DeepSeek V4.1-Flash beats V4-Pro on Terminal-Bench at 1/20th the cost of Opus 5
dejavucoder · x · 2026-09-10
Per Cline, DeepSeek V4.1-Flash has beaten V4-Pro 0813 on Terminal-Bench less than a month after its release.
Priced at $0.30/$1.20 per 1M input/output tokens, V4.1-Flash costs roughly 1/20th of Opus 5, 1/17th of GPT-5.6 Sol, and 1/12th of Kimi K3 — while beating all three on Terminal-Bench. The poster also questions why people are still testing on the outdated tb 2.1.
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