.03 for 85.6th… · AGI Hunt

GPT-6.1 Terra hits GBENCH: $0.03 for 85.6th percentile, OpenAI now owns the Pareto frontier

sandersted · x · 2026-10-28

GBENCH, a benchmark probing real intelligence via complex games, published GPT-6.1 Terra coding results: OpenAI models now dominate the Pareto front, with GPT-6 Astra at 82.9 GScore and GPT-6.1 Sol at 81.6 ranking 1-2, while Terra (75.1, 4th) lands between Claude Opus 5.5 (76.5) and Gemini 4 Argon (72.4) — yet on the cost-efficiency chart Terra hits the 85.6th percentile at just $0.03, an outlier on the frontier. The author still uses Opus 5.5 for about half of coding-assistant work for its more usable behavior.

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