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CLAUDE OPUS 4.5 ANNOUNCED: PREPARE UPGRADE TESTS
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FIRST_SEEN 2025-12-26
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LAST_SYNC 2025-12-26
[ OVERVIEW ]
Anthropic announced Claude Opus 4.5, described as its most capable Claude model to date. Details are still emerging, but expect a new model identifier and behavior changes that warrant a quick A/B evaluation before switching defaults.
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[ STORY_TIMELINE ]
Claude Opus 4.5 announced: prepare upgrade tests
Anthropic announced Claude Opus 4.5, described as its most capable Claude model to date. Details are still emerging, but expect a new model identifier and behavior changes that warrant a quick A/B evaluation before switching defaults.