DeepSeek V4 Flash vs DeepSeek V4.1 Flash
DeepSeek V4 Flash (DeepSeek) versus DeepSeek V4.1 Flash (DeepSeek): API pricing, context window, capabilities and uptime, from the same data as each model page, at the SoleAPI default channel price. Input costs 0.65 Credits / M for DeepSeek V4 Flash and 0.65 Credits / M for DeepSeek V4.1 Flash. Context windows are 1M and 1M.
Specs side by side
| Item | DeepSeek V4 Flashdeepseek-v4-flash | DeepSeek V4.1 Flashdeepseek-v4.1-flash |
|---|---|---|
| Input (prompt) · Credits / M | 0.65≈ $0.0981 | 0.65≈ $0.0981 |
| Output (completion) · Credits / M | 2.6≈ $0.392 | 2.6≈ $0.392 |
| Cache read · Credits / M | 0.013 | 0.013 |
| Context window | 1M | 1M |
| Max output | 384K | 384K |
| 7-day uptime | 99.8% | — |
| Latest probe latency | — | — |
| Measured throughput | 73.6 t/s | 130.3 t/s |
| Protocols | Anthropic Messages / OpenAI Responses | Anthropic Messages / OpenAI Responses |
| Sample monthly cost (10M in + 2M out) | 11.7≈ $1.77 | 11.7≈ $1.77 |
Prices are the SoleAPI default channel price in Credits (1 Credit = ¥1); green marks the better side. Uptime and latency come from SoleAPI probes; a dash means the model is not probed yet.
Capabilities
FAQ
Which has the larger context window, DeepSeek V4 Flash or DeepSeek V4.1 Flash?
DeepSeek V4 Flash offers 1M tokens, DeepSeek V4.1 Flash offers 1M tokens.
Can I switch between DeepSeek V4 Flash and DeepSeek V4.1 Flash at any time?
Yes. SoleAPI calls every model with the same API key; switching is just changing the model field in the request, and billing is split per model in one console.
How do the capabilities of DeepSeek V4 Flash and DeepSeek V4.1 Flash differ?
Only DeepSeek V4.1 Flash: Vision. Every other capability is either supported by both or by neither; see the capability table above.
More comparisons
One API key for both DeepSeek V4 Flash and DeepSeek V4.1 Flash
Free credits on sign-up, pay as you go, no monthly fee.