Anthropic's Claude Opus 5.5 cuts token prices 20% and cache reads 60%
Read original source →claude.comOpus 5.5 is priced at $4/M input and $20/M output tokens, with cache reads at $0.20/M — 20% cheaper per input/output token and 60% cheaper on cache reads than Opus 5. Anthropic estimates it costs about 40% less to run than Opus 5 for typical token-billed workloads, and says context per request has grown roughly 2.6x in six months.
How this story unfolded
12 days · 39 reports · 151 community posts · 190 of 193 shown
- Sep 22
Anthropic releases Opus 5.5 with lower prices and Fable-level performancetechcrunch.com
Anthropic launches Claude Opus 5.5 with stricter safeguards for cybersecuritytheverge.com
Anthropic releases Opus 5.5 and cuts pricing by 20%. Your agent calls might secretly get routed to an older model.thenewstack.io
Claude Opus 5.5 now available on AI Gatewayvercel.com
Anthropic Unveils More Cost-Efficient Opus 5.5 Model Before IPObloomberg.com
What a task costs on Opus 5.5claude.com
Meet Claude Opus 5.5youtube.com
Introducing Claude Opus 5.5youtube.com
GPS, explained by Claude Opus 5.5youtube.com
Claude Opus 5.5 rebuilds Earthrise in 3D, down to the secondyoutube.com
Claude Opus 5.5 builds daydreams that hold togetheryoutube.com
Claude Opus 5.5 turns graphite into gravityyoutube.com
Claude Opus 5.5 is now available on AWSaws.amazon.com
Anthropic’s New Claude Opus 5.5 Matches Fable at 60% the Pricedecrypt.co
Anthropic releases Claude Opus 5.5, beating Fable 5.1 on key agentic benchmarks at 60% cheaper API priceventurebeat.com
Claude Opus 5.5 wants to finish your coding tasks, not just start themthenewstack.io
Anthropic Releases Claude Opus 5.5: Fable 5.1-Level Performance at 40% Lower Running Cost Than Opus 5marktechpost.com
New Anthropic, OpenAI models make same promise: A little more for a lot less moneyarstechnica.com
Summary of METR's predeployment evaluation of Claude Opus 5.5metr.org
Opus 5.5 Is Crazy Good and GPT-6-Sol Launched Tooyoutube.com
Claude Opus 5.5, GPT-6 Sol, GPT-6 Luna, and a new price warsimonwillison.net
- Sep 23
[AINews] Claude Opus 5.5, the new default model for AINews — and everybody cuts prices 40-50%latent.space
Anthropic made Opus 5.5 cheaper. Then it broke four things your agent depends on.thenewstack.io
Anthropic Unveils Cheaper Claude Opus 5.5 Ahead of Expected IPObloomberg.com
Using Claude Opus 5.5 as your daily driveryoutube.com
Anthropic Actually Fixed Opusyoutube.com
Anthropic launches Claude Opus 5.5 with expanded biology capabilities - MobiHealthNewsnews.google.com
Claude Opus 5.5: The System Cardthezvi.substack.com
- Sep 24
Claude Opus 5.5 AI: A Massive Leap Forwardyoutube.com
I Tested Opus 5.5 vs Fable 5.1 on 7 Real Use Cases (Not Even Close)youtube.com
AI #187: Coming Into Playthezvi.substack.com
Coding sessions are longer and use more context. Claude Opus 5.5 is built with that in mind.claude.com
Opus 5.5: How Close Are We to Automated AI Research?youtube.com
- Sep 25
- Sep 26
- Sep 27
- Sep 28
- Sep 29
- Oct 4
More stories today
Cal AI's influencer army drove $30M in revenue before MyFitness deal
Cal AI generated over $30 million in revenue in two years and was acquired by MyFitness in March for an undisclosed amount. Founder Zach Yadegari, 19, said an early influencer post brought ~1,000 users in two days, prompting him to pay influencers for guaranteed reach.
TechCrunch·57 minutes ago

Liquid AI's d1-ultra decision model lands on Vercel AI Gateway
d1-ultra reads text, images, or both in a single forward pass and returns calibrated probabilities for boolean, choice, and score questions instead of generating text. It supports a 32,768-token context window and is billed on input tokens only, including image input, with no output-token charges.
Vercel Blog·1 hour ago

ChatGPT's Chrome extension can now read your open tabs
With the extension installed, ChatGPT can view open browser tabs when you tag Chrome in its web or desktop app, and ChatGPT Work can control tabs to send messages, fill forms, or download files. OpenAI's ChatGPT Atlas browser is gone.
The Verge·1 hour ago

OpenAI's Greg Brockman: Security Spend Should Vastly Outstrip Software Spend
In a No Priors conversation, OpenAI president Greg Brockman argued security budgets should exceed software budgets. No figures or timelines were given.
YouTube·1 hour ago
Meta Omnilingual ASR named a TIME Best Invention of 2026
AI at Meta·2 hours ago
Reddit user recommends Kroma image model on Civitai
A r/StableDiffusion post calls Kroma, hosted on Civitai, the best image model so far, saying it is good at everything but lacks artist-name knowledge compared with Anima.
r/StableDiffusion·2 hours ago
Claude Code Review exits research preview, now generally available
Code Review is out of research preview for Claude Team and Enterprise plans, with most reviews now finishing about 3x faster (~20 minutes down to 6-10 minutes). Admins pick Quick, Standard or Deep per repository; eligible Enterprise orgs can claim at least $10,000 in credits by January 15, 2027.
Claude Blog·2 hours ago
Perplexity API now available inside Lovable apps
Aravind Srinivas·2 hours ago