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GLM-5.2 vs Grok 4.5
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| Attribute | GLM-5.2 | Grok 4.5 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 151 | 154 |
| Coding | 86 | 91 |
| Math | 37 | 85 |
| Reasoning & Knowledge | 64 | 70 |
| Agentic & Tools | 91 | 76 |
| Specifications | ||
| Developer | Z.ai (Zhipu AI) | xAI |
| Family | — | Grok |
| Released | Jun 16, 2026 | Jul 8, 2026 |
| Parameters | — | — |
| Availability | Open weights (unrestricted) | API access |
| Context window | 1M | 500K |
| Price — $/M input | $1.10 | $2.00 |
| Price — $/M output | $4.10 | $6.00 |
| Inputs | text | text, image, file |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | 86% | 98% |
| APEX | 36% | 34% |
| ARC-AGI | 77% | 87% |
| ARC-AGI-2 | 23% | 53% |
| GPQA Diamond | 92% | 93% |
| Humanity's Last Exam | 40% | 40% |
| SciCode | 51% | 54% |
| SimpleQA Verified | 38% | 54% |
| SWE-bench Verified | 79% | — |
| WebDev Arena | 1593 | 1551 |
| WeirdML | 70% | 46% |
| τ²-bench | 99% | — |
| SimpleBench | — | 70% |
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.