'Doomer takeover = AI winter': Terra 6.1 flops on Terminal-Bench 4.0 vs Sonnet 5.5

mark_k · x · 2026-10-27

markk pans OpenAI's Terra 6.1 release: people expected an Opus 5.5 killer, but the Terminal-Bench 4.0 chart shows GPT-6.1 Terra underperforming Claude Sonnet 5.5 despite higher cost, with GPT-5.6 Terra worse still. He blames a 'doomer takeover' at AI companies for what he calls an instant AI winter.

Related event: OpenAI Launches GPT-6.1 Terra: Computer-Use Agent Model with 50% API Price Cut(34 posts)→

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