Anthropic’s rapid Opus iteration cycle drives current trader focus, with Claude Opus 5 launching July 24, 2026, just eight weeks after Opus 4.8 and featuring stronger agentic coding, adaptive thinking, and benchmark gains on tasks like SWE-Bench while holding the same $5/$25 per million token pricing. The subsequent September 1 release of Fable 5.1 and Mythos 5.1, which improved efficiency and long-context performance, has fueled speculation of an Opus 5.2 update in mid-to-late September, supported by credible routing rumors and market-implied odds placing high probability on a release by September 30. Competitive pressure from frontier large language models at other labs, plus Anthropic’s emphasis on verifiable reasoning and reduced safety refusals, reinforces expectations of continued fast cadence in the Opus line. Key near-term catalysts include any official blog post or API documentation update confirming the next version.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$126,372 Vol.
September 30
81%
September 17
15%
September 20
21%
September 24
50%
September 27
71%
October 31
98%
December 31
98%
$126,372 Vol.
September 30
81%
September 17
15%
September 20
21%
September 24
50%
September 27
71%
October 31
98%
December 31
98%
Claude Opus refers to a model by Anthropic explicitly named Opus. Qualifying models include Claude Opus 5.1, Claude Opus 5.5, Opus 6, or any other Opus variants. Models under any other name, such as Sonnet, Haiku, Fable, or Mythos, will not qualify, unless the model is explicitly and officially named Opus by Anthropic.
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 be either clearly defined and publicly announced by Anthropic as being accessible to the general public or otherwise made publicly accessible and explicitly labeled within 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: Aug 17, 2026, 11:04 AM ET
Resolver
0x65070BE91...Claude Opus refers to a model by Anthropic explicitly named Opus. Qualifying models include Claude Opus 5.1, Claude Opus 5.5, Opus 6, or any other Opus variants. Models under any other name, such as Sonnet, Haiku, Fable, or Mythos, will not qualify, unless the model is explicitly and officially named Opus by Anthropic.
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 be either clearly defined and publicly announced by Anthropic as being accessible to the general public or otherwise made publicly accessible and explicitly labeled within 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.
Resolver
0x65070BE91...Anthropic’s rapid Opus iteration cycle drives current trader focus, with Claude Opus 5 launching July 24, 2026, just eight weeks after Opus 4.8 and featuring stronger agentic coding, adaptive thinking, and benchmark gains on tasks like SWE-Bench while holding the same $5/$25 per million token pricing. The subsequent September 1 release of Fable 5.1 and Mythos 5.1, which improved efficiency and long-context performance, has fueled speculation of an Opus 5.2 update in mid-to-late September, supported by credible routing rumors and market-implied odds placing high probability on a release by September 30. Competitive pressure from frontier large language models at other labs, plus Anthropic’s emphasis on verifiable reasoning and reduced safety refusals, reinforces expectations of continued fast cadence in the Opus line. Key near-term catalysts include any official blog post or API documentation update confirming the next version.
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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