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Claude Sonnet 5.5 is now available.

Name: Claude Sonnet 5.5 is now available.
Uploaded: 2026-09-29T07:03:43.000Z
Duration: 1 min 16 s
Description: ・More than 30% faster than Sonnet 5 ・Up to 30% cheaper per job (price list remains the same) ・Development evaluation 10.3% → 70.6% ・Input 2 dollars ・Output 10 dollars / 1 million tokens = half of Opus 5.5 Use Opus for difficult decisions and Sonnet for everyday tasks.

・More than 30% faster than Sonnet 5 ・Up to 30% cheaper per job (price list remains the same) ・Development evaluation 10.3% → 70.6% ・Input 2 dollars ・Output 10 dollars / 1 million tokens = half of Opus 5.5 Use Opus for difficult decisions and Sonnet for everyday tasks.

カツSep 29

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