# OpenAI — How enabling two settings tripled our scores on the ARC-AGI-3 benchmark

- Company: OpenAI (openai.com)
- Announced: 2026-07-29T15:00:00+00:00
- Category: capability-change
- Subject: GPT / ChatGPT / API
- Models affected: GPT-5.6
- Source: https://openai.com/index/how-two-settings-tripled-our-arc-agi-3-scores
- Record: https://forck.live/items/9-how-enabling-two-settings-tripled-our-scores-on-the-arc-agi-3-benchmark

Two API settings improved GPT-5.6 performance on ARC-AGI-3, boosting scores and efficiency by retaining reasoning and enabling compaction.

## Evidence

Verbatim from https://openai.com/index/how-two-settings-tripled-our-arc-agi-3-scores:

> How two API settings improved GPT-5.6 performance on ARC-AGI-3, boosting scores and efficiency by retaining reasoning and enabling compaction.

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