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GLM-5.3 vs Grok 4.6
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| Attribute | GLM-5.3 | Grok 4.6 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | — | 156 |
| Coding | 95 | 91 |
| Math | — | 93 |
| Reasoning & Knowledge | 85 | 76 |
| Agentic & Tools | — | 89 |
| Specifications | ||
| Developer | Z.ai (Zhipu AI) | xAI |
| Family | — | Grok |
| Released | Aug 14, 2026 | Aug 12, 2026 |
| Parameters | 744B | — |
| Availability | API access | API access |
| Context window | 1M | 500K |
| Price — $/M input | $1.40 | $2.00 |
| Price — $/M output | $4.40 | $6.00 |
| Inputs | text | text, image, file |
| Outputs | text | text |
| Benchmarks | ||
| GPQA Diamond | 92% | 94% |
| Humanity's Last Exam | 42% | 43% |
| SciCode | 56% | 54% |
| AIME 2024/2025 | — | 99% |
| APEX | — | 41% |
| ARC-AGI | — | 88% |
| ARC-AGI-2 | — | 67% |
| SimpleQA Verified | — | 54% |
| WebDev Arena | — | 1631 |
| WeirdML | — | 67% |
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.