AWS Says GPT-5.6 Luna Delivers Lowest Cost per Successful Outcome on Bedrock After 80% Price Cut
Summary
AWS says GPT-5.6 Luna now delivers Bedrock’s lowest observed cost per successful outcome after an 80% July 30 price cut, costing $0.0021 per correct AIME answer versus GPT-5.4-mini’s $0.0139.
Key Points
- AWS reports that GPT-5.6 Luna on Amazon Bedrock delivers the lowest observed cost per successful outcome across its benchmark samples after a July 30, 2026 price cut of 80%.
- On AIME math problems, Luna costs $0.0021 per correct answer versus $0.0139 for GPT-5.4-mini, while GPT-5.6 Sol scores 75% accuracy versus Mini's 37%.
- In 50 DeepSearchQA web-research tasks, Luna costs $0.05 per passing answer versus Mini's $0.40; Mini averages 7.6 turns and 114,000 input tokens per question.