Claude Fable 5.5: what we know and what the leaks say
Anthropic hasn't announced Claude Fable 5.5. Here's what is official today, what the rumors claim, who said it, and the one technical trace found so far.
· 5 min read
Blog
The Retro AI Tracker blog: AI news, explained
Original write-ups of Codex, Claude and wider AI news: what happened, what it means for you, and where it came from. Every claim links to its source, and every post lists its sources at the end. Subscribe via RSS or read how we verify.
Google Gemini 4 Argon: what it is, price and availability
Gemini 4 Argon is Google's new frontier model, broadly available since 13 Oct 2026. Plans, $2/$10 intro API price, scores, and how it compares to Claude.
· 5 min read
Codex usage resets: complete history and how they work
Every Codex usage reset we've tracked since September 2025, month by month, plus what completed, announced and banked resets mean.
· 6 min read
Claude usage limits and resets explained: Pro, Max and Team
How Claude's 5-hour session and weekly limits work on Pro, Max and Team, how Claude Code shares them, and every Anthropic limit reset we've tracked.
· 6 min read
Codex vs Claude Code in 2026: pricing, limits and features
Codex and Claude Code side by side: plan prices, how usage limits work, models, install commands and where each one runs, from official pages only.
· 6 min read
Is Codex or Claude down? How to check official status pages
How to check if Codex, ChatGPT, Claude or Claude Code is down: the official status pages, which components to watch, RSS feeds and status APIs.
· 4 min read
GPT-6 and Intelligent UI in ChatGPT: what changed
What GPT-6 and Intelligent UI change in ChatGPT: interactive answers, answering while thinking, faster search, and who gets which model.
· 4 min read
Claude Haiku 5.5 vs Sonnet 5.5 vs Opus 5.5: which to use
Claude Haiku 5.5, Sonnet 5.5 and Opus 5.5 compared: API prices, speed, effort defaults, context, release dates and Anthropic's own advice on picking one.
· 5 min read
Meta Muse Code: what it is, plans and pricing
Meta's Muse Code coding agent explained: the four plans from $5 to $200 a month, usage multiples, Contributor mode, pay-as-you-go and how to install it.
· 4 min read
Meta launches Muse Wonder: what it is, what it costs, and why people are arguing about it
Meta's new Muse Wonder and Muse Wonder Full models explained: availability, API pricing, independent benchmark scores and the first reactions.
· 5 min read
Codex's 28 days: every improvement and reset so far
Tibo promised Codex users either a clear improvement or a full reset every day for 28 days. Here's what has landed so far, day by day, with links.
· 4 min read
Codex & OpenAI week in review: GPT-6 for everyone, composer predictions, MXC on Windows
GPT-6 with Intelligent UI in ChatGPT, composer predictions, a new Windows sandbox, Ultrafast Sol, Codex CLI 0.161–0.162.1 and Ambassador applications.
· 4 min read
Claude week in review: Haiku 5.5, API credits, Dashboards & Motion, dynamic workflows
Everything Anthropic shipped for Claude users from 6 to 12 October 2026, with links to the official posts and docs.
· 4 min read
Claude Code 2.1.287 → 2.1.296: the changes worth knowing
Ten Claude Code releases in nine days: Claude Mods, Haiku 5.5 as the default Haiku, hook safety fixes, prompt recovery and more. Notable changes only.
· 4 min read
Claude Max and Team now include monthly API credits: how they work
$100 on Max 5x, $200 on Max 20x, up to $500 pooled on Team. What the credits cover, what they don't (Claude Code), and how to claim them.
· 3 min read
Claude Haiku 5.5: Anthropic's cheapest small model gets a big upgrade
Haiku 5.5 costs around 75% less to run than Haiku 4.5, adds effort levels and a 1M context window. Pricing, benchmarks and migration gotchas.
· 4 min read
