DeepSeek V4.1 Flash vs GPT-6 Cyber
Price, context window & benchmark comparison
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Verdict: DeepSeek V4.1 Flash is 343.3× cheaper than GPT-6 Cyber on a typical 3:1 input/output mix. DeepSeek V4.1 Flash has the larger context window (1M vs 922K).
| DeepSeek V4.1 Flash | GPT-6 Cyber | |
|---|---|---|
| Input price / 1M | $0.022 | $20.00 |
| Output price / 1M | $0.40 | $100.00 |
| Blended price (3:1) | $0.12 | $40.00 |
| Cached input / 1M | $0.004 | $2.00 |
| Context window | 1M | 922K |
| Max output | 944K | 128K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 36 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-09-10 | 2026-11-05 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, DeepSeek V4.1 Flash or GPT-6 Cyber?
DeepSeek V4.1 Flash is 343.3× cheaper than GPT-6 Cyber on a typical 3:1 input/output mix.
DeepSeek V4.1 Flash vs GPT-6 Cyber: which has a bigger context window?
DeepSeek V4.1 Flash: 1,048,576 tokens. GPT-6 Cyber: 922,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: DeepSeek V4.1 Flash ≈ $244.00, GPT-6 Cyber ≈ $90,000.
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