From the source
Two API settings improved GPT-5.6 performance on ARC-AGI-3, boosting scores and efficiency by retaining reasoning and enabling compaction.
How enabling two settings tripled our scores on the ARC-AGI-3 benchmark
Capability change
From the source
How two API settings improved GPT-5.6 performance on ARC-AGI-3, boosting scores and efficiency by retaining reasoning and enabling compaction.
openai.com