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.
⚡

Key Decision Metrics at a Glance

TL;DR Verdict
🏆 Benchmark RankRank
See how it ranks on the leaderboard
Full Leaderboard→
💰 Cost & PlansCompare
GPT-6 Astra · in: $10 / out: $50
Compare Plans↗
🛠️ Ecosystem & IDERules
GPT-6 Astra · GPT-5.6 Sol · Codex
Setup IDE Rules↗
🧭

Turn your technical choice into a development budget

Compare 40 dev plans & simulate token costs vs $20/mo subscriptions

⚔️ Compare Model→💰 Compare plans & limits↗
Action HubReady to adopt this in production?

Benchmark side-by-side against alternatives, or calculate monthly token cost vs subscription break-even.

⚔️ Launch VS Compare→💳 View Plans↗
Up NextOpenAI Codex: Astra on low ~50% cheaper per task than Sol at similar output
Read Now→