GPT-5.6 Sol (med) dominates interactive coding agent benchmarks

steipete · x · 2026-08-31

Charts indicate GPT-5.6 Sol (med) is currently the top model for interactive coding agent sessions. It is 5x faster per task and 10x cheaper than Fable. Surprisingly, it completes tasks faster than Flash 3.7 despite having roughly 6x lower tokens per second throughput.

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