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Muse Wonder Full vs Step-3.5-Flash

Muse Wonder Full leads the LLM Stats Score 52.1 to 37.1.

Meta · StepFun · Updated for 2026

Which is better?

Muse Wonder Full leads the overall LLM Stats Score 52.1 to 37.1, ranking #13 overall.

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

Choose Muse Wonder Full

  • overall performance matters — it scores 52.1 and ranks #13 on LLM Stats
  • your work emphasizes coding and agents — it leads those capability indexes
  • you want the most recent training data — it shipped Oct 2026

Choose Step-3.5-Flash

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Muse Wonder Full
Meta
Step-3.5-Flash
StepFun
Core performance indexes
LLM Stats Score
52.1
#13
37.1
#82
Reasoning
38.4
#71
37.1
#80
Coding
41.5
#8
20.3
#109
Agents
38.5
#8
15.4
#98
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$0.10 / M
Output price
— / M
$0.40 / M
Context window
—
65,536

Individual benchmarks

16 reported for Muse Wonder Full · 7 for Step-3.5-Flash

No common benchmarks found

Muse Wonder Full and Step-3.5-Flashdon'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

Context Window

Maximum input and output token capacity

Only Step-3.5-Flash specifies input context (65,536 tokens). Only Step-3.5-Flash specifies output context (8,192 tokens).

Meta
Muse Wonder Full
Input- tokens
Output- tokens
StepFun
Step-3.5-Flash
Input65,536 tokens
Output8,192 tokens
Fri Oct 16 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Muse Wonder Full supports multimodal inputs, whereas Step-3.5-Flash does not.

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

Muse Wonder Full

Text
Images
Audio
Video

Step-3.5-Flash

Text
Images
Audio
Video

License

Usage and distribution terms

Muse Wonder Full is licensed under a proprietary license, while Step-3.5-Flash uses Apache 2.0.

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

Muse Wonder Full

Proprietary

Closed source

Step-3.5-Flash

Apache 2.0

Open weights

Release Timeline

When each model was launched

Muse Wonder Full was released on 2026-10-12, while Step-3.5-Flash was released on 2026-02-02.

Muse Wonder Full is 8 months newer than Step-3.5-Flash.

Muse Wonder Full

Oct 12, 2026

-1 days ago

8mo newer
Step-3.5-Flash

Feb 2, 2026

8 months ago

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

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Muse Wonder Full and Step-3.5-Flash side-by-side, then vote on the output you prefer.

Muse Wonder Full
✓ Preferred
Step-3.5-Flash
Open in Playground

FAQ

Common questions about Muse Wonder Full vs Step-3.5-Flash.

Which is better, Muse Wonder Full or Step-3.5-Flash?

Muse Wonder Full leads the LLM Stats Score 52.1 to 37.1. Muse Wonder Full is made by Meta and Step-3.5-Flash is made by StepFun. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Muse Wonder Full compare to Step-3.5-Flash in benchmarks?

Muse Wonder Full scores MemoryBench: 85.5%, DeepSWE 1.1: 79.0%, OSWorld 2.1 (partial): 78.4%, JobBench: 75.3%, HealthBench Professional: 62.3%. Step-3.5-Flash scores AIME 2025: 97.3%, Tau-bench: 88.2%, LiveCodeBench v6: 86.4%, IMO-AnswerBench: 85.4%, SWE-Bench Verified: 74.4%.

What are the context window sizes for Muse Wonder Full and Step-3.5-Flash?

Muse Wonder Full supports an unknown number of tokens and Step-3.5-Flash supports 66K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Muse Wonder Full and Step-3.5-Flash?

Key differences include LLM Stats Score (52.1 vs 37.1), multimodal support (yes vs no), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Muse Wonder Full and Step-3.5-Flash?

Muse Wonder Full is developed by Meta and Step-3.5-Flash is developed by StepFun.

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