is Meituan's, that LongCat-2.0 is a 1.6T MIT-licensed MoE with 48B active, and its benchmark figures, are search-grade and vendor-reported, not our own reading; the price we read is a gateway's, not necessarily Meituan's; Nov 2: THE NON-PREVIEW ID ARRIVED AND NOTHING FIRED. Our own ledger dates it: `longcat-2.5` (normalized `longcat25`, no preview suffix) is absent from the 15:16 UTC sweep's seenIds and present in the 17:19 UTC sweep's (commits b46e1cc → a4d1c1d), so our sweep read the bare id itself inside that window — but it resolves to THIS live row, so it raised no unmapped wire item, and detectWatchedModels(["longcat-2.5"]) returns [] because the hunt was disarmed on Sep 27. That is the Qwen3.8-Max shape this file's previewOnly doc describes: the row went live off a PREVIEW-only reading and carries no previewOnly flag, so the GA could never alert. Recorded, not patched — re-arming touches subscriber alerting and the moment has passed; liveSince stays Sep 27 because the preview was genuinely buyable then, on our own reading; FROM SEARCH ONLY, not opened here: Meituan's own @Meituan_LongCat account posted 'Introducing LongCat-2.5, our latest natively multimodal agentic model with 1.6T total parameters and ~48B active' (relayed Nov 1–2; its Sep 25 post was the distinct 'LongCat-2.5-Preview is now live'), Chinese coverage dates the launch Nov 2 and says it was trained entirely on domestic silicon, and NO source confirms open weights for 2.5 — one review found no LongCat-2.5 repo on Hugging Face, and 2.0 remains the newest member known to have them.No reading from our side right now· checked Live model status →
Watch for the next frontier model, free →Launch report (PDF)
Timeline
Where to use LongCat 2.5
3 providers list LongCat 2.5 in the models.dev catalog (as of 2026-11-11), under the model ids shown below.
meituan/longcat-2.5longcat-2.5-freelongcat-2.5-freeListings cover the model family, so a provider may list a sibling tier under the same name. Check the id before you build on it.
LongCat 2.5: quick answers
Is LongCat 2.5 out?
Yes. LongCat 2.5 is live and has been since September 27, 2026.
When was LongCat 2.5 released?
September 27, 2026.
Who makes LongCat 2.5?
Meituan.
Where can I use LongCat 2.5?
3 providers list it in the models.dev catalog, including Vercel AI Gateway, OpenCode and OpenCode Go. The exact model ids each one lists are on this page.
Cite this page
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<a href="https://artificialwatch.com/model/longcat-2-5">LongCat 2.5 on ArtificialWatch</a>ArtificialWatch, "LongCat 2.5", https://artificialwatch.com/model/longcat-2-5Know when the next frontier model drops. Free.
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