LongCat 2.5 API pricing and integration guide

Current prices and model reference

Model ID

LongCat-2.5

Documented context

1M

Documented image input

Supported

Live model multiplier

1×

Input price

¥0.4 / 1M tokens

Output price

¥1.6 / 1M tokens

Prices are in CNY. A 1× multiplier equals CNY 0.4 per million input tokens. Output and cache charges follow the billing configuration; your usage record is authoritative.

When to consider this model

Consider it for screenshot-assisted coding, visual Q&A, and multi-step tools. Validate image input with focused questions first.

How to evaluate it

Test text first, then add screenshots and tool results while measuring visual understanding, coding quality, and per-task cost.

What to check before integration

Use the exact LongCat-2.5 ID. The reference lists 1M context and image support; confirm the Preview route through the live catalog.

Client configuration

In a client supporting a custom API endpoint, enter this base URL and model ID with your own API key. Select the protocol described in the client tutorial and validate a short request first.

Base URL: https://api.llm-token.cn/v1
Model ID: LongCat-2.5