Claude Opus 5.5 vs DeepSeek V4 Pro 0813
API pricing, context, and independently measured performance, side by side. DeepSeek V4 Pro 0813 starts 98% cheaper on input than Claude Opus 5.5 at list prices.
Claude Opus 5.5
Anthropic · released Sep 22, 2026
Best input$4.00 / MTok
Best output$20.00 / MTok
Context1M
Providers11
Fastest measured3.1s° TTFT
VisionToolsReasoningStructured outputPrompt caching
DeepSeek V4 Pro 0813
DeepSeek · released Aug 12, 2026
Best input$0.10 / MTok
Best output$1.98 / MTok
Context1.05M
Providers25
Fastest measured0.53s° TTFT · 109 tok/s
Open weightsToolsReasoningStructured outputPrompt caching
Cheapest providers, measuredUSD / MTOK
| MODEL | PROVIDER | INPUT | OUTPUT | TTFT | TPS | SMOKE |
|---|---|---|---|---|---|---|
| Claude Opus 5.5 |  Amazon Bedrock | $4.00 | $20.00 | 4.3s° | 117° tok/s | — |
| Claude Opus 5.5 |  Azure | $4.00 | $20.00 | 3.1s° | — | — |
| Claude Opus 5.5 |  Google | $4.00 | $20.00 | 4s° | — | — |
| DeepSeek V4 Pro 0813 |  Relace | $0.10 | $8.00 | 0.69s° | 136° tok/s | — |
| DeepSeek V4 Pro 0813 |  Wafer | $0.111 | $4.44 | 0.58s° | 169° tok/s | — |
| DeepSeek V4 Pro 0813 |  StreamLake | $0.66 | $1.98 | 1.7s° | 61° tok/s | 5/5 |
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