DeepSeek V4.1 Flash vs Kimi K2.6
API pricing, context, and independently measured performance, side by side. DeepSeek V4.1 Flash starts 71% cheaper on input than Kimi K2.6 at list prices.
DeepSeek V4.1 Flash
DeepSeek · released Sep 10, 2026
Best input$0.15 / MTok
Best output$0.60 / MTok
Context1.05M
Providers18
Fastest measured0.64s° TTFT · 281 tok/s
Open weightsVisionToolsReasoningStructured outputPrompt caching
Kimi K2.6
Moonshot AI · released Apr 20, 2026
Best input$0.516 / MTok
Best output$2.40 / MTok
Context262K
Providers21
Fastest measured0.62s TTFT · 73 tok/s
Open weightsVisionToolsReasoningStructured outputPrompt caching
Cheapest providers, measuredUSD / MTOK
| MODEL | PROVIDER | INPUT | OUTPUT | TTFT | TPS | SMOKE |
|---|---|---|---|---|---|---|
| DeepSeek V4.1 Flash | RERelace | $0.15 | $0.60 | — | — | — |
| DeepSeek V4.1 Flash |  DeepSeek | $0.15 | $0.60 | — | — | — |
| DeepSeek V4.1 Flash | MOMorph | $0.18 | $0.72 | — | — | — |
| Kimi K2.6 | INInceptron | $0.516 | $2.87 | 0.86s° | 80° tok/s | 3/5 |
| Kimi K2.6 | DIDigitalOcean | $0.57 | $2.40 | 1.4s° | 68° tok/s | — |
| Kimi K2.6 | CHChutes | $0.58 | $3.40 | 2.9s° | 33° tok/s | 3/5 |
TTFT/TPS: ModelIndex-measured medians (P50, trailing 21d) · chat10k profile (~10K in / 200 out) · ° = measured via OpenRouter routing (adds a hop) · SMOKE: of 5 programmatic capability probes passed · methodology v1.1 — full details on each model page