Unverified50% confidenceFactExact time
METR's 2025 trial mainly used Cursor Pro paired with early tools such as Claude 3.5 and 3.7 Sonnet.
1
Sources
50%
Confidence
Long-term
Relevance
10/18/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedClaude Sonnet 5.5 is a lightweight complement to Claude Opus 5.5, featuring faster speed and lower cost, positioned for handling everyday tasks within a clearly defined scope.66% similarUnverifiedA hybrid invocation strategy can be adopted: use a lightweight model for high-frequency completion tasks, and invoke Sonnet 5.5 for time-consuming refactoring tasks, in order to optimize costs.63% similar
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