Anthropic’s June 9, 2026 launch of Claude Fable 5 and the more capable Claude Mythos 5 established the current baseline for Mythos-class models, which top the company’s lineup above Opus with superior agentic coding, multi-step reasoning, and cybersecurity benchmarks. Traders see the roughly 80-day interval since that release as consistent with Anthropic’s accelerated cadence, driving strong market-implied odds for a follow-on model by late September. Key catalysts include ongoing Project Glasswing expansions, competitive pressure from OpenAI and Google DeepMind frontier releases, and any developer-conference or earnings announcements that could signal internal timelines. Regulatory resolutions around export controls have stabilized access, reducing one source of delay risk, though product cycles in frontier AI remain subject to last-minute safety or capability adjustments.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedNext Mythos-Class Model released by…?
Next Mythos-Class Model released by…?
$325,743 Vol.
Oct 30, 2026
August 31
50%
September 9
78%
September 15
87%
September 30
92%
October 31
96%
$325,743 Vol.
August 31
$111,239 Vol.
50%
September 9
$20,870 Vol.
78%
September 15
$22,536 Vol.
87%
September 30
$126,194 Vol.
92%
October 31
$2,831 Vol.
96%
On June 9, 2026, Anthropic released the Mythos-class model Claude Fable 5.
This market will resolve to "Yes" if Anthropic releases the next Mythos-class model and makes it available to the general public by the listed date (ET). Otherwise, this market will resolve to "No."
Any model whose official name includes “Mythos,” or that Anthropic officially describes as a “Mythos-class” model or similar, will qualify for this market’s resolution.
For this market to resolve to "Yes," the qualifying model (as defined above) 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 be clearly defined and publicly announced by Anthropic as being accessible to the general public.
If a qualifying model is made publicly accessible and labeled with the relevant version name within the company’s official website, this will qualify as “publicly announced”. 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 under the rules will not qualify.
The primary resolution source for this market will be official information from Anthropic; however, a consensus of credible reporting will also be used.Anthropic’s June 9, 2026 launch of Claude Fable 5 and the more capable Claude Mythos 5 established the current baseline for Mythos-class models, which top the company’s lineup above Opus with superior agentic coding, multi-step reasoning, and cybersecurity benchmarks. Traders see the roughly 80-day interval since that release as consistent with Anthropic’s accelerated cadence, driving strong market-implied odds for a follow-on model by late September. Key catalysts include ongoing Project Glasswing expansions, competitive pressure from OpenAI and Google DeepMind frontier releases, and any developer-conference or earnings announcements that could signal internal timelines. Regulatory resolutions around export controls have stabilized access, reducing one source of delay risk, though product cycles in frontier AI remain subject to last-minute safety or capability adjustments.
On June 9, 2026, Anthropic released the Mythos-class model Claude Fable 5.
This market will resolve to "Yes" if Anthropic releases the next Mythos-class model and makes it available to the general public by the listed date (ET). Otherwise, this market will resolve to "No."
Any model whose official name includes “Mythos,” or that Anthropic officially describes as a “Mythos-class” model or similar, will qualify for this market’s resolution.
For this market to resolve to "Yes," the qualifying model (as defined above) 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 be clearly defined and publicly announced by Anthropic as being accessible to the general public.
If a qualifying model is made publicly accessible and labeled with the relevant version name within the company’s official website, this will qualify as “publicly announced”. 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 under the rules will not qualify.
The primary resolution source for this market will be official information from Anthropic; however, a consensus of credible reporting will also be used.
This market will resolve to "Yes" if Anthropic releases the next Mythos-class model and makes it available to the general public by the listed date (ET). Otherwise, this market will resolve to "No."
Any model whose official name includes “Mythos,” or that Anthropic officially describes as a “Mythos-class” model or similar, will qualify for this market’s resolution.
For this market to resolve to "Yes," the qualifying model (as defined above) 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 be clearly defined and publicly announced by Anthropic as being accessible to the general public.
If a qualifying model is made publicly accessible and labeled with the relevant version name within the company’s official website, this will qualify as “publicly announced”. 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 under the rules will not qualify.
