Status & outages · ·Primary
Elevated errors affecting Connectors
Status update reported by Anthropic status page: "Elevated errors affecting Connectors." See the original report for full details via the source link below.
Newsroom
Mythos & Fable news
Every tracked story on the Mythos-class models, newest first. Each item is an original summary with a link to its source — we never reproduce source text.
Anthropic CEO Fiercely Hits Back in Lengthy Post: 4 Months of Secret Mythos Development, Voluntarily Cutting Lucrative Revenue Stream for AI Safety
Safety and safeguards coverage from 36Kr: "Anthropic CEO Fiercely Hits Back in Lengthy Post: 4 Months of Secret Mythos Development, Voluntarily Cutting Lucrative Revenue Stream for AI Safety." See the original report for full details via the source link below.
Status & outages · ·Primary
Degraded performance for Claude Fable 5
Status update reported by Anthropic status page: "Degraded performance for Claude Fable 5." See the original report for full details via the source link below.
Fable 5 Returns With Every Power Except The One Hackers Wanted Most
Release coverage from Yellow.com: "Fable 5 Returns With Every Power Except The One Hackers Wanted Most." See the original report for full details via the source link below.
Claude Opus 5 Nearly Matches Fable At Half The Cost, Anthropic Says
Comparison coverage from Yellow.com: "Claude Opus 5 Nearly Matches Fable At Half The Cost, Anthropic Says." See the original report for full details via the source link below.
From Future Warning to Current Reality: The Acceleration of Exploits Following Claude Mythos
Background and explainer coverage from Security Boulevard: "From Future Warning to Current Reality: The Acceleration of Exploits Following Claude Mythos." See the original report for full details via the source link below.
Claude Fable 5.5 Live: Launch Updates, Specs, Benchmarks & Comparisons
Specs and pricing coverage from Kingy AI: "Claude Fable 5.5 Live: Launch Updates, Specs, Benchmarks & Comparisons." See the original report for full details via the source link below.
Claude Fable 5.5 Now Has Two Checkpoints and Still No Vendor Page
Release coverage from OrcaRouter: "Claude Fable 5.5 Now Has Two Checkpoints and Still No Vendor Page." See the original report for full details via the source link below.
Claude Fable 5.5：两个检查点，仍无厂商页面
Release coverage from OrcaRouter: "Claude Fable 5.5：两个检查点，仍无厂商页面." See the original report for full details via the source link below.
Claude Mythos 5 Cuts Quantum Circuit Costs on Eight Benchmark Tasks
Specs and pricing coverage from Technology Org: "Claude Mythos 5 Cuts Quantum Circuit Costs on Eight Benchmark Tasks." See the original report for full details via the source link below.
Fable 5.5 Surprise Launch Confirmed for Tomorrow – Google & OpenAI Fully Gear Up to Meet the New Challenge
Release coverage from 36Kr: "Fable 5.5 Surprise Launch Confirmed for Tomorrow – Google & OpenAI Fully Gear Up to Meet the New Challenge." See the original report for full details via the source link below.
Anthropic’s Claude Mythos 5 Cuts Quantum Gate Count for Elliptic-Curve Operations by 17x
Release coverage from Hokanews: "Anthropic’s Claude Mythos 5 Cuts Quantum Gate Count for Elliptic-Curve Operations by 17x." See the original report for full details via the source link below.
Claude Opus 5.5 vs Mythos 5: Similar Cyber Capability, Very Different Price and Access
Safety and safeguards coverage from The420.in: "Claude Opus 5.5 vs Mythos 5: Similar Cyber Capability, Very Different Price and Access." See the original report for full details via the source link below.
Bank of America Engages Contractors to Address Software Weaknesses Identified by Anthropic’s Mythos
Release coverage from Crowdfund Insider: "Bank of America Engages Contractors to Address Software Weaknesses Identified by Anthropic’s Mythos." See the original report for full details via the source link below.
Anthropic unveils Claude Mythos 5 quantum circuits, up to 39 times more efficient
Background and explainer coverage from Pasquale Pillitteri: "Anthropic unveils Claude Mythos 5 quantum circuits, up to 39 times more efficient." See the original report for full details via the source link below.
Claude Fable 5.5: A Demo Superman de 3 GPUs, com Preço Fora de Alcance
Release coverage from OrcaRouter: "Claude Fable 5.5: A Demo Superman de 3 GPUs, com Preço Fora de Alcance." See the original report for full details via the source link below.
Anthropic Claude Mythos 5 Cuts Quantum Circuit Gates By 17x
Release coverage from TronWeekly: "Anthropic Claude Mythos 5 Cuts Quantum Circuit Gates By 17x." See the original report for full details via the source link below.
Anthropic’s Claude Mythos 5 improves on the best published quantum circuits, and 9 more stories
Background and explainer coverage from Howl.link: "Anthropic’s Claude Mythos 5 improves on the best published quantum circuits, and 9 more stories." See the original report for full details via the source link below.
Claude Mythos 5 Designs Quantum Circuits That Cut Operation Counts, Anthropic Says
Specs and pricing coverage from XenoSpectrum: "Claude Mythos 5 Designs Quantum Circuits That Cut Operation Counts, Anthropic Says." See the original report for full details via the source link below.
Anthropic prepares to release Claude Fable 5.5 next week
Release coverage from TestingCatalog AI News: "Anthropic prepares to release Claude Fable 5.5 next week." See the original report for full details via the source link below.