GPT-6.1 Terra vs GPT-6.1 Terra Pro
API pricing, context, and independently measured performance, side by side.
GPT-6.1 Terra
OpenAI · released Oct 26, 2026
Best input$1.00 / MTok
Best output$5.00 / MTok
Context1.05M
Providers3
Fastest measured—
VisionToolsReasoningStructured outputPrompt caching
GPT-6.1 Terra Pro
OpenAI · released Oct 26, 2026
Best input$1.00 / MTok
Best output$5.00 / MTok
Context1.05M
Providers3
Fastest measured—
VisionToolsReasoningStructured outputPrompt caching
Cheapest providers, measuredUSD / MTOK
| MODEL | PROVIDER | INPUT | OUTPUT | TTFT | TPS | SMOKE |
|---|---|---|---|---|---|---|
| GPT-6.1 Terra |  OpenAI | $1.00 | $5.00 | — | — | — |
| GPT-6.1 Terra Pro | OpenAI | $1.00 | $5.00 | — | — | — |