The primary resolution source for this market will be official information from Anthropic; however, a consensus of credible reporting will also be used.
Market Opened: Aug 23, 2026, 8:48 AM ET
Volume
$325,743End Date
Oct 1, 2026Market Opened
Aug 23, 2026, 8:48 AM ETResolver
0x65070BE91...On June 9, 2026, Anthropic released the Mythos-class model Claude Fable 5.
This market will resolve to "Yes" if Anthropic releases the next Mythos-class model and makes it available to the general public by the listed date (ET). Otherwise, this market will resolve to "No."
Any model whose official name includes “Mythos,” or that Anthropic officially describes as a “Mythos-class” model or similar, will qualify for this market’s resolution.
For this market to resolve to "Yes," the qualifying model (as defined above) 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 be clearly defined and publicly announced by Anthropic as being accessible to the general public.
If a qualifying model is made publicly accessible and labeled with the relevant version name within the company’s official website, this will qualify as “publicly announced”. 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 under the rules will not qualify.
The primary resolution source for this market will be official information from Anthropic; however, a consensus of credible reporting will also be used.Anthropic’s June 9, 2026 launch of Claude Fable 5 and the more capable Claude Mythos 5 established the current baseline for Mythos-class models, which top the company’s lineup above Opus with superior agentic coding, multi-step reasoning, and cybersecurity benchmarks. Traders see the roughly 80-day interval since that release as consistent with Anthropic’s accelerated cadence, driving strong market-implied odds for a follow-on model by late September. Key catalysts include ongoing Project Glasswing expansions, competitive pressure from OpenAI and Google DeepMind frontier releases, and any developer-conference or earnings announcements that could signal internal timelines. Regulatory resolutions around export controls have stabilized access, reducing one source of delay risk, though product cycles in frontier AI remain subject to last-minute safety or capability adjustments.
On June 9, 2026, Anthropic released the Mythos-class model Claude Fable 5.
This market will resolve to "Yes" if Anthropic releases the next Mythos-class model and makes it available to the general public by the listed date (ET). Otherwise, this market will resolve to "No."
Any model whose official name includes “Mythos,” or that Anthropic officially describes as a “Mythos-class” model or similar, will qualify for this market’s resolution.
For this market to resolve to "Yes," the qualifying model (as defined above) 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 be clearly defined and publicly announced by Anthropic as being accessible to the general public.
If a qualifying model is made publicly accessible and labeled with the relevant version name within the company’s official website, this will qualify as “publicly announced”. 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 under the rules will not qualify.
The primary resolution source for this market will be official information from Anthropic; however, a consensus of credible reporting will also be used.
This market will resolve to "Yes" if Anthropic releases the next Mythos-class model and makes it available to the general public by the listed date (ET). Otherwise, this market will resolve to "No."
Any model whose official name includes “Mythos,” or that Anthropic officially describes as a “Mythos-class” model or similar, will qualify for this market’s resolution.
For this market to resolve to "Yes," the qualifying model (as defined above) 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 be clearly defined and publicly announced by Anthropic as being accessible to the general public.
If a qualifying model is made publicly accessible and labeled with the relevant version name within the company’s official website, this will qualify as “publicly announced”. 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 under the rules will not qualify.
The primary resolution source for this market will be official information from Anthropic; however, a consensus of credible reporting will also be used.
Volume
$325,743End Date
Oct 1, 2026Market Opened
Aug 23, 2026, 8:48 AM ETResolver
0x65070BE91...Anthropic’s June 9, 2026 launch of Claude Fable 5 and the more capable Claude Mythos 5 established the current baseline for Mythos-class models, which top the company’s lineup above Opus with superior agentic coding, multi-step reasoning, and cybersecurity benchmarks. Traders see the roughly 80-day interval since that release as consistent with Anthropic’s accelerated cadence, driving strong market-implied odds for a follow-on model by late September. Key catalysts include ongoing Project Glasswing expansions, competitive pressure from OpenAI and Google DeepMind frontier releases, and any developer-conference or earnings announcements that could signal internal timelines. Regulatory resolutions around export controls have stabilized access, reducing one source of delay risk, though product cycles in frontier AI remain subject to last-minute safety or capability adjustments.
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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