Six open-weight models cleared the bar; Ornith-1.5-397B leads with GPQA Diamond 92.8

Asked:

“Which open-weight AI models have a permissive license, more than 30B parameters, a release date after January 2026, and a reported GPQA score? List all four attributes for each model.”

Six qualifying model variants, released April–August 2026, from 31B to 1,600B total parameters, all scored on GPQA Diamond and licensed under Apache 2.0, MIT, or a commercially usable modified MIT. Reported scores may not be directly comparable if evaluation settings differ.

All qualifying rows

Live-web identification: 18 diverse web queries returned 2,969 unique pages; semantic processing covered the first 2,000 ranked results. 6 qualifying model variants shown, one row per exact variant. Parameter counts are total parameters, not active MoE parameters; “after January 2026” means later than 2026-01-31; permissive means Apache 2.0, MIT, BSD, or commercially usable modified MIT. Several rows have a single qualifying source in the extracted set. This is not proof that no unindexed or lower-ranked release qualifies. Data checked 2026-09-03.

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