ProgramBench Eval: Claude 3 Opus Incurs a Staggering $50 Cost Per Task

jyangballin · x · 2026-08-13

ProgramBench, a joint effort by Meta Superintelligence Labs, Stanford, and Harvard, has released its full leaderboard, per-task costs, and trajectories.

Data reveals that running Claude 3 Opus is exceptionally expensive, hitting a record high compared to prior models: a single task costs $50.53, takes 257 turns, and outputs 357k tokens.

Related event: Claude Opus 5 Tops ProgramBench but Costs Over $50 Per Task(6 posts)→

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