OpenAI made o3-mini reasoning API generally available with flexible reasoning effort tiers (low/medium/high) at $1.10/1M input.

Key Takeaways

  • ✓Reaches 71.2% on SWE-bench Verified, rivaling human grandmaster algorithm performance
  • ✓Dynamic reasoning_effort parameter balances millisecond completion with deep architectural synthesis
  • ✓Full Prompt Caching support dropping cached token cost to $0.55/1M
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Key Decision Metrics at a Glance

TL;DR Verdict
🏆 Benchmark RankRank
Reaches 71.2% on SWE-bench Verified, rivaling human grandmaster algorithm performance
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💰 Cost & PlansCompare
in: $1.1 / out: $4.4
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🛠️ Ecosystem & IDERules
Devin 2.0 (Cognition) · Cursor Composer (Agent Mode) · Cline (VS Code Agent)
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