Muse Spark 1.2 vs Muse Wonder Full
Full profiles: Muse Spark 1.2 (Meta) and Muse Wonder Full (Meta): every benchmark, price and rank.
Updated · Data from 7 sources
As of 24 Oct 2026, Muse Spark 1.2 (xhigh) and Muse Wonder Full (max) are neck and neck on quality (63.2 vs 70.7, inside the ±9.9 margin of error) and close on price, so pick on the category that matters to you. Muse Wonder Full leads in every category we measure both in.
Muse Spark 1.2 benchmarks xhigh Meta Muse Wonder Full benchmarks max MetaOpen in the comparison toolWhich to pick for…
The pick's numbers come first. Category scores on the BenchLeader scale (50 is the average model, 15 points one standard deviation). High confidence means a lead of half a standard deviation or more; under one point is called either.
| Use case | Pick | Why | Confidence |
|---|---|---|---|
| Coding | Muse Wonder Full | 72 vs 55 category score; Arena WebDev 1726 vs 1534 | High |
| Reasoning | Muse Wonder Full | 95 vs 69 category score; CritPt 32.9% vs 17.7% | High |
| Knowledge | Muse Wonder Full | 71 vs 67 category score; AA-Omniscience 30.1 vs 27.2 | Medium |
| Long documents | Muse Wonder Full | 67 vs 65 category score; AA-LCR 83.7% vs 79.0% | Medium |
| Chat quality (human preference) | – | Only Muse Spark 1.2 has an Arena rating (69 category score) | Not comparable |
| High volume on a budget | Neither flagship | A smaller model is usually the better fit: Cheapest good LLMs, Fastest LLMs | – |
Key differences
- Muse Spark 1.2 (xhigh) and Muse Wonder Full (max) are neck and neck on quality (63.2 vs 70.7, within the ±9.9 margin).
- Muse Spark 1.2 (xhigh) is stronger in agents & tools, human preference, maths, multimodal.
- Muse Wonder Full (max) is stronger in coding, composite, knowledge, long context, reasoning.
At a glance
| Spec | Muse Spark 1.2 | Muse Wonder Full |
|---|---|---|
| Developer | Meta | Meta |
| Released | 5 Aug 2026 | 12 Oct 2026 |
| Context window (tokens) | 1,048,576 | 1,000,000 |
| Compared at | Muse Spark 1.2 (xhigh) | Muse Wonder Full (max) |
| Open weights | No | No |
| Price in / out / cached input per 1M | $1.25 / $4.25 / $0.150 | – |
Category by category
Category scores on the BenchLeader scale: 50 is the average evaluated model, 15 points is one standard deviation. A gap under one point is called level.
| Category | Muse Spark 1.2 (xhigh) | Muse Wonder Full (max) | Leader |
|---|---|---|---|
| Reasoning | 69.3 | 94.9 | Muse Wonder Full |
| Coding | 55.2 | 72.3 | Muse Wonder Full |
| Agents & tools | 55.0 | – | not comparable |
| Maths | 67.3 | – | not comparable |
| Knowledge | 66.7 | 71.4 | Muse Wonder Full |
| Human preference | 68.6 | – | not comparable |
| Multimodal | 65.2 | – | not comparable |
| Long context | 64.5 | 67.0 | Muse Wonder Full |
| Composite | 73.8 | 91.9 | Muse Wonder Full |
Where sources disagree
Across the 28 benchmarks both have, Muse Spark 1.2 leads 4, Muse Wonder Full leads 23 and 1 is a tie. Every overall index that rates both puts Muse Wonder Full ahead.
| Overall index | Muse Spark 1.2 (xhigh) | Muse Wonder Full (max) | Leader |
|---|---|---|---|
| BenchLeader Index | 63.2 | 70.7 | neck and neck |
| AA Intelligence Index v4.3.2 | 39.6 | 55.8 | Muse Wonder Full |
Each publisher runs its own tasks, harnesses and effort settings, so their overall verdicts can differ; BenchLeader reconciles them on one scale. † measured at another effort setting of the same model (the publisher did not test the one compared here).
