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GPT-5.4 vs Grok 4.6
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| Attribute | GPT-5.4 | Grok 4.6 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 157 | 156 |
| Coding | 73 | 90 |
| Math | 86 | 91 |
| Reasoning & Knowledge | 71 | 73 |
| Agentic & Tools | 68 | 95 |
| Specifications | ||
| Developer | OpenAI | xAI |
| Family | GPT | Grok |
| Released | Mar 5, 2026 | Aug 12, 2026 |
| Parameters | — | — |
| Availability | API access | API access |
| Context window | 1.1M | 500K |
| Price — $/M input | $2.50 | $2.00 |
| Price — $/M output | $15.00 | $6.00 |
| Inputs | text, image, file | text, image, file |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | 98% | 99% |
| APEX | 52% | 65% |
| ARC-AGI | 94% | 88% |
| ARC-AGI-2 | 74% | 67% |
| FrontierMath | 48% | — |
| FrontierMath Tier 4 | 27% | — |
| GPQA Diamond | 93% | 94% |
| GSO (code optimization) | 31% | — |
| Humanity's Last Exam | 36% | 43% |
| METR task horizon | 5.7 h | — |
| SciCode | 57% | 56% |
| SimpleQA Verified | 45% | 49% |
| SWE-bench Verified | 77% | — |
| Terminal-Bench | 82% | — |
| WebDev Arena | 1463 | 1618 |
| WeirdML | 78% | 67% |
| τ²-bench | 87% | — |
| SimpleBench | — | 76% |
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.