The top of the coding leaderboard is a tie, not a win. claude opus 5's 97.0% on swe-bench verified…
the top of the coding leaderboard is a tie, not a win. claude opus 5's 97.0% on swe-bench verified sits inside the margin of error with gpt-5.6 sol's 96.2%, and one model family scores 51.9% on one harness and 69.2% on another for the same benchmark. the leader is whoever ships the better scaffold, not the smarter weights.
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The air is now being asked to keep its own ledger
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