LLM Perks

LongCat 2.0

Free right now Frontier
ReasoningTool useLong contextOpen weights

LongCat 2.0 is a language model from Meituan. It is currently free at 1 provider with up to 1M tokens of context. The model supports step-by-step reasoning, supports tool calling. Its weights are open, so it can also run locally.

Developer
Meituan
Context
1M tokens
Type
Text
License
Open weights

Where to use LongCat 2.0 for free

Each row is a separate free endpoint with its own limits.

ProviderContextLimitCard
Nous Portal
meituan/longcat-2.0:free
1M The $0 Portal plan includes free models with standard rate limits. Model availability can change. No Open

Quick start

curl https://inference-api.nousresearch.com/v1/chat/completions \
  -H "Authorization: Bearer $NOUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "meituan/longcat-2.0:free",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Example for Nous Portal. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.

Benchmarks

Intelligence Index
19.1
GPQA Diamond
78.0%
Humanity's Last Exam
33.7%
Long context (LCR)
65.0%

Source: Artificial Analysis · LongCat 2.0

Similar free models

FAQ

Is LongCat 2.0 free?

Yes. As of September 26, 2026, LongCat 2.0 is free at Nous Portal. Each provider has its own limits — see the table above.

What is the context window of LongCat 2.0?

The largest context among free routes is 1,048,756 tokens. Some providers cap it lower.

How do I call LongCat 2.0 via API?

Use any OpenAI-compatible client with base URL https://inference-api.nousresearch.com/v1, model ID meituan/longcat-2.0:free, and a Nous Portal key.

How good is LongCat 2.0?

Artificial Analysis Intelligence Index: 19.1, GPQA Diamond: 78%. For comparison, the strongest free model in the catalog right now is GLM 5.3.

Is LongCat 2.0 open-weight?

Yes, the weights are published — you can download and run it locally, for example with Ollama or LM Studio.