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openai

GPT-5.6 Sol

Models

Context window: 1,050,000 tokens
Maximum output: 128,000 tokens
Open weights: No
Maximum input: 922,000 tokens^*

2026-07-09

Agents' Last Exam (Pass / Score) · version unreported · Score · max#1^* · 53.60^*Platform unreported

ECI 162.6^*General capability index

* Provisional data