Claude Fable 5.1 vs DeepSeek V4 Pro 0813
API pricing, context, and independently measured performance, side by side. DeepSeek V4 Pro 0813 starts 93% cheaper on input than Claude Fable 5.1 at list prices.
Claude Fable 5.1
Anthropic · released Sep 1, 2026
Best input$10.00 / MTok
Best output$50.00 / MTok
Context1M
Providers4
Fastest measured—
VisionToolsReasoningStructured outputPrompt caching
DeepSeek V4 Pro 0813
DeepSeek · released Aug 12, 2026
Best input$0.66 / MTok
Best output$1.98 / MTok
Context1.05M
Providers18
Fastest measured0.76s° TTFT · 115 tok/s
Open weightsToolsReasoningStructured outputPrompt caching
Cheapest providers, measuredUSD / MTOK
| MODEL | PROVIDER | INPUT | OUTPUT | TTFT | TPS | SMOKE |
|---|---|---|---|---|---|---|
| Claude Fable 5.1 |  Google | $10.00 | $50.00 | — | — | — |
| Claude Fable 5.1 |  Amazon Bedrock | $10.00 | $50.00 | — | — | — |
| Claude Fable 5.1 |  Anthropic | $10.00 | $50.00 | — | — | — |
| DeepSeek V4 Pro 0813 |  DeepSeek | $0.66 | $1.98 | — | — | 0/5 |
| DeepSeek V4 Pro 0813 | STStreamLake | $1.12 | $3.35 | 3.9s° | 40° tok/s | 5/5 |
| DeepSeek V4 Pro 0813 | GMIGMICloud | $1.12 | $3.37 | 3.2s° | 57° tok/s | 4/5 |
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