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LongCat-2.0 API status on OpenCode Zen

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Catalog metadata matched Reasoning models.dev metadata

Meituan LongCat-2.0, a reasoning model with tool calling and a 1M-token context window

Check providerOpenAI compatibleReasoningTool callingReasoning
API Details

Copy-ready connection details

Use these values in your client or SDK.
Base URL
https://opencode.ai/zen/v1
Model ID
longcat-2.0-free
API format OpenAI Chat Completions
Technical Details

LongCat-2.0 specifications

Provider and model catalog
Context window 1.0M
Max output 131K
Status Check provider
Family longcat
Released Jun 30, 2026
Last updated Jun 30, 2026
Free listing since Aug 7, 2026
Input text
Output text
Capabilities reasoning, tool calling, temperature control

External benchmark references

Benchmark Score Metric Date
SWE-Bench Pro 59.5 resolve rate 2026-06-30
SWE-Bench Multilingual 77.3 resolve rate 2026-06-30
Terminal-Bench 70.8 success rate 2026-06-30
GPQA Diamond 88.9 accuracy 2026-06-30
AI Recommendation

Should you use LongCat-2.0?

LongCat-2.0 is listed for chat workloads and supports a 1.0M context window.

Check OpenCode Zen's current endpoint status before integrating this listing. Use the alternatives table if the provider listing is unavailable.

Best for
  • Chat
Strengths & Weaknesses

Strengths

  • Long context window
  • Reasoning mode listed
  • Tool calling support

Watch outs

  • Current endpoint availability needs provider confirmation
  • Vision support is not listed
Pricing

LongCat-2.0 pricing per 1M tokens

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Input $0 per 1M tokens
Output $0 per 1M tokens
Free access Check provider OpenCode Zen
Availability

LongCat-2.0 availability by provider

Current provider only

We only found this LongCat-2.0 listing on OpenCode Zen in the current catalog. Use the related models section for nearby alternatives.

Provider Model listing Access Context API Limits
OpenCode Zen LongCat-2.0 Check provider 1.0M Native Varies
View OpenCode Zen setup guide →
Typical Use Cases

LongCat-2.0 use cases

Chat

LongCat-2.0 is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

FAQ

LongCat-2.0 free API FAQ

Is LongCat-2.0 free to use?

LongCat-2.0 appears in the free model catalog for OpenCode Zen, but its current endpoint availability should be confirmed with the provider before use.

What is the LongCat-2.0 model ID?

The model ID shown in this catalog is longcat-2.0-free.

What context window does LongCat-2.0 support?

The listed context window is 1.0M tokens with up to 131K output tokens.

More about LongCat-2.0

Free LongCat-2.0 API.

For API keys, setup steps, and provider-level limits, see the OpenCode Zen provider page.