- Context
- 1Mtokens
- Released
- 1w ago
LongCat-2.5 is a model from Meituan's LongCat series. Its launch announcement presents it as a natively multimodal model built for long-horizon agent tasks, saying it has native visual understanding and agentic coding capabilities. The maker says the new model delivers clear gains on these long-horizon agent tasks.
- Multimodal model
- Accepts images
- 1M context
- Reasoning
- Tools
How it compares
Additional source evidence
- Source model
- meituan/longcat-2.5
- Source family
- longcat
- Last updated
- 2026-11-02
- Model context
- 1M
- Model output limit
- 262K
- Open weights
- No
- File attachments
- Yes
- Reasoning
- Yes
- Tool calling
- Yes
- Temperature control
- No
Complete source record (JSON)
{
"id": "meituan/longcat-2.5",
"name": "LongCat-2.5",
"description": "Meituan's multimodal reasoning model for long-horizon coding and agent tasks, with visual understanding and a 1M-token context window",
"family": "longcat",
"last_updated": "2026-11-02",
"attachment": true,
"reasoning": true,
"tool_call": true,
"temperature": false,
"modalities": {
"input": [
"text",
"image"
],
"output": [
"text"
]
},
"limit": {
"context": 1000000,
"output": 262144
},
"release_date": "2026-11-02",
"open_weights": false
}Frequently asked questions
Capabilities and specs
The context window of LongCat-2.5 is 1M tokens (1,000,000). Its maximum output is 262K tokens (262,144).
Images yes, audio, video and PDFs no. The input modalities of LongCat-2.5 are text and image only.
Yes, LongCat-2.5 supports tool calling (function calling).
Yes, LongCat-2.5 supports a reasoning mode.
Quality and benchmarks
The closest alternatives, matched on model kind and release date with no comparable price, are Inkling 2 Small by Thinking Machines Lab, Muse Wonder Full by Meta and MiniMax-M3.1-Flash-Preview by MiniMax.
Inkling 2 SmallLongCat-2.5 vs Inkling 2 SmallMuse Wonder FullLongCat-2.5 vs Muse Wonder FullMiniMax-M3.1-Flash-PreviewLongCat-2.5 vs MiniMax-M3.1-Flash-Preview
Kimi K3. It is the highest-ranked open-weight model on Arena Text at rank 19, while LongCat-2.5 itself is closed.
Licensing and access
No, LongCat-2.5 is closed.
Basics
LongCat-2.5 was made by Meituan and released on November 2, 2026.
Generated from Vertical Tabs data, updated November 11, 2026.
Discussion
No comments yet
Be the first to share your thoughts.