Enabling Codex Max Reasoning Boosts Performance and Cuts Costs
Users report that manually enabling the hidden Max reasoning mode in OpenAI Codex significantly boosts GPT-5.6 Luna's performance to rival Opus 5, while reducing costs by up to 83%.
2026-07-31 ~ 2026-08-01 · 3 related posts
- Episode 1: GPT-5.6 Luna Price Cut 80%: Benchmark Shows Superior Cost-Efficiency(2026-07-30, 15 posts)
- Episode 2: Enabling Codex Max Reasoning Boosts Performance and Cuts Costs(2026-07-31, 3 posts)
- Episode 3: GPT-5.6 Benchmarks Leak: Sol Leads Performance, Luna Excels in Cost-Efficiency(2026-08-01, 3 posts)
- Episode 4: OpenAI Slashes GPT-5.6 Prices, Luna Down 80%(2026-08-01, 7 posts)
- Codex Users: Enable Max Reasoning for Opus-Level Performance at 1/6 the Cost — daniel_mac8 · 2026-07-31
- OpenAI Codex Tip: Enable Max Reasoning for Luna at 1/6th the Cost — daniel_mac8 · 2026-08-01
- GPT-5.6 Luna at Max Reasoning Matches Opus 5 at 1/6th the Cost — JeremyNguyenPhD · 2026-08-01