DeepSeek V3.1 vs GPT-6 Astra
Price, context window & benchmark comparison
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Verdict: DeepSeek V3.1 is 47.1× cheaper than GPT-6 Astra on a typical 3:1 input/output mix. GPT-6 Astra has the larger context window (1.1M vs 164K).
| DeepSeek V3.1 | GPT-6 Astra | |
|---|---|---|
| Input price / 1M | $0.25 | $10.00 |
| Output price / 1M | $0.95 | $50.00 |
| Blended price (3:1) | $0.42 | $20.00 |
| Cached input / 1M | $0.13 | $1.00 |
| Context window | 164K | 1.1M |
| Max output | 33K | 128K |
| Intelligence index | — | 52.7 |
| Coding index | — | 76.9 |
| Providers | — | 6 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | No | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2025-08-21 | 2026-09-04 |
| Retirement | — | — |
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FAQ
Which is cheaper, DeepSeek V3.1 or GPT-6 Astra?
DeepSeek V3.1 is 47.1× cheaper than GPT-6 Astra on a typical 3:1 input/output mix.
DeepSeek V3.1 vs GPT-6 Astra: which has a bigger context window?
DeepSeek V3.1: 163,840 tokens. GPT-6 Astra: 1,050,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: DeepSeek V3.1 ≈ $975.00, GPT-6 Astra ≈ $45,000.
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