User claims GPT 5.6 Luna cost $0.30 over 14 days, 3x cheaper than GPT 5
Spiritual_Grape3522 · reddit · 2026-09-15
A Reddit user reports running "GPT 5.6 Luna" under ChatGPT for 14 days at $0.30 for 140 Q&A turns, 70% of which involved cross-referencing data across pages — claiming a cost 3x lower than GPT 5. Unverified model name; treat with caution.
Related event: GPT 5.6 Luna Costs One-Third of GPT 5 in Real-World Test(2 posts)→
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