Anthropic released Claude Sonnet 5 on June 30, 2026, positioning it as the most agentic Sonnet model to date with major gains in coding, tool use, adaptive thinking, a 1M-token context window, and higher-resolution vision at mid-tier pricing. This followed Sonnet 4.6 in February 2026 and reflected Anthropic’s pattern of roughly 4–5 month intervals between major Sonnet updates during the 4.x series. With no subsequent Sonnet announcements or credible leaks reported since the June launch, trader sentiment centers on historical cadence, internal development timelines, and competitive pressure from rivals like OpenAI and Google. Key upcoming catalysts include potential point releases, earnings commentary, or developer conferences that could signal the next iteration’s window.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedNext Claude Sonnet released by...?
August 31
<1%
October 31
60%
December 31
85%
$4,054 Vol.
August 31
<1%
October 31
60%
December 31
85%
Claude Sonnet refers to a model by Anthropic explicitly named Sonnet. Qualifying models include Claude Sonnet 5.1, Claude Sonnet 5.5, Sonnet 6, or any other Sonnet variants. Models under any other name, such as Opus, Haiku, Fable, or Mythos, will not qualify, unless the model is explicitly and officially named Sonnet 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: Jul 1, 2026, 6:46 PM ET
Resolver
0x65070BE91...Claude Sonnet refers to a model by Anthropic explicitly named Sonnet. Qualifying models include Claude Sonnet 5.1, Claude Sonnet 5.5, Sonnet 6, or any other Sonnet variants. Models under any other name, such as Opus, Haiku, Fable, or Mythos, will not qualify, unless the model is explicitly and officially named Sonnet 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 released Claude Sonnet 5 on June 30, 2026, positioning it as the most agentic Sonnet model to date with major gains in coding, tool use, adaptive thinking, a 1M-token context window, and higher-resolution vision at mid-tier pricing. This followed Sonnet 4.6 in February 2026 and reflected Anthropic’s pattern of roughly 4–5 month intervals between major Sonnet updates during the 4.x series. With no subsequent Sonnet announcements or credible leaks reported since the June launch, trader sentiment centers on historical cadence, internal development timelines, and competitive pressure from rivals like OpenAI and Google. Key upcoming catalysts include potential point releases, earnings commentary, or developer conferences that could signal the next iteration’s 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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