OpenAI’s GPT-5.6 Sol, the current flagship reasoning model in the 5.x series, reached general availability on July 9, 2026 after a limited preview on June 26, delivering major gains in agentic coding, scientific analysis, and cybersecurity benchmarks. Traders are now watching for any 5.7+ Sol iteration amid credible leaks pointing to an August 2026 launch window that could include either a 5.7 update or the start of the GPT-6 generation. Competitive pressure from Anthropic, Google DeepMind, and xAI continues to accelerate OpenAI’s cadence, while regulatory constraints and internal scaling decisions remain key variables that could shift release timing or attribution of the next major Sol-tier advance.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedAugust 31
39%
October 31
54%
$21 Vol.
August 31
39%
October 31
54%
A qualifying model must have a name or model identifier that includes "GPT" and "Sol" 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 Sol would qualify, including a new whole-number generation such as GPT-6 Sol or an Astra-branded release meeting these criteria, while models whose name does not include "Sol" or which retain a version designation below 5.7, such as GPT-5.6 Sol, GPT-5.6 Terra, 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 14, 2026, 5:34 PM ET
Resolver
0x65070BE91...A qualifying model must have a name or model identifier that includes "GPT" and "Sol" 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 Sol would qualify, including a new whole-number generation such as GPT-6 Sol or an Astra-branded release meeting these criteria, while models whose name does not include "Sol" or which retain a version designation below 5.7, such as GPT-5.6 Sol, GPT-5.6 Terra, 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 GPT-5.6 Sol, the current flagship reasoning model in the 5.x series, reached general availability on July 9, 2026 after a limited preview on June 26, delivering major gains in agentic coding, scientific analysis, and cybersecurity benchmarks. Traders are now watching for any 5.7+ Sol iteration amid credible leaks pointing to an August 2026 launch window that could include either a 5.7 update or the start of the GPT-6 generation. Competitive pressure from Anthropic, Google DeepMind, and xAI continues to accelerate OpenAI’s cadence, while regulatory constraints and internal scaling decisions remain key variables that could shift release timing or attribution of the next major Sol-tier advance.
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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