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Fable 6.1
watchingNot out yet. Anthropic hasn't released Fable 6.1, and no release date is confirmed. What we know so far: no date; Fable 6 itself is unannounced (latest: 5.1, Sep 1); Reuters: Anthropic weighing a new model before its IPO (Sep 18). Swept every 60 seconds across provider catalogs. The moment it answers on a public API, alerts fire: a text or a call on paid plans the second it's confirmed, then a free Chrome push and email about 15 minutes later.
An email when Fable 6.1 answers on a public API, about 15 minutes after members, plus every frontier launch · no card
Current model in this line
Fable 5.1, live since September 1, 2026 · $10 / $50 per 1M tokens on Anthropic's API · AW Index 90.9.
The official word
We alert on verified API behavior, never on announcements alone — but when Anthropic speaks, it's here: anthropic.com/news ↗
Fable 6.1: quick answers
Is Fable 6.1 out yet?
Not yet. ArtificialWatch has not seen Fable 6.1 answer on any public API it sweeps. The moment it does, subscribers get an alert.
Which model is current until Fable 6.1 ships?
The current model in this line is Fable 5.1 from Anthropic, live since September 1, 2026.
Who makes Fable 6.1?
Anthropic. ArtificialWatch also tracks Claude Haiku 5.5, Claude Sonnet 5.5, Claude Opus 5.5, Fable 5.1, Mythos 5.1, Claude Opus 5, Fable 5 and Claude Sonnet 5 from Anthropic.
More from Anthropic
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<a href="https://artificialwatch.com/model/fable-6-1">Fable 6.1 on ArtificialWatch</a>ArtificialWatch, "Fable 6.1", https://artificialwatch.com/model/fable-6-1Hear when Fable 6.1 drops. Free.
Free: a Chrome push and an email about 15 minutes after it's confirmed on a public API. Members get a text or a phone call the second it lands.
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