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GPT-5 Codex vs Muse Wonder Full

Muse Wonder Full leads the LLM Stats Score 52.1 to 26.6.

OpenAI · Meta · Updated for 2026

Which is better?

Muse Wonder Full leads the overall LLM Stats Score 52.1 to 26.6, ranking #13 overall.

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

Choose GPT-5 Codex

  • you are already invested in the OpenAI ecosystem

Choose Muse Wonder Full

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

At a glance

The differences that matter most.

GPT-5 Codex
OpenAI
Muse Wonder Full
Meta
Core performance indexes
LLM Stats Score
26.6
#165
52.1
#13
Reasoning
26.4
#163
38.4
#71
Coding
19.1
#119
41.5
#8
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Individual benchmarks

1 reported for GPT-5 Codex · 16 for Muse Wonder Full

No common benchmarks found

GPT-5 Codex and Muse Wonder Fulldon'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

Input capabilities

Documented input modalities across available providers

Muse Wonder Full supports multimodal inputs, whereas GPT-5 Codex does not.

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

GPT-5 Codex

Text
Images
Audio
Video

Muse Wonder Full

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

GPT-5 Codex

Proprietary

Closed source

Muse Wonder Full

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-5 Codex was released on 2025-09-15, while Muse Wonder Full was released on 2026-10-12.

Muse Wonder Full is 13 months newer than GPT-5 Codex.

GPT-5 Codex

Sep 15, 2025

1.1 years ago

Muse Wonder Full

Oct 12, 2026

4 days ago

1.1yr newer

Knowledge Cutoff

When training data ends

GPT-5 Codex has a documented knowledge cutoff of 2024-09-30, while Muse Wonder Full's cutoff date is not specified.

We can confirm GPT-5 Codex's training data extends to 2024-09-30, but cannot make a direct comparison without Muse Wonder Full's cutoff date.

GPT-5 Codex

Sep 2024

Muse Wonder Full

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against GPT-5 Codex and Muse Wonder Full side-by-side, then vote on the output you prefer.

GPT-5 Codex
✓ Preferred
Muse Wonder Full
Open in Playground

FAQ

Common questions about GPT-5 Codex vs Muse Wonder Full.

Which is better, GPT-5 Codex or Muse Wonder Full?

Muse Wonder Full leads the LLM Stats Score 52.1 to 26.6. GPT-5 Codex is made by OpenAI and Muse Wonder Full is made by Meta. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT-5 Codex compare to Muse Wonder Full in benchmarks?

GPT-5 Codex scores SWE-Bench Verified: 74.5%. 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%.

What are the main differences between GPT-5 Codex and Muse Wonder Full?

Key differences include LLM Stats Score (26.6 vs 52.1), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-5 Codex and Muse Wonder Full?

GPT-5 Codex is developed by OpenAI and Muse Wonder Full is developed by Meta.

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