Opus 5.5 praised as remarkably efficient: top-tier quality at surprisingly good rates
kimmonismus · x · 2026-09-27
kimmonismus says he needs to dig into how Anthropic pulled it off: Opus 5.5 is not only an incredibly good model but also priced incredibly well, making Opus look like an outstandingly efficient model. He wonders how much more efficient Sonnet 5.5 will be if the trend holds.
Related event: Anthropic's Opus 5.5 Praised for Top Capability at Low Cost(2 posts)→
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