LongCat 2.5 Preview Free is Meituan's language model with a 1.0M context window and up to 131K output tokens. A large language model from Meituan's LongCat series offering preview access to its 2.5 generation capabilities at no cost.
Specifications
Canonical IDmeituan-longcat-2-5-preview-free
TypeLanguage
StatusActive
CreatorMeituanMeituan
Context Window1.0M tokens
Max Output131K tokens
Input ModalitiesImage
Output ModalitiesText
Reasoning Effortsdefault

Capabilities

Input1/5
Text·
Image✓
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities2/13
Reasoning✓
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
LongCat 2.51.0M$0.300$1.20Available
LongCat 2.5 Preview1.0M——Available
LongCat 2.01.0M$0.300$1.20Available
LongCat 2.5 Preview Free—1.0M——Current
LongCat Flash Thinking33K——Available
LongCat Flash Chat128K——Available
LongCat Flash Lite————Available
LongCat Image————Available

Model IDs

meituan-longcat-2-5-preview-free
opencode_go/longcat-2.5-preview-free