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GPT-5 Pro vs Muse Spark
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| Attribute | GPT-5 Pro | Muse Spark |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 150 | 153 |
| Coding | — | 76 |
| Math | 69 | 64 |
| Reasoning & Knowledge | 52 | 82 |
| Agentic & Tools | — | 63 |
| Specifications | ||
| Developer | OpenAI | Meta AI |
| Family | GPT | — |
| Released | Oct 7, 2025 | Apr 8, 2026 |
| Parameters | — | — |
| Availability | API access | API access |
| Context window | 400K | — |
| Price — $/M input | $15.00 | — |
| Price — $/M output | $120.00 | — |
| Inputs | image, text, file | — |
| Outputs | text | — |
| Benchmarks | ||
| ARC-AGI | 70% | — |
| ARC-AGI-2 | 18% | — |
| FrontierMath Tier 4 | 15% | 15% |
| Humanity's Last Exam | 32% | 41% |
| SimpleBench | 62% | — |
| WeirdML | 60% | — |
| AIME 2024/2025 | — | 89% |
| FrontierMath | — | 39% |
| GPQA Diamond | — | 90% |
| SciCode | — | 52% |
| SimpleQA Verified | — | 66% |
| WebDev Arena | — | 1513 |
| τ²-bench | — | 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.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.