> Claude Opus 5.5 is our first release since we called for pacing the frontier. Interesting how the very first line is used to remind the reader of their call to pace the frontier just last week, and everything else after that line is to d…
> Communication. Opus 5.5 communicates more naturally than prior models. Early testers found its writing clearer and easier to follow, which addresses some of the common feedback we heard about Opus 5. It puts the most important informatio…
Finally that price drop Prices per 1M tokens Claude Opus 5.5 Claude Opus 5 Cache reads $0.20 $0.50 Input tokens $4 $5 Output tokens $20 $25 Cache writes $5 $6.25 Opus 5 is the model with highest spend on openrouter (https://openrouter.ai/r…
In a previous thread on Mythos 5.1, simonw posted an animated version of his pelican. [0] Using claude.ai and Opus, I asked "create a 3d animation from this" and pasted the animation SIML.[1] I just did that test again. There is significan…