Model

gpt-6.1-terra

1 entry · 26 October 2026

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  1. OpenAI releases GPT-6.1 Terra, its cheaper mid-tier model

    API prices of $1 and $5 per million input and output tokens; OpenAI reports 50.3% on Terminal-Bench 4.0 at maximum effort, against 21.5% for GPT-5.6 Terra.

    OpenAIModels & capabilities · Benchmarks & progress