Fable 6
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Not out yet. Anthropic hasn't released Fable 6. There is no announced Fable 6 — no name, date, or specs. “5” is the generation: Mythos is the unrestricted frontier tier, Fable the safeguarded public face of the same model, so Fable 6 means a whole new generation. The point release that used to sit between here and there is no longer a prediction: Fable 5.1 and Mythos 5.1 shipped on Sep 1, 2026 — we detected them at 17:52:22 UTC and confirmed 60 seconds later — which settled the “next Mythos-class model” market and leaves Fable 6 as the open question. Any future Mythos-class launch carries Anthropic’s new commitments — government pre-release testing among them — forged in June’s export-control freeze. The second a new generation answers, ArtificialWatch fires.
Leaks & news, newest first.
The point release came first: Fable 5.1 and Mythos 5.1
Anthropic released Fable 5.1 and Mythos 5.1: Fable 5.1 on the Claude API and AWS, Google Cloud and Azure, Mythos 5.1 restricted to vetted partners, with the list price unchanged at $10/$50. That is the order the Jun 23 analyst roadmap predicted, and it stays inside generation 5. Anthropic has said nothing about Fable 6. via Anthropic · TechCrunch
Fable 5 returns worldwide — with the safeguards that will gate every future launch
Anthropic redeployed Fable 5 globally behind a new safety classifier blocking the reported jailbreak “in over 99% of cases,” and Mythos 5 returned for vetted US organizations. The relaunch came with four forward commitments — including pre-release government evaluation for national-security-relevant models — that now shape how a Fable 6 would ship. via Anthropic · 9to5Google
Export controls lifted — and Sonnet 5 ships the same day
Commerce lifted the directive on Fable 5 and Mythos 5; Anthropic announced the return that evening while also launching Claude Sonnet 5, its cheaper agentic workhorse. The frontier line and the workhorse line now move on separate cadences. via CNBC · Anthropic · TechCrunch
The roadmap read: a hardened “Fable 5.1” likely lands before any Fable 6
An analyst roadmap ranked Anthropic’s likely next moves: restore Fable 5 (done), then a hardened Mythos-class variant “possibly labeled Fable 5.1”, then point-bumps elsewhere — on a ~6–8 week cadence. A prediction, not an Anthropic statement, and this page treats it as one. via AIToolsReview (analyst, unconfirmed)
Generation 5 launches — and gets frozen in 72 hours
Fable 5 and Mythos 5 launched Jun 9 (1M-token context, adaptive thinking) and were suspended Jun 12 under a US export-control directive over a reported jailbreak. The 19-day freeze is chronicled day-by-day on our sister site FableWatch. via Anthropic · FableWatch
The official word.
"Our hope is that this collaboration, along with our proposed consensus industry framework, will serve as the basis for systematic rules for the whole industry."
Anthropic, on the redeployment commitments · Jul 1, 2026 — on Fable 6 itself, Anthropic has said nothing; no date or name exists.
Until Fable 6 ships: Fable 5.1.
Which model is current until Fable 6 ships?
The current model in this line is Fable 5.1 from Anthropic, live since September 1, 2026.
$10 / $50 per 1M tokens on Anthropic's API.
Hear it the second Fable 6 answers.
We sweep Anthropic’s public API every 60 seconds. The moment a next-generation Fable answers, a text or a phone call fires on paid tiers; free email + Chrome push follow about 15 minutes later. Markets and roadmap reads are sentiment; the alert means it’s live.
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