Devstral 2 2512 vs Mistral Medium 3.5
API pricing, context, and independently measured performance, side by side. Devstral 2 2512 starts 71% cheaper on input than Mistral Medium 3.5 at list prices.
Devstral 2 2512
Mistral · released Dec 9, 2025
Best input$0.44 / MTok
Best output$2.20 / MTok
Context262K
Providers1
Fastest measured—
Open weightsToolsStructured outputPrompt caching
Mistral Medium 3.5
Mistral · released Apr 30, 2026
Best input$1.50 / MTok
Best output$7.50 / MTok
Context262K
Providers1
Fastest measured4.3s° TTFT · 151 tok/s
VisionToolsReasoningStructured output
Cheapest providers, measuredUSD / MTOK
| MODEL | PROVIDER | INPUT | OUTPUT | TTFT | TPS | SMOKE |
|---|---|---|---|---|---|---|
| Devstral 2 2512 |  Mistral | $0.44 | $2.20 | — | — | — |
| Mistral Medium 3.5 | Mistral | $1.50 | $7.50 | 4.3s° | 151° tok/s | — |
TTFT/TPS: ModelIndex-measured medians (P50, trailing 72h) · 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