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GLM-5.3 vs GPT-6 Astra
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| Attribute | GLM-5.3 | GPT-6 Astra |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 155 | 169 |
| Coding | 90 | 93 |
| Math | 44 | 91 |
| Reasoning & Knowledge | 67 | 98 |
| Agentic & Tools | 79 | 90 |
| Specifications | ||
| Developer | Z.ai (Zhipu AI) | OpenAI |
| Family | — | GPT |
| Released | Aug 14, 2026 | Sep 3, 2026 |
| Parameters | 744B | — |
| Availability | API access | API access |
| Context window | 1M | 1.1M |
| Price — $/M input | $0.06 | $10.00 |
| Price — $/M output | $2.86 | $50.00 |
| Inputs | text | file, image, text |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | 91% | 100% |
| APEX | 57% | 65% |
| GPQA Diamond | 91% | 96% |
| Humanity's Last Exam | 42% | 55% |
| SciCode | 59% | 56% |
| SimpleQA Verified | 41% | 76% |
| WebDev Arena | 1614 | 1800 |
| WeirdML | 75% | 94% |
| ARC-AGI | — | 99% |
| ARC-AGI-2 | — | 95% |
| GSO (code optimization) | — | 79% |
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.