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Grok 4.5 vs Solar Open 100B
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| Attribute | Grok 4.5 | Solar Open 100B |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 154 | — |
| Coding | 89 | 4 |
| Math | 84 | — |
| Reasoning & Knowledge | 68 | 8 |
| Agentic & Tools | 74 | 17 |
| Specifications | ||
| Developer | xAI | Upstage |
| Family | Grok | — |
| Released | Jul 8, 2026 | Dec 31, 2025 |
| Parameters | — | 102B |
| Availability | API access | Open weights (restricted use) |
| Context window | 500K | — |
| Price — $/M input | $2.00 | — |
| Price — $/M output | $6.00 | — |
| Inputs | text, image, file | — |
| Outputs | text | — |
| Benchmarks | ||
| AIME 2024/2025 | 98% | — |
| APEX | 34% | — |
| ARC-AGI | 87% | — |
| ARC-AGI-2 | 53% | — |
| GPQA Diamond | 93% | 66% |
| Humanity's Last Exam | 40% | 9% |
| SciCode | 54% | 27% |
| SimpleBench | 70% | — |
| SimpleQA Verified | 54% | — |
| WebDev Arena | 1551 | — |
| WeirdML | 46% | — |
| τ²-bench | — | 48% |
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.