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Meituan (LongCat) · Released Jun 30, 2026

LongCat-2.0

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

  • Proprietary
  • Reasoning
  • Tool calling
Capability
—No ECI score yet
Input
$0.75per 1M tokens
Output
$2.95per 1M tokens
Context
1M131K max output
Pricing

What it costs

Input
$0.75per million tokens
Output
$2.95per million tokens
Cached input
$0.015per million tokens
Blended (3:1)
$1.30pricier than 61% of priced models

Typical monthly bills

Monthly usageEstimated cost
Side project2M input + 0.5M output tokens$2.98
Team assistant25M input + 5M output tokens$33.50
Production app250M input + 50M output tokens$335.00

Official LongCat API price, as listed on models.dev.

Capability

Independent benchmarks

Epoch AI has not published a Capabilities Index score for LongCat-2.0 yet.

Specifications

The details

Lab
Meituan (LongCat)
Released
Jun 30, 2026
Context window
1,000,000 tokens
Max output
131,072 tokens
Inputs
Text
Output
Text
Reasoning
Can be switched on or off
Tool calling
Yes
Structured output
No
Weights
Proprietary
API model ID
LongCat-2.0on LongCat
Availability
5 API providerslisted on models.dev

LongCat model documentation

Lab-reported

What Meituan (LongCat) claims

Published by the lab at launch. Settings vary, so compare these only with care.

BenchmarkScoreSettingSource
SWE-Bench Pro59.5 resolve rate—Source
SWE-Bench Multilingual77.3 resolve rate—Source
Terminal-Bench v2.170.8 success rate—Source
GPQA Diamond88.9—Source
BrowseComp79.9—Source
IFEval90—Source
FORTE73.2 success rate—Source
Same lab

More from Meituan (LongCat)

Questions

About LongCat-2.0

How much does LongCat-2.0 cost?

LongCat-2.0 costs $0.75 input / $2.95 output per million tokens (official LongCat API price). Cached input is $0.015 per million tokens. At a 3:1 input-to-output mix that is $1.30 per million tokens, more expensive than 61% of the 360 priced models we track.

What is the context window of LongCat-2.0?

LongCat-2.0 accepts up to 1,000,000 tokens per request and can write up to 131,072 tokens in one response.

How good is LongCat-2.0?

Epoch AI has not published a Capabilities Index score for LongCat-2.0 yet.

Is LongCat-2.0 open source?

No. LongCat-2.0 is proprietary; you use it through LongCat’s API or partner platforms.

What inputs does LongCat-2.0 support?

LongCat-2.0 accepts text and replies in text. It is a reasoning model, supports tool calling.

When was LongCat-2.0 released?

Meituan (LongCat) released LongCat-2.0 on Jun 30, 2026.

What are the best alternatives to LongCat-2.0?

The closest current models from other labs on capability, price and release date are Hy4 preview (Tencent, $0.834 / $2.50), Grok Build 0.1 (xAI, $1.00 / $2.00), MiMo-V2.5-Pro-UltraSpeed (Xiaomi, $1.30 / $2.61) and Seed 2.1 Pro (ByteDance Seed, $0.891 / $4.45).