Made by Meituan
LongCat-2.5-Preview has no published cutoff.
Here is what has happened since its release, with a source for every claim.
At least527AI events since its release on 25 September 2026
- 13 of them historic
- 34 AI models released after it in our model registry
- 18 days of news since its release
Meituan doesn’t publish a training cutoff, so we count from its release date. The real gap is larger.
Model ids, prices and docs: LongCat-2.5-Preview in the model registry
Five things it has never heard of
-
Google releases Gemini 4 Argon broadly
Confirmed
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Meta releases Muse Wonder and Muse Wonder Full, its first frontier-class models
Confirmed
-
Anthropic discloses unintended model actions
Confirmed
-
OpenAI DevDay 2026 brings dots agents, GPT-6.1 Sol, Ultrafast and a $500 Pro plan
Confirmed
-
Trump hosts AI CEOs at the White House
Confirmed
Picked by rule: the biggest confirmed stories after its release, weighted toward news about its maker. Models often call such news fiction (case 020).
Four assistants, one scale
The four assistants we feature, for comparison. LongCat-2.5-Preview has no published cutoff, so it has no row of its own.
- GPT-6 Astra 256 at launch, 1,015 today
- Claude Opus 5.5 346 at launch, 952 today
- Gemini 4 Argon 1,010 at launch, 1,041 today
- Grok 4.7 358 at launch, 983 today
Show as a table
| Model | Cutoff | Released | Missing at launch | Missing today |
|---|---|---|---|---|
| GPT-6 Astra | April 2026 | 3 September 2026 | 256 | 1,015 |
| Claude Opus 5.5 | June 2026 | 22 September 2026 | 346 | 952 |
| Gemini 4 Argon | March 2026 | 13 October 2026 | 1,010 | 1,041 |
| Grok 4.7 | May 2026 | 21 September 2026 | 358 | 983 |
Your card
This is the image people see when you share this page. It links back here, with the sources.
postcutoff.com/you/longcat-2-5-preview.