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Fable 5.2

watching99% by Dec 31
AnthropicSOTA scope

Not out yet. Anthropic hasn't released Fable 5.2, and no release date is confirmed. What we know so far: unannounced - armed on Anthropic's point-release cadence, not a leak. Swept every 60 seconds across provider catalogs. The moment it answers on a public API, alerts fire: a free Chrome push the second it's confirmed, a free email about 15 minutes later, texts or a call on paid plans.

An email the second Fable 5.2 answers on a public API, plus every frontier launch · no card

Live release odds

Next Fable (5.2 or later) released by Oct 183%
Next Fable (5.2 or later) released by Oct 2142%
Next Fable (5.2 or later) released by Oct 2268%
Next Fable (5.2 or later) released by Oct 2478%
Next Fable (5.2 or later) released by Oct 3186%
Next Fable (5.2 or later) released by Dec 3199%

via Polymarket · markets are sentiment, not a promise — the alert only fires on a real API answer

Current model in this line

Fable 5.1, live since September 1, 2026 · $10 / $50 per 1M tokens on Anthropic's API · AW Index 91.1.

The official word

We alert on verified API behavior, never on announcements alone — but when Anthropic speaks, it's here: anthropic.com/news ↗

Fable 5.2: quick answers

Is Fable 5.2 out yet?

Not yet. ArtificialWatch has not seen Fable 5.2 answer on any public API it sweeps. The moment it does, subscribers get an alert.

When will Fable 5.2 be released?

The vendor has not shipped it. Polymarket's market on the next Fable (5.2 or later) puts it at 99% by Dec 31 (Polymarket, refreshed every 30 minutes). Markets are sentiment, not a promise.

Which model is current until Fable 5.2 ships?

The current model in this line is Fable 5.1 from Anthropic, live since September 1, 2026.

Who makes Fable 5.2?

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

Claude Haiku 5.5live since 2026-10-07
Claude Sonnet 5.5live since 2026-09-28
Claude Opus 5.5live since 2026-09-22
Fable 5.1live since 2026-09-01
Mythos 5.1live since 2026-09-01
Claude Opus 5live since 2026-07-24
Fable 5live since 2026-07-01
Claude Sonnet 5live since 2026-06-30
sweeping every 60 seconds

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