Meituan: LongCat 2.5 Preview
LongCat 2.5 Preview is a reasoning model from Meituan released on Sep 25, 2026. It reads text and images and writes text, with a 1M token context window and up to 131K tokens per reply.
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It costs $0.75 per million input tokens and $2.95 per million output tokens. Cached input bills at $0.015, 98% less than fresh input.
It supports tool calling and prompt caching.
2 providers serve it, including Vercel AI Gateway and NanoGPT. The lowest input price is $0.30 per million tokens at Vercel AI Gateway.
- Modalities
- In / out price
- $0.75 / $2.95 per 1M
- Context
- 1M
- Max output
- 131K
- Released
- Sep 25, 2026
- Knowledge cutoff
- n/a
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
LongCat 2.5 Preview pricing
USD, as listed on Oct 15, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.
| Input | $0.75 / 1M tokens | |
|---|---|---|
| Output | $2.95 / 1M tokens | |
| Cached input (read) | $0.015 / 1M tokens | 98% off input |
LongCat 2.5 Preview providers
2 providers serve it, including Vercel AI Gateway and NanoGPT. The lowest input price is $0.30 per million tokens at Vercel AI Gateway. Each host sets its own price and limits, so the cheapest one is not always the one with the longest context.
| Provider | Input /M | Output /M | Cache read /M | Context | Max output |
|---|---|---|---|---|---|
| Vercel AI Gateway | $0.30 | $1.20 | $0.006 | 1.05M | 131K |
| NanoGPT | $0.75 | $2.95 | $0.015 | 1M | 131K |
What LongCat 2.5 Preview costs per month
Pick a workload close to yours or type your own volumes.
Supported request parameters
What you can set when you call LongCat 2.5 Preview through an OpenAI compatible API.
- Tools
tools - Reasoning
reasoning - Temperature
temperature
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LongCat 2.5 Preview questions
How much does the LongCat 2.5 Preview API cost?
$0.75 per million input tokens and $2.95 per million output tokens, with cached input at $0.015. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of LongCat 2.5 Preview?
1,000,000 tokens of input, and it can write up to 131,072 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Which providers serve LongCat 2.5 Preview?
2 providers serve it, including Vercel AI Gateway and NanoGPT. The lowest input price is $0.30 per million tokens at Vercel AI Gateway. Prices differ by host, so the Providers table on this page lists each one with its input and output price.
Does LongCat 2.5 Preview support tool calling?
Yes. It accepts tool definitions, which is what an agent needs to call your APIs.
Is LongCat 2.5 Preview open source?
No. Meituan serves it through an API only, so you cannot download the weights or host it yourself.
When was LongCat 2.5 Preview released?
Sep 25, 2026.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.