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Claude Opus 4.7 vs Grok 4.5
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| Attribute | Claude Opus 4.7 | Grok 4.5 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 156 | 154 |
| Coding | 94 | 89 |
| Math | 86 | 84 |
| Reasoning & Knowledge | 75 | 68 |
| Agentic & Tools | 73 | 74 |
| Specifications | ||
| Developer | Anthropic | xAI |
| Family | Claude | Grok |
| Released | Apr 16, 2026 | Jul 8, 2026 |
| Parameters | — | — |
| Availability | API access | API access |
| Context window | 1M | 500K |
| Price — $/M input | $5.00 | $2.00 |
| Price — $/M output | $25.00 | $6.00 |
| Inputs | text, image, file | text, image, file |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | 98% | 98% |
| APEX | 34% | 34% |
| ARC-AGI | 94% | 87% |
| ARC-AGI-2 | 76% | 53% |
| FrontierMath | 44% | — |
| FrontierMath Tier 4 | 23% | — |
| GPQA Diamond | 90% | 93% |
| GSO (code optimization) | 44% | — |
| Humanity's Last Exam | 36% | 40% |
| SciCode | 55% | 54% |
| SimpleBench | 63% | 70% |
| SimpleQA Verified | 51% | 54% |
| SWE-bench Verified | 83% | — |
| Terminal-Bench | 80% | — |
| WebDev Arena | 1567 | 1551 |
| WeirdML | 76% | 46% |
| τ²-bench | 89% | — |
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.