AINewsnow

Claude Opus 5.5: A Practical Guide

This story is from 2026-10-21. It is preserved in the archive; the latest stories are on the live feed.

TL;DR Anthropic released Claude Opus 5.5 ( claude-opus-5-5 ) with always-on adaptive thinking, matching Claude Fable 5.1 intelligence at 40% lower operational cost than Opus 5. Model pricing sits at $4.00 per million input tokens and $20.00 per million output tokens, alongside a 60% reduction in pr…

Read the full story at DEV Community — AI ↗

Timeline · 1 report

  1. 2026-10-21 14:47 · DEV Community — AI
    Claude Opus 5.5: A Practical Guide

More stories

  1. Anthropic pitches AI safety bill that may block a model if 50+ people could be killed — TechCrunch AI
  2. Claude flagged 493 security issues across 25 open-source projects, covering 5M+ lines of C, C++, Java, PHP, and Python code; one went unnoticed for 21 years — Techmeme
  3. DeepSeek V4.1 Flash is now available in Token Pass — Vercel Blog
  4. Qwen3.8-Flash-Next 125B Q2_0 on a 24GB M4 Mac mini: ~8.1 tok/s with Strata — r/LocalLLM
  5. Structured outputs for Anthropic Claude models on Amazon Bedrock — AWS Machine Learning Blog
  6. Inception says Mercury 3 beats GPT-6 Luna and Claude Haiku 5.5 at up to 8x the speed — SiliconANGLE AI
  7. How I used ChatGPT Plus to automate email support for a small business – with Claude’s help — ZDNET AI
  8. AI Guardrails Aren’t Stopping Criminal Hackers — Wired AI

Get the daily brief of stories like this at 6:30 every morning →