DeepSeek V4 Pro 0813 vs Kimi K3.1 Pro
API pricing, context, and independently measured performance, side by side. DeepSeek V4 Pro 0813 starts 94% cheaper on input than Kimi K3.1 Pro at list prices.
DeepSeek V4 Pro 0813
DeepSeek · released Aug 12, 2026
Best input$0.119 / MTok
Best output$0.396 / MTok
Context1.05M
Providers24
Fastest measured0.9s° TTFT · 127 tok/s
Open weightsToolsReasoningStructured outputPrompt caching
Kimi K3.1 Pro
Moonshot AI · released Oct 23, 2026
Best input$2.00 / MTok
Best output$10.00 / MTok
Context1.05M
Providers2
Fastest measured—
VisionToolsReasoningStructured outputPrompt caching
Cheapest providers, measuredUSD / MTOK
| MODEL | PROVIDER | INPUT | OUTPUT | TTFT | TPS | SMOKE |
|---|---|---|---|---|---|---|
| DeepSeek V4 Pro 0813 | $0.119 | $8.00 | — | — | — | |
| DeepSeek V4 Pro 0813 | $0.132 | $0.396 | 2.2s° | 45° tok/s | — | |
| DeepSeek V4 Pro 0813 | $0.285 | $4.30 | — | — | — | |
| Kimi K3.1 Pro | $2.00 | $10.00 | — | — | — |
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