The AI arena is free today

Open Superagent

LongCat-Flash-Chat vs Muse Wonder

Muse Wonder leads the LLM Stats Score 47.9 to 19.8. LongCat-Flash-Chat is 15.2x cheaper per token.

Meituan · Meta · Updated for 2026

Which is better?

Muse Wonder leads the overall LLM Stats Score 47.9 to 19.8, ranking #29 overall.

On price, LongCat-Flash-Chat is roughly 15.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Muse Wonder also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose LongCat-Flash-Chat

  • cost matters — it's about 15.2x cheaper per token
  • you need open weights you can self-host or fine-tune

Choose Muse Wonder

  • overall performance matters — it scores 47.9 and ranks #29 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Core performance indexes
19.8
#214
47.9
#29
19.7
#210
33.1
#109
12.3
#161
38.9
#18
9.2
#142
34.1
#24
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.30 / M
$4.00 / M
Output price
$1.20 / M
$20.00 / M
Context window
128,000
1,048,576

Individual benchmarks

16 reported for LongCat-Flash-Chat · 16 for Muse Wonder

No common benchmarks found

LongCat-Flash-Chat and Muse Wonderdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

LongCat-Flash-Chat costs less

For input processing, LongCat-Flash-Chat ($0.30/1M tokens) is 13.3x cheaper than Muse Wonder ($4.00/1M tokens).

For output processing, LongCat-Flash-Chat ($1.20/1M tokens) is 16.7x cheaper than Muse Wonder ($20.00/1M tokens).

In conclusion, Muse Wonder is more expensive than LongCat-Flash-Chat.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Wed Oct 14 2026 • llm-stats.com
Meituan
LongCat-Flash-Chat
Input tokens$0.30
Output tokens$1.20
Best providerMeituan
Meta
Muse Wonder
Input tokens$4.00
Output tokens$20.00
Best providerMeta
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Muse Wonder accepts 1,048,576 input tokens compared to LongCat-Flash-Chat's 128,000 tokens. Only LongCat-Flash-Chat specifies output context (128,000 tokens).

Meituan
LongCat-Flash-Chat
Input128,000 tokens
Output128,000 tokens
Meta
Muse Wonder
Input1,048,576 tokens
Output- tokens
Wed Oct 14 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Muse Wonder supports multimodal inputs, whereas LongCat-Flash-Chat does not.

Muse Wonder can handle both text and other forms of data like images, making it suitable for multimodal applications.

LongCat-Flash-Chat

Text
Images
Audio
Video

Muse Wonder

Text
Images
Audio
Video

License

Usage and distribution terms

LongCat-Flash-Chat is licensed under MIT, while Muse Wonder uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

LongCat-Flash-Chat

MIT

Open weights

Muse Wonder

Proprietary

Closed source

Release Timeline

When each model was launched

LongCat-Flash-Chat was released on 2025-08-29, while Muse Wonder was released on 2026-10-12.

Muse Wonder is 14 months newer than LongCat-Flash-Chat.

LongCat-Flash-Chat

Aug 29, 2025

1.1 years ago

Muse Wonder

Oct 12, 2026

0 days ago

1.1yr newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

LongCat-Flash-Chat is available from Meituan. Muse Wonder is available from Meta Model API.

LongCat-Flash-Chat

meituan logo
Meituan
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M

Muse Wonder

meta logo
Meta
Input Price:Input: $4.00/1MOutput Price:Output: $20.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against LongCat-Flash-Chat and Muse Wonder side-by-side, then vote on the output you prefer.

LongCat-Flash-Chat
✓ Preferred
Muse Wonder
Open in Playground

FAQ

Common questions about LongCat-Flash-Chat vs Muse Wonder.

Which is better, LongCat-Flash-Chat or Muse Wonder?

Muse Wonder leads the LLM Stats Score 47.9 to 19.8. LongCat-Flash-Chat is made by Meituan and Muse Wonder is made by Meta. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does LongCat-Flash-Chat compare to Muse Wonder in benchmarks?

LongCat-Flash-Chat scores MATH-500: 96.4%, MMLU: 89.7%, IFEval: 89.6%, ZebraLogic: 89.3%, HumanEval: 88.4%. Muse Wonder scores MemoryBench: 85.6%, DeepSWE 1.1: 78.8%, OSWorld 2.1 (partial): 72.6%, JobBench: 70.5%, HealthBench Professional: 60.5%.

Is LongCat-Flash-Chat cheaper than Muse Wonder?

LongCat-Flash-Chat is 13.3x cheaper for input tokens. LongCat-Flash-Chat costs $0.30/M input and $1.20/M output via meituan. Muse Wonder costs $4.00/M input and $20.00/M output via meta.

What are the context window sizes for LongCat-Flash-Chat and Muse Wonder?

LongCat-Flash-Chat supports 128K tokens and Muse Wonder supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between LongCat-Flash-Chat and Muse Wonder?

Key differences include LLM Stats Score (19.8 vs 47.9), context window (128K vs 1.0M), input pricing ($0.30 vs $4.00/M), multimodal support (no vs yes), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes LongCat-Flash-Chat and Muse Wonder?

LongCat-Flash-Chat is developed by Meituan and Muse Wonder is developed by Meta.