OpenAI’s July 2026 general availability of the GPT-5.6 family—previewed in late June after U.S. government-mandated safety reviews—established Terra as the balanced mid-tier model delivering near-GPT-5.5 performance at roughly half the cost of Sol. This followed an executive order requiring frontier-model assessments, creating a precedent for regulatory delays that traders now price into future 5.7+ releases. The September 3 launch of GPT-6 Astra as the new flagship has shifted focus to whether OpenAI will extend the Sol/Terra/Luna tier system to the next generation or introduce a 5.7 Terra variant, with competitive pressure from Anthropic and internal capability milestones like improved agentic coding and cybersecurity benchmarks serving as key swing factors for timing and naming.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedSeptember 30
69%
October 31
80%
November 30
87%
$5,443 Vol.
September 30
69%
October 31
80%
November 30
87%
A qualifying model must have a name or model identifier that includes "GPT" and "Terra" and be designated as version 5.7 or higher, regardless of capitalization or surrounding prefixes, suffixes, dates, or descriptors. For example, a version 5.7 or higher named in the same manner as GPT-5.6 Terra would qualify, including a new whole-number generation such as GPT-6 Terra or an Astra-branded release meeting these criteria, while models whose name does not include "Terra" or which retain a version designation below 5.7, such as GPT-5.6 Terra, GPT-5.6 Sol, or GPT-5.6 Luna, will not qualify. Fine-tunes, modes, or restricted-access variants of an existing version, such as GPT-5.6-Cyber or GPT-5.6 Sol Ultrafast, 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 OpenAI 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 OpenAI, with additional verification from a consensus of credible reporting.
Market Opened: Aug 17, 2026, 9:32 AM ET
Resolver
0x65070BE91...A qualifying model must have a name or model identifier that includes "GPT" and "Terra" and be designated as version 5.7 or higher, regardless of capitalization or surrounding prefixes, suffixes, dates, or descriptors. For example, a version 5.7 or higher named in the same manner as GPT-5.6 Terra would qualify, including a new whole-number generation such as GPT-6 Terra or an Astra-branded release meeting these criteria, while models whose name does not include "Terra" or which retain a version designation below 5.7, such as GPT-5.6 Terra, GPT-5.6 Sol, or GPT-5.6 Luna, will not qualify. Fine-tunes, modes, or restricted-access variants of an existing version, such as GPT-5.6-Cyber or GPT-5.6 Sol Ultrafast, 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 OpenAI 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 OpenAI, with additional verification from a consensus of credible reporting.
Resolver
0x65070BE91...OpenAI’s July 2026 general availability of the GPT-5.6 family—previewed in late June after U.S. government-mandated safety reviews—established Terra as the balanced mid-tier model delivering near-GPT-5.5 performance at roughly half the cost of Sol. This followed an executive order requiring frontier-model assessments, creating a precedent for regulatory delays that traders now price into future 5.7+ releases. The September 3 launch of GPT-6 Astra as the new flagship has shifted focus to whether OpenAI will extend the Sol/Terra/Luna tier system to the next generation or introduce a 5.7 Terra variant, with competitive pressure from Anthropic and internal capability milestones like improved agentic coding and cybersecurity benchmarks serving as key swing factors for timing and naming.
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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