[whatmodel.sh](../../README.md) / LongCat 2.0 (1.6T-A48B)
# LongCat 2.0 (1.6T-A48B)
Meituan · released 2026-06 · 1600B params (48B active) · mit
**score 71.7** ±1.9 · #63 of 732 · from 7 benchmark results across 2 sources
Score within the [LMArena (text)](https://whatmodel.sh/?set=lmarena-text&score=set) comparison set only.
## What it's good at
● marks LongCat 2.0 (1.6T-A48B) among every model on that task or test, worst to best.
task vs the others rank counts tests
agent tasks ▁▁▃▆█▄▅▅●▄▂▁ #72 of 313* 24% 6
coding not ranked yet — 2
chat & writing ▁▁▁▃▆▄▆█●▇▇▃ #137 of 402* 5.3% 1
math ▁▁▃▅█▆▄█●▂▁▁ #54 of 431* 15% 1
web search ▁▁▁▅▄●▃▄·▁·▁ #40 of 84* 13% 2
agent tasks · #72 of 313 · 24% of its score
Trails [MiMo-V2.5 (310B-A15B)](mimo-v2-5.md), [Qwen3.5 397B-A17B](qwen3-5-397b-a17b.md), [GLM-5.1](glm-5-1.md) here, though they rank lower overall.
test result vs the others in its run difficulty counts why
RWSearch (maker) 78.8% ██●█··█····█ beats 2/5 medium · avg 45% 13% typical
EEGAgentBench overall (tool-based… 44.5% ▂·▁▁··●▇█▂·▁ beats 9/25 hard · avg 28% 11% blunt · at its level
SWE-bench Multilingual (maker) 77.3% ▁··▁▃▁▅█●▂▂▁ beats 51/65 hard · avg 18% — not counted yet: no other model in the …
Terminal-Bench 2.1 (maker) 70.8% ▁·▁·▁▁▄▃▆●▅█ beats 39/63 very hard · avg 7.2% — not counted yet: no other model in the …
BrowseComp (maker) 79.9% ▂·▃▁▂▂▆▅█●▂▄ beats 38/46 very hard · avg 11% — not counted yet: no other model in the …
SWE-bench Pro (maker) 59.5% ▄▂▂▂▄▂▆●·▂·▂ beats 14/16 — not counted yet: no other model in the …
coding · 0.0% of its score
test result vs the others in its run difficulty counts why
SWE-bench Multilingual (maker) 77.3% ▁··▁▃▁▅█●▂▂▁ beats 51/65 hard · avg 18% — not counted yet: no other model in the …
SWE-bench Pro (maker) 59.5% ▄▂▂▂▄▂▆●·▂·▂ beats 14/16 — not counted yet: no other model in the …
chat & writing · #137 of 402 · 5.3% of its score
Trails [LFM2.5 8B-A1B](lfm2-5-8b-a1b.md), [LFM2.5 2.6B](lfm2-5-2-6b.md), [Nemotron-Cascade-8B](nemotron-cascade-8b.md) here, though they rank lower overall.
test result vs the others in its run difficulty counts why
IFEval (aggregation unspecified) … 90.0% █·█●·█···█·█ beats 2/5 easy · avg 72% 5.3% typical
math · #54 of 431 · 15% of its score
Trails [A.X K2 (688B-A33B)](ax-k2.md), [DeepSeek V4 Flash (Preview, Apr 2026)](deepseek-v4-flash-preview.md), [GPT-5](gpt-5.md) here, though they rank lower overall.
test result vs the others in its run difficulty counts why
IMO-AnswerBench (maker) 81.8% ▁▁·▁▁▁▄▆●▄▂▃ beats 28/44 hard · avg 25% 15% typical
web search · #40 of 84 · 13% of its score
Beats [Gemini 3.1 Pro (Preview)](gemini-3-1-pro.md), [Gemini 3.5 Flash](gemini-3-5-flash.md), [Qwen3.7 Max](qwen3-7-max.md) here, though they rank higher overall. Trails [GPT-4o mini (2024-07-18)](gpt-4o-mini-2024-07-18.md), [Mistral Small 3.1 24B (2503)](mistral-small-3-1.md), [Llama 4 Scout (109B-A17B)](llama-4-scout.md) here, though they rank lower overall.
test result vs the others in its run difficulty counts why
RWSearch (maker) 78.8% ██●█··█····█ beats 2/5 medium · avg 45% 13% typical
BrowseComp (maker) 79.9% ▂·▃▁▂▂▆▅█●▂▄ beats 38/46 very hard · avg 11% — not counted yet: no other model in the …
other tests (3)
test result vs the others in its run difficulty counts why
GPQA Diamond (maker) 88.9% ▁▁▁▁▂▄▅▅██●▄ beats 265/322 hard · avg 39% 28% sharp · small run
FORTE (AGI-Eval) (maker) 73.2% ▄···●·····▄█ beats 2/5 medium · avg 38% 14% at its level
WritingBench (maker) 83.8% ▁·▁▂▁··●█▂▂▁ beats 8/20 medium · avg 54% 13% typical
source results share of the score
meituan-longcat/LongCat-2.0 model card … 6 88% ▇▇▇▇▇▇▇▇▇▇▇
EEGAgentBench: Benchmarking LLM Agents … 1 11% ▇
prior: pull toward the middle 2% ▇
weighted average = 71.7
Licences: meituan-longcat/LongCat-2.0 model card ([mit](../../licenses/meituan-longcat--LongCat-2.0.txt)) · EEGAgentBench: Benchmarking LLM Agents on Short- and Long-Horizon EEG Analysis ([CC BY 4.0](https://creativecommons.org/licenses/by/4.0/))
Not counted (4)
source test score why
meituan-longcat/LongC… SWE-bench Pro 59.5% too few models have it yet
meituan-longcat/LongC… BrowseComp 79.9% too few models have it yet
meituan-longcat/LongC… SWE-bench Multilingual 77.3% too few models have it yet
meituan-longcat/LongC… Terminal-Bench 2.1 70.8% too few models have it yet