DeepSeek V4.1 Flash vs Hy4 preview
Price, context window & benchmark comparison
VS
Compare different models
Verdict: DeepSeek V4.1 Flash is 10.7× cheaper than Hy4 preview on a typical 3:1 input/output mix.
| DeepSeek V4.1 Flash | Hy4 preview | |
|---|---|---|
| Input price / 1M | $0.022 | $0.83 |
| Output price / 1M | $0.40 | $2.50 |
| Blended price (3:1) | $0.12 | $1.25 |
| Cached input / 1M | $0.004 | $0.042 |
| Context window | 1M | 1M |
| Max output | 944K | 64K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 36 | 6 |
| Best provider uptime (30m) | 100.0% | 100.0% |
| Vision input | Yes | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-09-10 | 2026-08-28 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, DeepSeek V4.1 Flash or Hy4 preview?
DeepSeek V4.1 Flash is 10.7× cheaper than Hy4 preview on a typical 3:1 input/output mix.
DeepSeek V4.1 Flash vs Hy4 preview: which has a bigger context window?
DeepSeek V4.1 Flash: 1,048,576 tokens. Hy4 preview: 1,048,576 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: DeepSeek V4.1 Flash ≈ $244.00, Hy4 preview ≈ $2,919.
More comparisons
DeepSeek V4.1 Flash vs Gemini 4 CarbonDeepSeek V4.1 Flash vs Claude Fable 5.2DeepSeek V4.1 Flash vs Gemini Omni 1.2 FlashDeepSeek V4.1 Flash vs Gemini Omni 1.1 FlashDeepSeek V4.1 Flash vs Hy4DeepSeek V4.1 Flash vs GLM 5.3 FlashX LegalDeepSeek V4.1 Flash vs GPT-6.1 TerraDeepSeek V4.1 Flash vs GPT-6.1 Terra ProDeepSeek V4.1 Flash vs Kimi K3.1 ProDeepSeek V4.1 Flash vs MiniMax M3.1 FlashDeepSeek V4.1 Flash vs DeepSeek V4.1 Flash 1017DeepSeek V4.1 Flash vs Nemotron 3.5 Super VLDeepSeek V4.1 Flash vs Gemini 4 ArgonDeepSeek V4.1 Flash vs Claude Haiku 5.5DeepSeek V4.1 Flash vs Nano Banana 2.1DeepSeek V4.1 Flash vs Mistral Large 4Hy4 preview vs Gemini 4 CarbonHy4 preview vs Claude Fable 5.2Hy4 preview vs Gemini Omni 1.2 FlashHy4 preview vs Gemini Omni 1.1 FlashHy4 preview vs Hy4Hy4 preview vs GLM 5.3 FlashX LegalHy4 preview vs GPT-6.1 TerraHy4 preview vs GPT-6.1 Terra Pro