LongCat-2.0
LongCat-2.0 is worth evaluating for coding, rag, and agents when its provider route and context window match the workload.
Use it for
- Teams evaluating coding, rag, and agents
- Workloads that can use a 1m context window
- Buyers comparing 1 tracked provider route
Do not use it for
- Vision or document-understanding workloads
Cheapest of 1 route · LongCat API Platform · cache read $0.015
About
LongCat-2.0 is Meituan's large-scale MoE language model for coding, long-context, and agentic tasks. The model has 1.6T total parameters, roughly 48B activated per token, native 1M context support, and API access through OpenAI- and Anthropic-compatible LongCat endpoints. Public MIT-licensed safetensors weights are downloadable from Hugging Face, with Transformers, vLLM, and SGLang deployment support.
LongCat-2.0 is an open-source model in the LongCat family. The structured metadata tracks a 1m-token context window, reasoning, function calling, and tool use. This page tracks provider routes through LongCat API Platform, with the cheapest tracked route listed at $0.75 input and $2.95 output per 1M tokens. Headline tracked benchmarks include Terminal-Bench 2.1 70.8, SWE-bench Pro 59.5, and SWE-bench Multilingual 77.3.
Top use-case fit: coding, agents, and build tasks
Coding
Q/$ D1 relevant benchmark in the decision map.
RAG
Included by capability and metadata signals in the decision map.
Agents
Included by capability and metadata signals in the decision map.
Provider price ladder
Compare API pricing across 1 providers for input and output tokens, batch, and cached reads when available.
| Provider | Input / 1M | Output / 1M | Cache | Route |
|---|---|---|---|---|
| LongCat API Platform | $0.750 | $2.95 | read $0.015 | Serverless |
Capabilities
Benchmark peer barsfor Coding
Benchmark scores(4)
| Benchmark | Score | Version | Evaluation | Source |
|---|---|---|---|---|
| Terminal-Bench 2.1 | 70.8 | Terminal-Bench 2.1; Code Agent chart; LongCat launch benchmarkObserved 2026-06-30 | — | Source |
| SWE-bench Pro | 59.5 | SWE-bench Pro; Code Agent chart; LongCat launch benchmarkObserved 2026-06-30 | — | Source |
| SWE-bench Multilingual | 77.3 | SWE-bench Multilingual; Code Agent chart; LongCat launch benchmarkObserved 2026-06-30 | — | Source |
| BrowseComp | 79.9 | BrowseComp; Search Agent chart; LongCat launch benchmarkObserved 2026-06-30 | — | Source |
Migration checks
No linked migration route is available for this model yet.
Frequently asked questions
What is the context window of LongCat-2.0?
LongCat-2.0 has a context window of 1m tokens.
What is the max output of LongCat-2.0?
LongCat-2.0 can generate up to 128,000 output tokens.
How much does LongCat-2.0 cost?
LongCat-2.0 is available at $0.75/1M input tokens through LongCat API Platform.
When was LongCat-2.0 released?
LongCat-2.0 was released on 2026-06-30.
Which providers offer LongCat-2.0?
LongCat-2.0 is available from 1 provider: LongCat API Platform.
What benchmarks has LongCat-2.0 been tested on?
LongCat-2.0 has been evaluated on 4 benchmarks, including Terminal-Bench 2.1, SWE-bench Pro, SWE-bench Multilingual, BrowseComp.
Cheapest of 1 route · LongCat API Platform · cache read $0.015