OpenAI Codex lead Tibo (@thsottiaux) calibrates Astra reasoning effort: GPT-6 Astra on low already outperforms GPT-5.6 Sol on high. If you were happy with Sol on high, move Astra down to low or medium to avoid over-spending effort.

Key Takeaways

  • ✓Calibration: Astra low already beats Sol high.
  • ✓Guidance: former Sol-high users should try Astra low/medium.
  • ✓Impact: lower default effort can hit quality with less usage burn.
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GPT-6 Astra · in: $10 / out: $50
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GPT-6 Astra · GPT-5.6 Sol · Codex
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Up NextCodex 28-day run, day 27: OpenAI's Tibo posts "Banked 1/2" as the first of two saved usage resets lands
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