OpenAI Announces Dramatic 87% Price Drop for Flagship Reasoning Model Outputs During Transition to o3
What changed
Flagship reasoning model output price decreased from $60.00 to $8.00 per 1M tokens (87% decrease) during OpenAI o1→o3 transition
Flagship reasoning model input price decreased from $15.00 to $2.00 per 1M tokens (87% decrease) during OpenAI o1→o3 transition
Small GPT model output price increased from $0.600 to $1.60 per 1M tokens (167% increase) during GPT-4o mini→GPT-4.1 mini transition
Primary GPT model output price decreased from $10.00 to $8.00 per 1M tokens (20% decrease) during GPT-4o→GPT-4.1 transition
GPT-4.1 nano introduced as new ultra-low-cost model priced at $0.100 input / $0.400 output per 1M tokens, optimized for low-latency tasks
Small GPT model input price increased from $0.150 to $0.40 per 1M tokens (167% increase) during GPT-4o mini→GPT-4.1 mini transition
Primary GPT model input price decreased from $2.50 to $2.00 per 1M tokens (20% decrease) during GPT-4o→GPT-4.1 transition
Image Generation API (GPT-image-1) introduced with text input $5.00/1M tokens, image input $10.00/1M tokens, and image output $40.00/1M tokens
Before and after
Apr 1, 2025 vs Jul 6, 2025Flagship reasoning model output price decreased from $60.00 to $8.00 per 1M tokens (87% decrease) during OpenAI o1→o3 transition
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