News
Anthropic: Claude Writes Over 80% of Its Own Code — and Calls for a Pause Button
Anthropic discloses the numbers: Claude writes >80% of its production code. At the same time, the company argues for the option to pause frontier development.
Claude
Anthropic's Claude model family — organized into Opus (top tier), Sonnet (balanced), and Haiku (fast, affordable), plus the newer Fable and Mythos lines. Strong at agentic work, coding, and long contexts.
News
Claude Fable 5.1 and Mythos 5.1: faster, half the token usage
Anthropic released Claude Fable 5.1 and Mythos 5.1. Base price holds, but cache reads are 75% cheaper and token usage drops by half.
News
Claude Opus 5.5: Fable-Level Performance at an Opus Price, and boostN Already Runs It
Anthropic released Claude Opus 5.5: $4 / $20 per million tokens, about 40% cheaper to run than Opus 5 and ahead of Fable 5.1 on coding benchmarks.
News
Claude Opus 5: Anthropic's New Flagship Bets on Efficiency, Not a Price Cut
Anthropic shipped Opus 5 — same token price as 4.8, and per the vendor near-Fable performance at roughly half the cost per task.
News
Release: Claude Sonnet 5.5 – everything on pricing, benchmarks and how it compares
Anthropic released Claude Sonnet 5.5: $2 / $10 per million tokens, Opus-level benchmarks, but only at max effort. AA index 56 beats Astra.
News
Bombshell: US Government Forces Anthropic to Shut Down Fable 5 and Mythos 5
An export-control directive forced Anthropic to abruptly disable its top models Fable 5 and Mythos 5 for all users on June 12, 2026. Anthropic openly objects.
Blog
AI Recap July 2026: Two Anthropic Models, a Government Review and the Open-Weight Pressure
July 2026 in AI: Sonnet 5 and Opus 5 from Anthropic, GPT-5.6 after a US review, Kimi K3 as open weights, and new GEO controls in Search Console.
Blog
Claude Code: How to enable Fast Mode for Opus 4.6 — and what it costs
Fast Mode for Opus 4.6 is now extra-usage only. Here's how to enable it — and what it really costs you.
Blog
Opus 4.7 hasn't reached the quality level of 4.6 yet — our recommendations
What we see after several weeks on Opus 4.7 in practice — token appetite, overachieving, and concrete levers to push back.
Blog
Prompt Caching in practice: from €280 to €47 per month
Real numbers from a customer setup with Claude Sonnet. What prompt caching delivers, when it pays off — and where the pitfalls are.
Blog
Three Days with Claude Fable 5 — and Why Opus Stays My Daily Driver
Fable 5 fixed a bug in one shot that Opus failed at twice. I'm still not switching. My honest impressions from the trenches after three days.
Blog
98.64 % uptime? It felt like I was blocked 44 % of the time.
Anthropic's status board shows 98.64 % uptime. The per-day stripes tell a different story — and it's the one that matters for your work.
From the encyclopedia
Comparing AI models — who builds what and how to choose LLM Model Families at a Glance Claude Sonnet 5.5 Release September 2026 - All the Info Claude Fable: Anthropic's Top Reasoning Line Claude Haiku: Anthropic's Fast, Low-Cost Line Claude Opus: Anthropic's Pro Tier Explained Claude Sonnet: Anthropic's Balanced Line