> LongCat 2.0 is an open-weights AI model from Meituan, released 20 Jul 2026. Estimated index score ~140 (GPT-4 = 100), not yet independently tested. API price $0.30 in / $1.2 out per million tokens, 1.05M context.

[Models](https://themodelindex.org/models/) /[Meituan](https://themodelindex.org/labs/meituan/)

# LongCat 2.0

Meituan

Released 20 Jul 2026

Open

[Compare](https://themodelindex.org/compare/longcat-2-0-vs-claude-opus-5/) [Run it yourself →](https://themodelindex.org/local/)

~140129–152

Estimated index score

expected range · not ranked until independently tested

–

Core tests taken

no independent results yet

−45

Versus the frontier at release

best then: Claude Fable 5

$0.30/ $1.2

Price per million tokens

input / output, list price

1.05M

Context window

tokens it reads at once

## Where it sits · on the frontier

_Chart: Model Index score of every scored model since late 2022, with the best closed and best open model over time_

Dashed ring: an estimate until Epoch AI publishes results for this model.

## Test results · by area · tick = best by any model

Reasoning & knowledge

no evidence yet

GPQA Diamond

no result

Humanity's Last Exam

no result

Maths

no evidence yet

FrontierMath T1-3

no result

Coding

no evidence yet

SWE-bench Verified

no result

Terminal-Bench

no result

Agents

no evidence yet

APEX-Agents

no result

Novel problems

no evidence yet

ARC-AGI-2

no result

Long tasks

no evidence yet

METR time horizon

no result

Independent results from the Epoch AI benchmarking hub, best reasoning setting. The core tests are shown here; anchor tests also inform the score and can be shown above.

## What others say · rank on each leaderboard

Artificial Analysis Intelligence Index

overall capability across ten evaluations

#59

of 207 · 19

Further left is better. Leaderboards measure different things: LMArena is people voting blind between two answers, the others are test scores. Click any row for the source.

## Best at · top three among current models

Not in the top three among current models on any category we track.

Where this model places in the top three of today's models, on category leaderboards and on our core tests.

## Where to use it · prices checked 1 Oct 2026

#### API providers · 1 · per million tokens, in / out

A

AtlasCloud

$0.30 / $1.2 · fp8

cheapest

#### Run it yourself

🤗

Official weights

meituan-longcat/LongCat-2.0

↗

Provider prices come from OpenRouter's live listing; going direct to a provider can differ. Subscriptions are the lab's own apps.

## Facts and sources

Released

20 Jul 2026

Announcement

not linked yet

Release entry

LongCat 2.0

Scored as

–

Artificial Analysis index

19

Output speed

–

Hugging Face

[meituan-longcat/LongCat-2.0 ↗](https://huggingface.co/meituan-longcat/LongCat-2.0)

## Meituan releases · around this one

LongCat-Flash

Open

1 SEP 2025

LongCat 2.0

Open

20 JUL 2026

~140 est.

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Source: https://themodelindex.org/models/longcat-2-0/ · The Model Index · data as of 2026-10-01