Verdict: GPT-6 Astra wins OS 2.0 — the shorthand most teams now use for OSWorld 2.0, the long-horizon computer-use benchmark — scoring 72.6% binary completion against Claude Opus 5 at 70.6%, per the Snorkel AI leaderboard . Astra is the right pick if your workload is unattended desktop automation where a failed run costs more than the tokens, and you can accept its access constraints. Opus 5 is the right pick for everyone else, because two points of completion rate does not justify the price g...