Anthropic’s rapid iteration on its Fable series drives current trader sentiment, highlighted by the September 1–2, 2026 launch of Claude Fable 5.1 and Mythos 5.1, which delivered measurable gains in coding, agentic workflows, and enterprise unstructured-data tasks over the June 2026 Fable 5 baseline. The earlier Fable 5 faced a brief U.S. export-control suspension before July redeployment, underscoring regulatory risks that could still influence timelines. Competitive pressure from Z.ai’s GLM-5.2, which briefly topped select benchmarks like Design Arena and BridgeBench at a fraction of Fable’s cost, and ongoing releases from OpenAI and Google keep the market focused on who can next deliver a qualifying 5.2+ Mythos-class model to the public. Traders weigh Anthropic’s demonstrated pace against the possibility of faster open-weight or Chinese responses, with resolution hinging on official naming, version thresholds, and general availability by year-end.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedNEW
Oct 31, 2026
October 31
32%
December 31
62%
$0.00 Vol.
October 31
$0 Vol.
32%
December 31
$0 Vol.
62%
This market will resolve to "Yes" if Anthropic's next Fable model (5.2+) is made available to the general public between market creation and the specified date (ET). Otherwise, this market will resolve to "No".
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.Anthropic’s rapid iteration on its Fable series drives current trader sentiment, highlighted by the September 1–2, 2026 launch of Claude Fable 5.1 and Mythos 5.1, which delivered measurable gains in coding, agentic workflows, and enterprise unstructured-data tasks over the June 2026 Fable 5 baseline. The earlier Fable 5 faced a brief U.S. export-control suspension before July redeployment, underscoring regulatory risks that could still influence timelines. Competitive pressure from Z.ai’s GLM-5.2, which briefly topped select benchmarks like Design Arena and BridgeBench at a fraction of Fable’s cost, and ongoing releases from OpenAI and Google keep the market focused on who can next deliver a qualifying 5.2+ Mythos-class model to the public. Traders weigh Anthropic’s demonstrated pace against the possibility of faster open-weight or Chinese responses, with resolution hinging on official naming, version thresholds, and general availability by year-end.
This market will resolve to "Yes" if Anthropic's next Fable model (5.2+) is made available to the general public between market creation and the specified date (ET). Otherwise, this market will resolve to "No".
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.
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.
Market Opened: Sep 2, 2026, 8:11 PM ET
Volume
$0End Date
Dec 31, 2026Market Opened
Sep 2, 2026, 8:11 PM ETResolver
0x65070BE91...This market will resolve to "Yes" if Anthropic's next Fable model (5.2+) is made available to the general public between market creation and the specified date (ET). Otherwise, this market will resolve to "No".
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.Anthropic’s rapid iteration on its Fable series drives current trader sentiment, highlighted by the September 1–2, 2026 launch of Claude Fable 5.1 and Mythos 5.1, which delivered measurable gains in coding, agentic workflows, and enterprise unstructured-data tasks over the June 2026 Fable 5 baseline. The earlier Fable 5 faced a brief U.S. export-control suspension before July redeployment, underscoring regulatory risks that could still influence timelines. Competitive pressure from Z.ai’s GLM-5.2, which briefly topped select benchmarks like Design Arena and BridgeBench at a fraction of Fable’s cost, and ongoing releases from OpenAI and Google keep the market focused on who can next deliver a qualifying 5.2+ Mythos-class model to the public. Traders weigh Anthropic’s demonstrated pace against the possibility of faster open-weight or Chinese responses, with resolution hinging on official naming, version thresholds, and general availability by year-end.
This market will resolve to "Yes" if Anthropic's next Fable model (5.2+) is made available to the general public between market creation and the specified date (ET). Otherwise, this market will resolve to "No".
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.
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.
Volume
$0End Date
Dec 31, 2026Market Opened
Sep 2, 2026, 8:11 PM ETResolver
0x65070BE91...Anthropic’s rapid iteration on its Fable series drives current trader sentiment, highlighted by the September 1–2, 2026 launch of Claude Fable 5.1 and Mythos 5.1, which delivered measurable gains in coding, agentic workflows, and enterprise unstructured-data tasks over the June 2026 Fable 5 baseline. The earlier Fable 5 faced a brief U.S. export-control suspension before July redeployment, underscoring regulatory risks that could still influence timelines. Competitive pressure from Z.ai’s GLM-5.2, which briefly topped select benchmarks like Design Arena and BridgeBench at a fraction of Fable’s cost, and ongoing releases from OpenAI and Google keep the market focused on who can next deliver a qualifying 5.2+ Mythos-class model to the public. Traders weigh Anthropic’s demonstrated pace against the possibility of faster open-weight or Chinese responses, with resolution hinging on official naming, version thresholds, and general availability by year-end.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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