Muse Wonder vs Muse Wonder 1.0
Humanity's Last Exam Humanity's Last Exam: Very hard expert questions across many fields, written to stump today’s models
Muse Wonder50.1
Muse Wonder 1.0—
Terminal-Bench 4.0 Terminal-Bench 4.0 · source setting 2: Agents use a terminal to complete executable coding, system administration and research tasks in the 4.0 suite
Muse Wonder52
Muse Wonder 1.0—
AutomationBench-AA AutomationBench-AA: Agents orchestrate SaaS workflows through APIs; objectives receive credit only when the task has no guardrail violation
Muse Wonder68.1
Muse Wonder 1.0—
Arena Text · creative writing Arena Text · creative writing: Human pairwise preferences in the stated text vote pool
Muse Wonder1,485
Muse Wonder 1.0—
| Benchmark | Muse Wonder | Muse Wonder 1.0 |
|---|---|---|
| Humanity's Last Exam | 50.1 | — |
| Terminal-Bench 4.0 | 52 | — |
| AutomationBench-AA | 68.1 | — |
| Arena Text · creative writing | 1,485 | — |
Specs
| Spec | Muse Wonder | Muse Wonder 1.0 |
|---|---|---|
| Input, per 1M | $4 | !$4 |
| Output, per 1M | $20 | !$20 |
| Cost per task? | $4.52 | — |
| Speed, tok/s | 161 | — |
| Context | 1M | 1M |
| Weights | Closed | Not verified |
| Released | Oct 2026 | — |
| See images | ✓ | ✓ |
| Read PDFs | ✓ | ✓ |
| Hear audio | ✓ | ✓ |
| Watch video | ✓ | ✓ |
| Call tools | ✓ | ✓ |
| Force a tool call | — | ? |
| Return strict JSON | ✓ | ✓ |
| Search the web | ✓ | ? |
| Run code | ? | ? |
| Use a computer | ? | ? |
What breaks when you switch
Muse Wonder → Muse Wonder 1.0
Nothing known.
Muse Wonder 1.0 → Muse Wonder
Only auto tool_choice is supported›
tool_choice none, required or a named function returns HTTP 400; use auto and handle either a tool call or text.
Search filters return HTTP 400 · Messages API›
allowed_domains, blocked_domains and max_uses return HTTP 400 on Messages search grounding; omit them and use the supported web_search tool.
Manual budget does not set effort · Messages API›
Compatibility budget_tokens does not set reasoning effort; use output_config.effort for depth control.
No Chat Completions search grounding · Chat Completions›
Search grounding is unavailable in Chat Completions; use Responses or Messages.
Reasoning cannot be disabled›
Muse Wonder and Muse Spark do not support disabling reasoning with none; keep reasoning enabled.
Private reasoning still costs tokens›
Private reasoning consumes the output budget and billed output tokens; budget for it even though it is absent from the response body.