Anthropic’s June 2026 launches of Claude Fable 5 (publicly available with guardrails) and the more capable Claude Mythos 5 (restricted to vetted partners) established the Mythos class as a tier above Opus, distinguished by massive scale—roughly 5–10 trillion parameters—and emergent strengths in autonomous coding, zero-day vulnerability discovery, and long-horizon reasoning. Trader sentiment on the timing of the next release centers on Anthropic’s progress expanding safeguards for broader deployment, recent U.S. government approvals that lifted certain export controls in July, and ongoing internal work to mitigate misuse risks in cybersecurity and biology domains. Competitive pressure from other frontier labs and typical quarterly release cadences at Anthropic further shape expectations, with key catalysts including any developer conference announcements or partner expansions before the September resolution window.
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…?
$204,603 Vol.
Oct 30, 2026
August 31
13%
September 9
27%
September 15
51%
September 30
67%
October 31
76%
$204,603 Vol.
August 31
$56,599 Vol.
13%
September 9
$726 Vol.
27%
September 15
$10,806 Vol.
51%
September 30
$94,399 Vol.
67%
October 31
$0 Vol.
76%
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 2026 launches of Claude Fable 5 (publicly available with guardrails) and the more capable Claude Mythos 5 (restricted to vetted partners) established the Mythos class as a tier above Opus, distinguished by massive scale—roughly 5–10 trillion parameters—and emergent strengths in autonomous coding, zero-day vulnerability discovery, and long-horizon reasoning. Trader sentiment on the timing of the next release centers on Anthropic’s progress expanding safeguards for broader deployment, recent U.S. government approvals that lifted certain export controls in July, and ongoing internal work to mitigate misuse risks in cybersecurity and biology domains. Competitive pressure from other frontier labs and typical quarterly release cadences at Anthropic further shape expectations, with key catalysts including any developer conference announcements or partner expansions before the September resolution window.
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
$204,603End 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 2026 launches of Claude Fable 5 (publicly available with guardrails) and the more capable Claude Mythos 5 (restricted to vetted partners) established the Mythos class as a tier above Opus, distinguished by massive scale—roughly 5–10 trillion parameters—and emergent strengths in autonomous coding, zero-day vulnerability discovery, and long-horizon reasoning. Trader sentiment on the timing of the next release centers on Anthropic’s progress expanding safeguards for broader deployment, recent U.S. government approvals that lifted certain export controls in July, and ongoing internal work to mitigate misuse risks in cybersecurity and biology domains. Competitive pressure from other frontier labs and typical quarterly release cadences at Anthropic further shape expectations, with key catalysts including any developer conference announcements or partner expansions before the September resolution window.
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
$204,603End Date
Oct 1, 2026Market Opened
Aug 23, 2026, 8:48 AM ETResolver
0x65070BE91...Anthropic’s June 2026 launches of Claude Fable 5 (publicly available with guardrails) and the more capable Claude Mythos 5 (restricted to vetted partners) established the Mythos class as a tier above Opus, distinguished by massive scale—roughly 5–10 trillion parameters—and emergent strengths in autonomous coding, zero-day vulnerability discovery, and long-horizon reasoning. Trader sentiment on the timing of the next release centers on Anthropic’s progress expanding safeguards for broader deployment, recent U.S. government approvals that lifted certain export controls in July, and ongoing internal work to mitigate misuse risks in cybersecurity and biology domains. Competitive pressure from other frontier labs and typical quarterly release cadences at Anthropic further shape expectations, with key catalysts including any developer conference announcements or partner expansions before the September resolution window.
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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