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GLM-5.3-Flash vs GPT-6 Astra
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| Attribute | GLM-5.3-Flash | GPT-6 Astra |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 152 | 169 |
| Coding | 83 | 95 |
| Math | 66 | 96 |
| Reasoning & Knowledge | 56 | 99 |
| Agentic & Tools | — | 96 |
| Specifications | ||
| Developer | Z.ai (Zhipu AI) | OpenAI |
| Family | — | GPT |
| Released | Aug 20, 2026 | Sep 3, 2026 |
| Parameters | 320B | — |
| Availability | Open weights (unrestricted) | API access |
| Context window | 1.3M | 1.1M |
| Price — $/M input | $0.10 | $10.00 |
| Price — $/M output | $0.35 | $50.00 |
| Inputs | text, image, video | file, image, text |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | 94% | 100% |
| GPQA Diamond | 90% | 96% |
| Humanity's Last Exam | 40% | 55% |
| SciCode | 52% | 56% |
| SimpleQA Verified | 32% | 76% |
| WebDev Arena | 1604 | 1797 |
| APEX | — | 47% |
| ARC-AGI | — | 99% |
| ARC-AGI-2 | — | 95% |
| WeirdML | — | 93% |
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.