Price, speed and latency
List prices blended at three input tokens per output token. Per-task prices use the token counts on the methodology page; suite cost is what Artificial Analysis paid to run its whole Intelligence Index.
| Measure | Muse Spark 1.2 (xhigh) | Muse Wonder Full (max) |
|---|---|---|
| Blended price per 1M tokens | $2.00 | – |
| Input / output per 1M | $1.25 / $4.25 | – / – |
| Cached input per 1M | $0.150 | – |
| Price per task: chat reply | $0.0018 | – |
| Price per task: summarize a 30-page report | $0.018 | – |
| Price per task: code edit | $0.014 | – |
| Price per task: agentic coding session | $0.092 | – |
| Price per task: structured extraction | $0.0034 | – |
| Cost to run a full benchmark suite | $0.975 | – |
| Output speed | 307 tok/s | – |
| Time to first answer | 17.6 s | – |
| Time to a complete answer | 19.2 s | – |
Each model is compared at its best-ranked reasoning-effort setting. Muse Spark 1.2 (xhigh) scores 63.2 and takes 18 s to its first answer token. Muse Wonder Full (max) scores 70.7. Higher effort means more thinking before the answer: better scores, longer waits and more tokens billed. How reasoning effort changes scores and cost.
Every benchmark
103 benchmarks, grouped by category; each name links to the board and its leaders. † measured at another effort setting of the same model, shown for reference and not counted as a win.
| Metric | Publisher | Muse Spark 1.2 (xhigh) | Muse Wonder Full (max) |
|---|---|---|---|
| BenchLeader Index | BenchLeader | 63.2 | 70.7 |
| Agents & tools score | BenchLeader | 55.0 | – |
| Coding score | BenchLeader | 55.2 | 72.3 |
| Composite score | BenchLeader | 73.8 | 91.9 |
| Human preference score | BenchLeader | 68.6 | – |
| Knowledge score | BenchLeader | 66.7 | 71.4 |
| Long context score | BenchLeader | 64.5 | 67.0 |
| Maths score | BenchLeader | 67.3 | – |
| Multimodal score | BenchLeader | 65.2 | – |
| Reasoning score | BenchLeader | 69.3 | 94.9 |
| Blended price $/M | BenchLeader | $2.00 | – |
| Output speed | BenchLeader | 307 tok/s | – |
| Time to first answer | BenchLeader | 17.6 s | – |
| Context window | BenchLeader | 1,048,576 tokens | 1,000,000 tokens |
| Reasoning | |||
| SimpleBench | SimpleBench | 74.5%† | – |
| Arena Hard Prompts | Arena (LMArena) | 1512 | – |
| LiveBench 2.0 Reasoning | LiveBench | 90.0%† | – |
| LiveBench 1.0 Reasoning | LiveBench | 90.0% | – |
| GPQA Diamond (AA) | Artificial Analysis | 90.4% | – |
| Humanity's Last Exam (AA) | Artificial Analysis | 45.5% | 53.6% |
| CritPt | Artificial Analysis | 17.7% | 32.9% |
| MysteryMechanism | Vals AI | – | 35.1% |
| Chess Puzzles | Epoch AI Benchmarking Hub | 27.0% | – |
| LMCA | Epoch AI Benchmarking Hub | 48.4% | – |
| DTBench | Epoch AI Benchmarking Hub | 94.7% | – |
| Coding | |||
| SciCode | SciCode | 57.4% | – |
| WeirdML | WeirdML | 60.3% | – |
| Arena Coding | Arena (LMArena) | 1541 | – |
| Arena WebDev | Arena (LMArena) | 1534 | 1726 |
| LiveBench 2.0 Coding | LiveBench | 78.2%† | – |
| LiveBench 1.0 Coding | LiveBench | 77.5% | – |
| SciCode (AA) | Artificial Analysis | 57.4% | 62.6% |
| IOI | Vals AI | 21.8% | 79.8% |
| SWE-bench (Vals) | Vals AI | 86.6% | – |
| Code Migration | Vals AI | 29.9% | 61.0% |
| Code Migration v1.1 | Vals AI | – | 62.8% |
| ProgramBench | Vals AI | 0.5% | 0.5% |
| SWE-bench Multimodal | Vals AI | – | 47.3% |
