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Will there be no next Fable model (5.2+) release by October 31, 2026?

Source: Credible-reporting consensus · End date Oct 31, 11:59 PM ET · View rules on Polymarket (international site) ↗

The short version

How to read this page

Traders put the chance of no next Fable model (5.2+) release by October 31, 2026 at about 71%.

It rose 5 points today, and there is too little trading near the price to say whether buyers or sellers outnumber the other.

Medium surprise risk: the named source’s announcement settles it, but there is no single official source, so it depends on news reports agreeing.

Describes the price, the order book and the contract rules. Not advice and not a recommendation.

Polymarket prices shown here come from Polymarket’s international site (polymarket.com), which is not available to US residents. Polymarket US is a separate CFTC-regulated venue with its own prices. Prediction market access depends on where you live. Follow each venue’s terms and location rules, and do not use a VPN or other tools to get around them.

The details

Rule note: the announcement countsNo single official source
Fine-print risk
Medium (30/100)
Announced

Pro adds the exact price, today’s change in points, buyers vs sellers in dollars, the price chart and every recorded move. See Pro

  • Official source: settlement runs on Consensus of credible reporting (no single named data provider). Has no single feed: settlement relies on consensus reporting. No recorded moves for this market yet.
  • Fine print: A qualifying official announcement settles Yes; implementation is not required. Deadline: Sat, Oct 31, 2026 (date from market title). If a second venue lists the same question, compare its named source, cutoff time and timezone, and fallback.

Source named: Consensus of credible reporting (not a tracked official feed, no release history)

Standardized read of public order book, official-source and contract-rule data, identical for every viewer. It describes the data and is not a recommendation. The venue’s published rules control settlement.

Live price, chart & buyers vs sellersPro

Pro shows the exact price, the change in points, buyers vs sellers in dollars, the price history and every recorded move here.

See Pro

Will there be no next Fable model (5.2+) release by October 31, 2026?

5-point rule check

Polymarket

Source: Credible-reporting consensus
Fine-print risk: Medium (30/100)
  1. Source
  2. Deadline
  3. Counts as Yes
  4. Backup rules
  5. Other venues
Fine-print risk Medium 30
1.
Who settles it (official source)
Consensus of credible reporting (no single named data provider)
2.
Deadline and time zone
Sat, Oct 31, 2026 (date from market title) America/New_York
3.
What counts as Yes
AnnouncedAn official announcement is enough; implementation is not required. Rule text: "…ce. The release must either be clearly defined and publicly announced by Anthropic as accessible to the general public, or otherw…"
4.
Backup rules (delays, cancellations, revisions)
No fallback or data-provider hierarchy stated in the rules. Trap: if the outcome is unclear at the end date, resolution goes to a UMA Optimistic Oracle proposal and dispute.
5.
Fine print and other venues
Cross-venue & fine-print settlement trap: If a second venue lists the same question, compare its named source, cutoff time and timezone, and fallback; Polymarket disputes go to the UMA Optimistic Oracle while Kalshi follows CFTC-filed contract terms.
Rules text on file (Polymarket)

This market will resolve according to the calendar date (ET) on which Anthropic's next Fable model (5.2+) is made available to the general public. A qualifying model must have a name or model identifier that includes "Fable" and be designated as version 5.2 or higher, regardless of capitalization or surrounding prefixes, suffixes, dates, or descriptors. For example, a version 5.2 or higher named in the same manner as Claude Fable 5 or Claude Fable 5.1 would qualify, including a new whole-number generation such as Claude Fable 6, while models whose name does not include "Fable" or which retain a version designation below 5.2, such as Claude Fable 5.1 or Claude Mythos 5.1, will not qualify. A qualifying model must be launched and publicly accessible, including via open beta or open rolling waitlist signups. A closed beta or any form of private access will not suffice. The release must either be clearly defined and publicly announced by Anthropic as accessible to the general public, or otherwise be made publicly accessible and explicitly labeled on the company's official website. Labeling errors, placeholder text, or version names displayed on the website that do not correspond to a model that is actually accessible to the general public will not qualify. The primary resolution source for this market will be official information from Anthropic, with additional verification from a consensus of credible reporting.

Will there be no next Fable model (5.2+) release by October 31, 2026?: resolution rules & settlement traps · PolyTruth