Compare / head-to-head
Claude Sonnet 5vs
Muse Spark
Claude Sonnet 5 leads 5 of 7 shared benchmarks.
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
5 – 2
Claude Sonnet 5 leads
Cheaper per token
—
list price, input + output
Larger context
—
both 1M tokens
Providers
2 providers
Anthropic · Meta
Claude Sonnet 5
Anthropic · released 2026-06-30
textvision
Muse Spark
Meta · released 2026-04-08
textvision
- Context
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- Max out
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- Input /1M
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- Output /1M
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- Cached /1M
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- Scores
- 19 · 8 core
Quality
Benchmark matrix
7 shared · 24 only Claude Sonnet 5 · 11 only Muse Spark| Benchmark | Claude Sonnet 5 | Muse Spark | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 7 | ||||
| SWE-bench Verified | 85.2% ↗ | 77.4% ↗ | +7.8 pt | Claude Sonnet 5 |
| GPQA Diamond | 90.5% ↗epoch run | 89.5% ↗ | +1 pt | Claude Sonnet 5 |
| Humanity's Last Exam (no tools) | 43.2% ↗ | 42.8% ↗ | +0.4 pt | Claude Sonnet 5 |
| LMArena Elo | 1461.8 ↗ | 1489.3 ↗ | -27.5 | Muse Spark |
| Humanity's Last Exam (with tools) | 57.4% ↗ | 50.4% ↗ | +7 pt | Claude Sonnet 5 |
| LMArena Vision (LMArena) | 1264.5 ↗ | 1293.6 ↗ | -29.1 | Muse Spark |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 94.7% ↗epoch run | 88.9% ↗epoch run | +5.8 pt | Claude Sonnet 5 |
| Only Claude Sonnet 5 reports · 24 | ||||
| APEX-Agents (Mercor) | 54.5% ↗ | not reported | — | — |
| Chess Puzzles (Epoch AI run) | 35% ↗epoch run | not reported | — | — |
| DeepSWE v1.1 (Datacurve) | 53.8% ↗ | not reported | — | — |
| FrontierMath Tier 4 v2 (Epoch AI run) | 29.3% ↗epoch run | not reported | — | — |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 65.6% ↗epoch run | not reported | — | — |
| GSO Opt@1 (GSO) | 36.3% ↗ | not reported | — | — |
| LiveBench Agentic Coding (LiveBench) | 59.4% ↗ | not reported | — | — |
| LiveBench Coding (LiveBench) | 80.7% ↗ | not reported | — | — |
| LiveBench Data Analysis (LiveBench) | 71.7% ↗ | not reported | — | — |
| LiveBench Instruction Following (LiveBench) | 63.9% ↗ | not reported | — | — |
| LiveBench Language (LiveBench) | 75% ↗ | not reported | — | — |
| LiveBench Mathematics (LiveBench) | 92.9% ↗ | not reported | — | — |
| LiveBench Reasoning (LiveBench) | 88.7% ↗ | not reported | — | — |
| LMArena Agent (LMArena) | 0.044 ↗ | not reported | — | — |
| LMArena WebDev (LMArena) | 1539.4 ↗ | not reported | — | — |
| Mystery Game Puzzles (Epoch AI run) | 35% ↗epoch run | not reported | — | — |
| SAGE (Vals AI) | 48.9% ↗ | not reported | — | — |
| SimpleBench (SimpleBench) | 60.6% ↗ | not reported | — | — |
| SimpleQA Verified | 33.7% ↗epoch run | not reported | — | — |
| SWE-rebench 2026-05-15 to 2026-07-01 (Nebius) | 56.8% ↗ | not reported | — | — |
| Terminal-Bench 4.0 (Vals AI) | 9.6% ↗ | not reported | — | — |
| Toolathlon-Verified (HKUST) | 71.6% ↗ | not reported | — | — |
| Vending-Bench 2 (Andon Labs) | 6377.7 ↗ | not reported | — | — |
| WeirdML (Håvard Tveit Ihle) | 68.8% ↗ | not reported | — | — |
| Only Muse Spark reports · 11 | ||||
| ARC AGI 2 (Public) | not reported | 42.5% ↗ | — | — |
| CharXiv Reasoning | not reported | 86.4% ↗ | — | — |
| DeepSearchQA | not reported | 74.8% ↗ | — | — |
| HealthBench Hard | not reported | 42.8% ↗ | — | — |
| LiveCodeBench Pro | not reported | 80% ↗ | — | — |
| MedXpertQA (MM) | not reported | 78.4% ↗ | — | — |
| MMMU Pro | not reported | 80.4% ↗ | — | — |
| ScreenSpot Pro (With Python) | not reported | 84.1% ↗ | — | — |
| SimpleVQA | not reported | 71.3% ↗ | — | — |
| SWE-Bench Pro | not reported | 52.4% ↗ | — | — |
| Terminal-Bench 2.0 | not reported | 59% ↗ | — | — |
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Claude Sonnet 5 minus Muse Spark in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | Claude Sonnet 5 | Muse Spark | Edge |
|---|---|---|---|
| Context window | 1M tokens | — | — |
| Max output | 128K tokens | — | — |
| Input price / 1M | $2 ↗ | — | — |
| Output price / 1M | $10 ↗ | — | — |
| Cached input / 1M | $0.2 ↗ | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $12 | — | — |
| Modalities | text · vision | text · vision | Tie |
| Released | 2026-06-30 | 2026-04-08 | — |
| Cited benchmark scores | 36 | 19 | — |
Reliability
Provider status
Live from /statusMore matchups
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Muse Spark vs …
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Which one wins on your data?
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