DeepSeek V4 Pro 0813 vs Qwen3.8 Max Prime
API pricing, context, and independently measured performance, side by side. DeepSeek V4 Pro 0813 starts 90% cheaper on input than Qwen3.8 Max Prime at list prices.
DeepSeek V4 Pro 0813
DeepSeek · released Aug 12, 2026
Best input$0.39 / MTok
Best output$1.39 / MTok
Context1.05M
Providers26
Fastest measured0.59s° TTFT · 102 tok/s
Open weightsToolsReasoningStructured outputPrompt caching
Qwen3.8 Max Prime
Qwen · released Sep 23, 2026
Best input$4.00 / MTok
Best output$12.00 / MTok
Context1M
Providers1
Fastest measured—
VisionToolsReasoningStructured outputPrompt caching
Cheapest providers, measuredUSD / MTOK
| MODEL | PROVIDER | INPUT | OUTPUT | TTFT | TPS | SMOKE |
|---|---|---|---|---|---|---|
| DeepSeek V4 Pro 0813 |  Wafer | $0.39 | $2.90 | — | — | — |
| DeepSeek V4 Pro 0813 | SRSail Research | $0.40 | $4.30 | 2.6s° | 28° tok/s | — |
| DeepSeek V4 Pro 0813 |  StreamLake | $0.462 | $1.39 | 2.3s° | 100° tok/s | 5/5 |
| Qwen3.8 Max Prime |  Alibaba | $4.00 | $12.00 | — | — | — |
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