DeepSeek-V3.2-Exp vs GPT-6 Astra
DeepSeek-V3.2-Exp (DeepSeek) and GPT-6 Astra (OpenAI) compared on benchmarks, pricing, context window, and use-case rankings.
- GPT-6 Astra leads on overall intelligence (ECI 169 vs 145).
- DeepSeek-V3.2-Exp is cheaper on input tokens — $0.27 vs $10.00 per 1M.
- GPT-6 Astra has a larger context window (1.1M vs 164K tokens).
- GPT-6 Astra ranks higher for coding (95th vs 29th percentile).
| Attribute | DeepSeek-V3.2-Exp | GPT-6 Astra |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 145 | 169 |
| Coding | 29 | 95 |
| Math | 37 | 96 |
| Reasoning & Knowledge | 28 | 99 |
| Agentic & Tools | 9 | 96 |
| Specifications | ||
| Developer | DeepSeek | OpenAI |
| Family | DeepSeek | GPT |
| Released | Sep 29, 2025 | Sep 3, 2026 |
| Parameters | — | — |
| Availability | Open weights (unrestricted) | API access |
| Context window | 164K | 1.1M |
| Price — $/M input | $0.27 | $10.00 |
| Price — $/M output | $0.41 | $50.00 |
| Inputs | text | file, image, text |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | 88% | 100% |
| GPQA Diamond | 80% | 96% |
| Humanity's Last Exam | 15% | 55% |
| LiveCodeBench | 79% | — |
| MMLU-Pro | 85% | — |
| SciCode | 38% | 56% |
| WebDev Arena | 1367 | 1797 |
| WeirdML | 39% | 93% |
| τ²-bench | 34% | — |
| APEX | — | 47% |
| ARC-AGI | — | 99% |
| ARC-AGI-2 | — | 95% |
| SimpleQA Verified | — | 76% |
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.
Frequently asked questions
Is DeepSeek-V3.2-Exp better than GPT-6 Astra?
On Epoch AI's Capabilities Index, GPT-6 Astra scores higher (169) than DeepSeek-V3.2-Exp (145). The right pick depends on your task — compare their coding, math, and reasoning scores in the table above.
Which is cheaper, DeepSeek-V3.2-Exp or GPT-6 Astra?
DeepSeek-V3.2-Exp is cheaper on input tokens at $0.27 per million, versus $10.00 (representative OpenRouter pricing).
Which has a larger context window, DeepSeek-V3.2-Exp or GPT-6 Astra?
GPT-6 Astra supports up to 1.1M tokens, compared with 164K for the other.
Which is better for coding, DeepSeek-V3.2-Exp or GPT-6 Astra?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, GPT-6 Astra ranks higher — 95th vs 29th percentile among the models tracked on Model Beat.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.