GPT-6.1 Terra Is the Cheapest Frontier Model at $0.67 per Successful Task
bindureddy · x · 2026-10-27
bindureddy highlights a frontier model cost-efficiency comparison where GPT-6.1 Terra comes in at $0.670 per successful task — the cheapest among frontier models — with an overall score of 77.2, comparable to Gemini 4 Argon (79.3) and Claude Sonnet 5.5 (80.0).
- Browser use score of 93.1, near the top of the chart
- Claude Fable 5.1 costs $6.904 per task, over 10x Terra's price
- Author calls it a strong fit for personal agents and chatbots
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