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GPT-5.2 vs Grok 4.6
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| Attribute | GPT-5.2 | Grok 4.6 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 153 | 156 |
| Coding | 62 | 90 |
| Math | 77 | 91 |
| Reasoning & Knowledge | 53 | 73 |
| Agentic & Tools | 66 | 95 |
| Specifications | ||
| Developer | OpenAI | xAI |
| Family | GPT | Grok |
| Released | Dec 11, 2025 | Aug 12, 2026 |
| Parameters | — | — |
| Availability | API access | API access |
| Context window | 400K | 500K |
| Price — $/M input | $1.75 | $2.00 |
| Price — $/M output | $14.00 | $6.00 |
| Inputs | file, image, text | text, image, file |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | 96% | 99% |
| APEX | 34% | 65% |
| ARC-AGI | 86% | 88% |
| ARC-AGI-2 | 53% | 67% |
| FrontierMath | 41% | — |
| FrontierMath Tier 4 | 19% | — |
| GDPval (win/tie rate) | 71% | — |
| GPQA Diamond | 91% | 94% |
| GSO (code optimization) | 27% | — |
| Humanity's Last Exam | 28% | 43% |
| LiveCodeBench | 89% | — |
| METR task horizon | 5.9 h | — |
| MMLU-Pro | 87% | — |
| SciCode | 52% | 56% |
| SimpleBench | 46% | 76% |
| SimpleQA Verified | 37% | 49% |
| SWE-bench Verified | 74% | — |
| Terminal-Bench | 65% | — |
| WebDev Arena | 1480 | 1618 |
| WeirdML | 72% | 67% |
| τ²-bench | 85% | — |
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.