In the news
How enabling two settings tripled our scores on the ARC-AGI-3 benchmark
OpenAI · Published · 3 min read
In 30 seconds
- What happened
- OpenAI reported that two API settings tripled GPT-5.6 scores on the ARC-AGI-3 benchmark by retaining reasoning and enabling compaction.
- Why it matters
- Matters for engineers evaluating GPT-5.6 on abstract reasoning tasks and considering configuration tuning for improved performance.
- Watch out
- The report provides minimal detail on which settings, how they work, or whether improvements generalize beyond this specific benchmark.
- reasoning
- benchmark
- gpt
The patterns behind this
Each one covers how the technique works, when it earns its cost, and where it breaks.
The Agent Architect
One pattern, one tradeoff, one production failure story. A short weekly briefing for people building agentic systems.
Weekly email, one-click unsubscribe. We only use your address to send the briefing.