Topics

Models

Model releases and defaults in Claude Code, including Opus, Sonnet, and Fable, and how to choose or switch the model you run.

Code Review is generally available for Team and Enterprise, ClaudeDevs says

ClaudeDevs says Code Review is now generally available for Claude Team and Enterprise plans.

Oct 16, 2026

Opus 5.5 fast mode is open on the Claude API

On 15 October 2026 at 20:09 UTC, ClaudeDevs said Opus 5.5 fast mode on the Claude Platform has left research preview and the waitlist is gone.

Oct 15, 2026

ClaudeDevs says Sonnet 5.5 cache reads are now $0.10 per million tokens

ClaudeDevs says Sonnet 5.5 cache reads on the Claude Platform are already half price, at $0.10 per million tokens.

Oct 8, 2026

Editorial still life on cream paper: a long ink thread with a terracotta middle runs through a lifted stack of blank project sheets, past an open manuscript beside a hand holding a sage pencil, and ends at closed sage journals, a card with one abstract branching mark, and a small glass vessel.

YouTube

What does Anthropic claim Fable 5.1 will take on?

Anthropic’s launch video says Fable 5.1 can take on more of the work people already assign it, and do the hardest parts of that work better, because of how it handles long multi-step tasks.

Oct 6, 2026

Sonnet 5.5 keeps Sonnet 5's token price and breaks several old parameters

On 28 September 2026, ClaudeDevs said Claude Sonnet 5.5 is out and linked Anthropic's building guide for choosing it beside Opus 5.5, migrating from Sonnet 5, and using it in Claude Code.

Sep 28, 2026

Sonnet 5.5 thinking stays with the account that made it

Sending a Sonnet 5.5 thinking block from a different account does not hand that reasoning to the model, unless the account produced the block or is linked to the one that did.

Sep 28, 2026

Opus 5.5 list prices drop 20% on input and output and 60% on cache reads — Anthropic’s same-token session falls from $3.50 to $2.40

Anthropic’s ClaudeDevs account says Opus 5.5 is 20% cheaper than Opus 5 on input and output tokens and 60% cheaper on cache reads, and points to a blog calculator fed from Claude Code /usage.

Sep 25, 2026

Claude Opus 5.5 is in Claude Code, with a seed-based drawing demo from Anthropic

Anthropic’s Claude account said Claude Opus 5.5 was available on 22 September 2026, showing an algorithmic drawing program credited to @kevin_t_ngo.

Sep 24, 2026