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#251

LongCat 2.0

Meituan Release: 2026-07-20 Tested on: 2026-10-01 03:39 meituan/longcat-2.0::none
1.6T total (48B active)MoEOpen source
(high) (medium) (low) (none)

Summary

LongCat 2.0 scores 6.4 on AI BENCHY and ranks #251. It has 10.0 reliability, a 42.0% pass rate, $0.104 total cost, and 8.50s average response time.

What makes LongCat 2.0 unique: It stands out most in Agentic, where it ranks #4, while Puzzle Solving is its weakest area at #17.

Identity note

Owl Alpha was the stealth version of LongCat 2.0.

Model facts

Researched on 2026-08-12

Reported
Parameters
1.6T total (48B active)
Architecture
MoE
Availability
Open source
License
MIT
Parameter source Availability source

Score

6.4

Consistency

9.0

Reliability

10.0

Total Cost (Current Price)

$0.104

Total Output Tokens

17,473

Total Input Tokens

276,199

Input Price

$0.300 / 1M

Output Price

$1.200 / 1M

Cache Read Price

$0.006 / 1M

Cache Write Price

N/A

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Tests Correct

Wrong Tests: 15

Attempt pass rate: 42.0%

Flaky tests

3

Flaky tests had mixed outcomes across runs (at least one pass and one fail).

Response Time (avg)

8.50s

Response Time (max): 81.77s

Response Time (total): 195.60s

Wrong answer: 13 Extra formatting: 1 Invalid tool call: 1

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#251 LongCat 2.0

none
Cost
$0.027
Time
411.7s
Tokens
22,283 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-10-01 03:39 Re-test 6.4 10.0 $0.104 Current run
2026-07-20 16:55 Initial run 6.3 10.0 $0.044 Compare

This run used a different benchmark suite. Keep suite changes in mind when reading historical movement.

Price History

Historical pricing data for this model from OpenRouter.

Date Input Price Output Price Cache Read Price Cache Write Price
2026-08-14 12:51 $0.300 / 1M $1.200 / 1M N/A N/A
2026-10-01 18:33 $0.300 / 1M $1.200 / 1M $0.006 / 1M N/A

Charts

Choose the first model, then click a second model to open a side-by-side page.

Total Output Tokens

Score vs Total Output Tokens

Quick Compare

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Category Breakdown

Category Score Consistency Tests Correct
Agentic 6.1 3.1
Anti-AI Tricks 4.8 10.0
Coding 5.5 10.0
Combined 6.5 10.0
Data parsing and extraction 10.0 10.0
Domain specific 5.3 10.0
General Intelligence 5.0 10.0
Instructions following 6.5 10.0
Puzzle Solving 4.0 5.0
Tool Calling 10.0 10.0
Trivia 3.0 10.0

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