| Vibe Code Bench 1-100 | Vals AI | – | 34.0% |
Show all 103 benchmarks
| Metric | Publisher | Muse Spark 1.2 (xhigh) | Muse Wonder Full (max) |
|---|---|---|---|
| Coding | |||
| Vibe Code Bench v1.1 | Vals AI | 79.1% | 86.0% |
| DeepSWE v1.1 | Epoch AI Benchmarking Hub | 54.9% | – |
| FrontierSWE | Epoch AI Benchmarking Hub | 12.0% | – |
| Terminal-Bench 4.0 (AA) | Artificial Analysis | 7.1% | 57.1% |
| Terminal-Bench 2.1 (AA) | Artificial Analysis | 80.2% | – |
| Startrise Frontend | Startrise | 70.3%† | – |
| FrontierCode 1.1 (AA) | Artificial Analysis | – | 44.9% |
| Agents & tools | |||
| APEX-Agents | Mercor | 45.4%† | – |
| Arena Agent | Arena (LMArena) | -6.8 | – |
| LiveBench Long Agentic | LiveBench | 21.3%† | – |
| LiveBench Browser | LiveBench | 36.0%† | – |
| LiveBench Agentic Coding | LiveBench | 57.6% | – |
| Terminal-Bench 2.1 (Vals) | Vals AI | 69.7% | – |
| GDPval-AA v2.1 | Artificial Analysis | – | 67.8% |
| τ³-Banking (AA) | Artificial Analysis | 34.9% | – |
| CyberBench | Vals AI | 69.5% | 73.6% |
| Finance Agent v2 | Vals AI | 60.6% | 59.1% |
| Finance Agent v2.1 | Vals AI | – | 67.6% |
| Harvey's Legal Agent Benchmark v1.1 | Vals AI | – | 23.3% |
| Harvey's Legal Agent Benchmark v1 | Vals AI | 25.4% | 21.7% |
| Legal Research Bench | Vals AI | 43.8% | 53.4% |
| Robo-bench | Vals AI | – | 10.4% |
| SkillsBench | Vals AI | 53.0% | – |
| SREBench | Vals AI | 0.0% | 11.8% |
| Tax Agent Bench | Vals AI | 32.8% | 43.0% |
| Terminal-Bench 4.0 (Vals) | Vals AI | 6.1% | 58.1% |
| Terminal-Bench Science | Vals AI | – | 37.1% |
| AutomationBench | Artificial Analysis | 40.6% | 71.3% |
| GDP.pdf (AA) | Artificial Analysis | 17.4% | 32.6% |
| Harvey LAB-AA v1.1 | Harvey | – | 13.1% |
| EnterpriseOps-Gym | Artificial Analysis | 47.3% | – |
| AA-Briefcase v1.1 | Artificial Analysis | – | 1729 |
| Terminal-Bench-Science 0.1 (AA) | Artificial Analysis | – | 37.1% |
| Maths | |||
| ProofBench | Vals AI | 43.0%† | – |
| LiveBench Mathematics | LiveBench | 91.2% | – |
| Arena Maths | Arena (LMArena) | 1491 | – |
| Knowledge | |||
| SimpleQA Verified | Epoch AI Benchmarking Hub | 60.3% | – |
| LiveBench 2.0 Data Analysis | LiveBench | 76.5%† | – |
| LiveBench Research | LiveBench | 67.7%† | – |
| LiveBench 1.0 Data Analysis | LiveBench | 76.5% | – |
| AA-Omniscience | Artificial Analysis | 27.2 | 30.1 |
| MMLU-Pro | Vals AI | 88.3% | – |
| LegalBench | Vals AI | 85.3% | 87.4% |
| CorpFin | Vals AI | 70.9% | – |
| TaxEval | Vals AI | 80.4% | – |
| BioMysteryBench | Vals AI | 64.8% | 73.3% |
| Excel Modeling Benchmark | Vals AI | 57.0% | 71.9% |
| Excel Modeling Benchmark v1.1 | Vals AI | – | 75.0% |
| MedCode | Vals AI | 49.4% | 49.9% |
| MedScribe | Vals AI | 90.1% | 89.3% |
| Public Benefits Bench v1.1 | Vals AI | 68.5% | 73.8% |
| GDP.pdf | Epoch AI Benchmarking Hub | 16.0% | – |
| AA-Omniscience: accuracy | Artificial Analysis | 45.4% | 43.2% |
| AA-Omniscience: non-hallucination | Artificial Analysis | 66.7% | 77.0% |
| Instruction following | |||
| LiveBench Language | LiveBench | 78.6% | – |
| LiveBench Instruction Following | LiveBench | 74.3% | – |
| Arena Instruction Following | Arena (LMArena) | 1472 | – |
| Human preference | |||
| Arena Text | Arena (LMArena) | 1491 | – |
| Arena Creative Writing | Arena (LMArena) | 1439 | – |
