Claude Opus 4.8 vs Muse Spark
Claude Opus 4.8 (Anthropic) and Muse Spark (Meta AI) compared on benchmarks, pricing, context window, and use-case rankings.
- Claude Opus 4.8 leads on overall intelligence (ECI 158 vs 154).
- Claude Opus 4.8 ranks higher for coding (93th vs 79th percentile).
| Attribute | Claude Opus 4.8 | Muse Spark |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 158 | 154 |
| Coding | 93 | 79 |
| Math | 90 | 66 |
| Reasoning & Knowledge | 77 | 84 |
| Agentic & Tools | 86 | 64 |
| Specifications | ||
| Developer | Anthropic | Meta AI |
| Family | Claude | — |
| Released | May 28, 2026 | Apr 8, 2026 |
| Parameters | — | — |
| Availability | API access | API access |
| Context window | 1M | — |
| Price — $/M input | $5.00 | — |
| Price — $/M output | $25.00 | — |
| Inputs | text, image, file | — |
| Outputs | text | — |
| Benchmarks | ||
| AIME 2024/2025 | 98% | 89% |
| APEX | 43% | — |
| ARC-AGI | 93% | — |
| ARC-AGI-2 | 72% | — |
| FrontierMath | 47% | 39% |
| FrontierMath Tier 4 | 31% | 15% |
| GPQA Diamond | 91% | 90% |
| GSO (code optimization) | 47% | — |
| Humanity's Last Exam | 46% | 41% |
| SciCode | 54% | 52% |
| SimpleBench | 65% | — |
| SimpleQA Verified | 40% | 66% |
| WebDev Arena | 1552 | 1513 |
| WeirdML | 83% | — |
| τ²-bench | 94% | 92% |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
Frequently asked questions
Is Claude Opus 4.8 better than Muse Spark?
On Epoch AI's Capabilities Index, Claude Opus 4.8 scores higher (158) than Muse Spark (154). The right pick depends on your task — compare their coding, math, and reasoning scores in the table above.
Which is better for coding, Claude Opus 4.8 or Muse Spark?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Claude Opus 4.8 ranks higher — 93th vs 79th percentile among the models tracked on Model Beat.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.