GPT-6 Astra vs Muse Wonder Full
MMMU-Pro (vision) MMMU-Pro (vision): College-level questions that require understanding images: charts, diagrams, photos
GPT-6 Astra85.1
Muse Wonder Full—
GDP.pdf · AA all-pass GDP.pdf · AA all-pass: Models reason over professional PDF documents; an attempt passes only when every atomic criterion passes
GPT-6 Astra30.4
Muse Wonder Full32.6
Chartography Chartography: Expert chart reasoning over professional scientific, medical, financial and engineering charts
GPT-6 Astra · max71
Muse Wonder Full—
Arena Document · overall Arena Document · overall: Human pairwise preferences in the stated document vote pool
GPT-6 Astra · max1,467.5
Muse Wonder Full—
Arena Vision · overall Arena Vision · overall: Human pairwise preferences in the stated vision vote pool
GPT-6 Astra · max1,279.9
Muse Wonder Full—
| Benchmark | GPT-6 Astra | Muse Wonder Full |
|---|---|---|
| MMMU-Pro (vision) | 85.1 | — |
| GDP.pdf · AA all-pass | 30.4 | 32.6 |
| Chartography | 71 · max | — |
| Arena Document · overall | 1,467.5 · max | — |
| Arena Vision · overall | 1,279.9 · max | — |
Specs
| Spec | GPT-6 Astra | Muse Wonder Full |
|---|---|---|
| Input, per 1M | $10 | — |
| Output, per 1M | $50 | — |
| Cost per task? | $1.54 | — |
| Speed, tok/s | 59 | — |
| Context | 1.05M | 1M |
| Weights | Closed | Closed |
| Released | Sep 2026 | Oct 2026 |
| See images | ✓ | ✓ |
| Read PDFs | Partial | ? |
| Hear audio | — | ✓ |
| Watch video | — | ✓ |
| Call tools | ✓ | ✓ |
| Force a tool call | Partial | ? |
| Return strict JSON | ✓ | ? |
| Search the web | ✓ | ? |
| Run code | ✓ | ? |
| Use a computer | ✓ | ? |
What breaks when you switch
GPT-6 Astra → Muse Wonder Full
Context: 1.05M → 1M
Only in Muse Code›
Muse Wonder Full requires a Muse Code subscription; max reasoning effort on the Model API Wonder model does not select Full.
Muse Wonder Full → GPT-6 Astra
Monitoring can return HTTP 403›
Misalignment monitoring can return HTTP 403 before streaming or errors after output; match misalignment_policy_violation and handle stream errors.
No none reasoning effort›
The none reasoning effort is unsupported on GPT-6 Astra and GPT-6.1 Sol; use low instead.
Remove unsupported sampling parameters›
When reasoning effort is not none, remove temperature, top_p and top_logprobs, plus Chat Completions logprobs or Responses output logprobs inclusion.