Claude Opus 5.5 versus Opus 5 on cost, speed and reasoning
The New Stack says Anthropic claims Opus 5.5 is 40% cheaper and 30% faster than Opus 5. On hard reasoning tests, the savings held up, but the speed claim fell short.
TLDR
The New Stack describes Opus 5.5 as cheaper and faster than Opus 5 on reasoning tasks, but not better at them. It says Anthropic claims a 40% price reduction and a 30% speed increase; on hard reasoning tests, the savings held up, while the speed claim fell short.
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