Anthropic Resets Limits as OpenAI Codex Surges to 9M Users
Anthropic unusually resets both 5-hour and weekly limits, likely responding to OpenAI Codex’s rapid growth and repeated post-5.6 limit resets.
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Anthropic: 2 Ways to Use Fable 5 with Sonnet 5 to Cut Costs
Anthropic shares two common setups: Fable 5 as Advisor or Orchestrator with Sonnet 5 executors—near-top quality at much lower cost.
Anthropic Launches Free Official Claude Prompt Library
Anthropic released a free official prompt library for Claude, covering planning, debugging, code review, security, and automation with clear explanations.
Anthropic Export Restrictions Lifted: Fable 5 Access Restored
Anthropic says U.S. export restrictions are lifted, restoring Fable 5 access. New cybersecurity classifiers, Opus 4.8 delegation, and a jailbreak framework follow.
Claude Sonnet 5 Released: New Default Model, Lower Prices and Limits
Claude Sonnet 5 is now the default for Free and Pro. Quality near Opus 4.8, cheaper pricing through summer, but usage limits were lowered.
Anthropic Launches Claude Tag: AI Teammate for Slack Channels
Claude Tag brings Claude into Slack as a shared AI teammate that can plan tasks, write PRs, analyze data, and act proactively. Beta for Team/Enterprise.
Fable 5 and Mythos 5 Disabled After U.S. Export Control Order
Anthropic disabled Fable 5 and Mythos 5 for all users after a U.S. export control order. Other Claude models remain available; rate limits removed.
Fable 5 and Mythos 5 Disabled: US Export Controls Hit Claude Users
US export controls forced Anthropic to suspend Fable 5 and Mythos 5 for foreign nationals. Other Claude models remain available; limits lifted.
Claude Fable 5: Pricing, Vision Upgrade, Data Retention, Claude Code Access
Anthropic unveils Claude Fable 5/Mythos 5: higher API pricing, major vision gains, 30-day request retention, and limited-time Claude Code access until June 22.
Anthropic Preps Public Launch of New Mythos as Oceanus Leaks
Anthropic’s Oceanus checkpoint hit red teamers ahead of a possible Mythos release, but the program was suspended after alleged resale via a Chinese API proxy.