# GPT-5.1-Codex vs Muse Wonder Full

> Side-by-side benchmark comparison for GPT-5.1-Codex and Muse Wonder Full across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-5-1-codex-vs-muse-wonder-full
- Last updated: October 13, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: GPT-5.1-Codex and Muse Wonder Full share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Muse Wonder Full has the lower published output-token price.
- Muse Wonder Full has the larger published context window at 1M.

## Model Snapshot

| Property | GPT-5.1-Codex | Muse Wonder Full |
|----------|----------|----------|
| Creator | OpenAI | Meta |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 400K | 1M |
| Independent public score (not head-to-head) | 50.17 | 74.13 |
| Benchmarks Covered | 4 | 6 |
| Pricing (input/output) | $1.25 / $10.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-5.1-Codex public-lane score: Coming soon
- Muse Wonder Full public-lane score: Coming soon

| Benchmark | GPT-5.1-Codex | Muse Wonder Full | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 49.68% | Coming soon | Coming soon |
| JobBench | 26.2% | 75.3% | Muse Wonder Full |
| Finance Agent v2 | Coming soon | 59.1% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- GPT-5.1-Codex public-lane score: 33.6 (Estimated · #81/148)
- Muse Wonder Full public-lane score: 73.8 (Supported · #5/148)

| Benchmark | GPT-5.1-Codex | Muse Wonder Full | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 13.12% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 85.6% | Coming soon | Coming soon |
| DeepSWE | Coming soon | 79.0% | Coming soon |
| ProgramBench | Coming soon | 59.0% | Coming soon |
| sweMarathon | Coming soon | 57.5% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- GPT-5.1-Codex public-lane score: 73.5 (Unranked · 2 rankable rows)
- Muse Wonder Full public-lane score: 83.4 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- GPT-5.1-Codex public-lane score: 71.3 (Unranked · 1 rankable row)
- Muse Wonder Full public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- GPT-5.1-Codex public-lane score: 51.4 (Estimated · #71/180)
- Muse Wonder Full public-lane score: 77.7 (Supported · #10/180)

| Benchmark | GPT-5.1-Codex | Muse Wonder Full | Winner |
|-----------|-----------|-----------|--------|
| HealthBench Professional | Coming soon | 62.3% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- GPT-5.1-Codex public-lane score: 85.6 (#47/127)
- Muse Wonder Full public-lane score: Coming soon

## FAQ

### Is there enough evidence to pick between GPT-5.1-Codex and Muse Wonder Full?

Not yet. The models share only 1 sourced benchmark row, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [GPT-5.1-Codex vs Muse Wonder](/compare/gpt-5-1-codex-vs-muse-wonder)
- [Muse Wonder Full vs Muse Wonder](/compare/muse-wonder-vs-muse-wonder-full)
- [GPT-5.1-Codex vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gpt-5-1-codex)
- [Muse Wonder Full vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-muse-wonder-full)

## Explore More

- [GPT-5.1-Codex profile](/models/gpt-5-1-codex)
- [Muse Wonder Full profile](/models/muse-wonder-full)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)