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Kimi K3 vs Muse Wonder

Kimi K3 and Muse Wonder are closely matched at 52.2 and 47.9 on the LLM Stats Score. Kimi K3 is 1.4x cheaper per token.

Moonshot AI · Meta · Updated for 2026

Which is better?

Kimi K3 and Muse Wonder are closely matched on the overall LLM Stats Score at 52.2 and 47.9.

In the 3 individual benchmarks reported for both models, Muse Wonder wins 2; this is a narrower head-to-head signal than the composite indexes.

On price, Kimi K3 is roughly 1.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

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

Choose Kimi K3

  • your work emphasizes reasoning — it leads those capability indexes
  • cost matters — it's about 1.4x cheaper per token
  • you need open weights you can self-host or fine-tune

Choose Muse Wonder

  • you value its reported benchmark strengths — it wins 2 of 3 exact shared results
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Core performance indexes
52.2
#12
47.9
#29
51.4
#9
33.1
#109
40.8
#10
38.9
#18
37.5
#13
34.1
#24
Cost, coverage & limits
Benchmark wins
1 of 3
2 of 3
Input price
$2.85 / M
$4.00 / M
Output price
$14.25 / M
$20.00 / M
Context window
1,048,576
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Kimi K3
Muse Wonder
35.9#10
25.4#53
37.4#6
25.4#52
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

31 reported for Kimi K3 · 16 for Muse Wonder

3 shared

Kimi K3 outperforms in 1 benchmarks (Program Bench), while Muse Wonder is better at 2 benchmarks (DeepSWE 1.1, SWE-Marathon).

Muse Wonder shows notably better performance in the majority of benchmarks.

Tue Oct 13 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Kimi K3 costs less

For input processing, Kimi K3 ($2.85/1M tokens) is 1.4x cheaper than Muse Wonder ($4.00/1M tokens).

For output processing, Kimi K3 ($14.25/1M tokens) is 1.4x cheaper than Muse Wonder ($20.00/1M tokens).

In conclusion, Muse Wonder is more expensive than Kimi K3.*

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

Lowest available price from all providers
Tue Oct 13 2026 • llm-stats.com
Moonshot AI
Kimi K3
Input tokens$2.85
Output tokens$14.25
Best providerDeepinfra
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

Both models have the same input context window of 1,048,576 tokens. Only Kimi K3 specifies output context (1,048,576 tokens).

Moonshot AI
Kimi K3
Input1,048,576 tokens
Output1,048,576 tokens
Meta
Muse Wonder
Input1,048,576 tokens
Output- tokens
Tue Oct 13 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Kimi K3 and Muse Wonder support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Kimi K3

Text
Images
Audio
Video

Muse Wonder

Text
Images
Audio
Video

License

Usage and distribution terms

Kimi K3 is licensed under Kimi K3 License, while Muse Wonder uses a proprietary license.

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

Kimi K3

Kimi K3 License

Open weights

Muse Wonder

Proprietary

Closed source

Release Timeline

When each model was launched

Kimi K3 was released on 2026-07-16, while Muse Wonder was released on 2026-10-12.

Muse Wonder is 3 months newer than Kimi K3.

Kimi K3

Jul 16, 2026

2 months ago

Muse Wonder

Oct 12, 2026

-1 days ago

2mo 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

Kimi K3 is available from DeepInfra, Fireworks, Moonshot AI, Novita, Together. Muse Wonder is available from Meta Model API.

Kimi K3

deepinfra logo
Deepinfra
Input Price:Input: $2.85/1MOutput Price:Output: $14.25/1M
fireworks logo
Fireworks
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
moonshot logo
Unknown Organization
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
novita logo
Novita
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
together logo
Together
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

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 Kimi K3 and Muse Wonder side-by-side, then vote on the output you prefer.

Kimi K3
✓ Preferred
Muse Wonder
Open in Playground

FAQ

Common questions about Kimi K3 vs Muse Wonder.

Which is better, Kimi K3 or Muse Wonder?

Kimi K3 and Muse Wonder are closely matched on the LLM Stats Score at 52.2 and 47.9. Kimi K3 is made by Moonshot AI 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 Kimi K3 compare to Muse Wonder in benchmarks?

Kimi K3 scores MathVision: 97.8%, DeepSearchQA: 95.0%, GPQA: 93.5%, CharXiv-R: 91.3%, BrowseComp: 91.2%. 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 Kimi K3 cheaper than Muse Wonder?

Kimi K3 is 1.4x cheaper for input tokens. Kimi K3 costs $2.85/M input and $14.25/M output via deepinfra. Muse Wonder costs $4.00/M input and $20.00/M output via meta.

What are the context window sizes for Kimi K3 and Muse Wonder?

Kimi K3 supports 1.0M 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 Kimi K3 and Muse Wonder?

Key differences include LLM Stats Score (52.2 vs 47.9), input pricing ($2.85 vs $4.00/M), licensing (Kimi K3 License vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Kimi K3 and Muse Wonder?

Kimi K3 is developed by Moonshot AI and Muse Wonder is developed by Meta.