| Arena Multi-turn | Arena (LMArena) | 1511 | – |
| Arena Longer Queries | Arena (LMArena) | 1488 | – |
| Multimodal | |||
| Arena Vision | Arena (LMArena) | 1304 | – |
| LiveBench Design | LiveBench | 67.1%† | – |
| MMMU-Pro (Vals) | Vals AI | 86.1% | – |
| MortgageTax | Vals AI | 65.4% | – |
| SAGE | Vals AI | 47.7% | – |
| Long context | |||
| AA-LCR | Artificial Analysis | 79.0% | 83.7% |
| MLCR | Artificial Analysis | 7.2% | – |
| Composite | |||
| Epoch Capabilities Index | Epoch AI Benchmarking Hub | 155.1† | – |
| LiveBench 2.0 | LiveBench | 62.4%† | – |
| LiveBench 1.0 | LiveBench | 78.0% | – |
| AA Intelligence Index v4.3.2 | Artificial Analysis | 39.6 | 55.8 |
| Vals Index | Vals AI | – | 66.8 |
| Vals Finance Index | Vals AI | – | 64.5% |
| Vals RSI Index | Vals AI | – | 24.4% |
| Vals Science Index | Vals AI | – | 48.5% |
| Vals Multimodal Index | Vals AI | 69.8%† | – |
| Vals Router Index | Vals AI | – | 66.8%† |
Data as of 2026-10-24. Best configuration of each model; every score links to its source on the model pages.
What changed
- Muse Wonder Full (max): 1 new result (Terminal-Bench-Science 0.1 (AA)).
- Muse Spark 1.2 (xhigh): 1 new result (Harvey's Legal Agent Benchmark v1).
- Muse Wonder Full (max): 9 new results (Code Migration v1.1, Excel Modeling Benchmark v1.1, Finance Agent v2.1…).
- Muse Spark 1.2 (xhigh): 2 score revisions.
- Muse Wonder Full (max): 1 new result (FrontierCode 1.1 (AA)).
- Muse Wonder Full (max): BenchLeader Index 68.6 → 70.7.
- Muse Wonder Full (max): 1 new result (Arena WebDev); 2 score revisions.
- Muse Spark 1.2 (xhigh): BenchLeader Index 62.6 → 63.3.
- Muse Spark 1.2 (xhigh): 4 new results (AutomationBench, GDP.pdf (AA), MLCR…).
- Muse Spark 1.2 (xhigh): 3 new results (Chess Puzzles, ProgramBench, SREBench); 1 score revision.
Related comparisons
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- Muse Spark 1.2 vs Claude Fable 5.1
- Muse Wonder Full vs Claude Opus 5.5
- Muse Wonder Full vs Gemini 4 Argon
- Muse Wonder Full vs Claude Fable 5.1
- Muse Wonder Full vs GPT-6 Astra
- Muse Spark 1.1 vs Muse Wonder Full
Rankings: Best LLM overall · Best LLM for coding · Best LLM for agents · Best cheap LLMs
Muse Spark 1.2 vs Muse Wonder Full: questions
- Is Muse Spark 1.2 better than Muse Wonder Full?
- Muse Spark 1.2 (xhigh) and Muse Wonder Full (max) are neck and neck on quality (63.2 vs 70.7, within the ±9.9 margin). The BenchLeader Index combines every independent quality benchmark; the two are within the margin of error as of 2026-10-24, so check the category scores for your use.
- Is Muse Spark 1.2 better than Muse Wonder Full for coding?
- Muse Wonder Full scores higher in coding (72 vs 55 on the category index, where 50 is average). On Arena WebDev, the top shared coding benchmark, it is 1534 for Muse Spark 1.2 against 1726 for Muse Wonder Full.
- Which is better for long documents?
- Muse Wonder Full scores higher on long-context benchmarks (67 vs 65). Both take about 1M tokens: Muse Spark 1.2 1,048,576, Muse Wonder Full 1,000,000.
- Do independent benchmarks agree on Muse Spark 1.2 vs Muse Wonder Full?
- Across the 28 benchmarks both have, Muse Spark 1.2 leads 4, Muse Wonder Full leads 23 and 1 is a tie. Every overall index that rates both puts Muse Wonder Full ahead.
- When was Muse Wonder Full released?
- Muse Wonder Full was released on 12 Oct 2026.