I don't get why we're still using one model for every decision
Claude Opus 5.5 is out, and the expensive brain got cheaper overnight. Typical workloads cost 40% less than with Opus 5, while output is over 30% faster the new bill: $4 / 1M input tokens $20 / 1M output tokens
AI Newsreel — Sep 23
1 Opus 5.5 — ~40% cheaper 2 GPT-6 Sol/Luna — half API cost 3 Grok 4.7 — long-horizon 4 Google AX open-sourced 5 DeepMind Institute 6 Apple local AI leap Cost war + standards fight.
The cheapest frontier model just shipped.
Claude dropped Opus 5.5. Same family. Same jobs. 40% less than Opus 5 It works at Fable 5.1 level on most tasks. Codes. Runs the computer. Does the knowledge work. And it is more than 30% faster. The model is not the story. The bill is.
We tested Claude Opus 5.5 for a week.
Some tips: 1. Set a budget and a stopping point. It won't stop on its own, and it'll eat your weekly limit. Tell it what "done" looks like. 2. Ask for the deliverable first. Given 10 minutes for a run of show, it built a data generator and
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