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π0.6 (pi-0.6) vs Muse Spark
π0.6 (pi-0.6) (Physical Intelligence) and Muse Spark (Meta AI) compared on benchmarks, pricing, context window, and use-case rankings.
| Attribute | π0.6 (pi-0.6) | Muse Spark |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | — | 154 |
| Coding | — | 79 |
| Math | — | 66 |
| Reasoning & Knowledge | — | 84 |
| Agentic & Tools | — | 64 |
| Specifications | ||
| Developer | Physical Intelligence | Meta AI |
| Family | — | — |
| Released | Nov 17, 2025 | Apr 8, 2026 |
| Parameters | 5.3B | — |
| Availability | Unreleased | API access |
| Context window | — | — |
| Price — $/M input | — | — |
| Price — $/M output | — | — |
| Inputs | — | — |
| Outputs | — | — |
| Benchmarks | ||
| AIME 2024/2025 | — | 89% |
| FrontierMath | — | 39% |
| FrontierMath Tier 4 | — | 15% |
| GPQA Diamond | — | 90% |
| Humanity's Last Exam | — | 41% |
| 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.