Pricing change·Jul 6 → Oct 4, 2025·Q3 2025·AI & Machine Learning

OpenAI API Introduces GPT-5 Mini and Nano Models with Significantly Lower Pricing, Enhancing Accessibility for Users

OpenAIPricingPrice decreasePlan removedNew planPlan renamedFeature added

What changed

Price decrease

Realtime API audio cached input decreased from $2.50/1M to $0.40/1M

Plan removed

GPT-4.1 mini model discontinued ($0.40/1M input, $0.10/1M cached input, $1.60/1M output)

New plan

GPT-5 mini model introduced ($0.250/1M input, $0.025/1M cached input, $2.000/1M output)

Price decrease

Realtime API text output decreased from $20.00/1M to $16.00/1M

Price decrease

Realtime API audio input decreased from $40.00/1M to $32.00/1M

New plan

GPT-5 model introduced ($1.250/1M input, $0.125/1M cached input, $10.000/1M output)

Price decrease

Realtime API text cached input decreased from $2.50/1M to $0.40/1M

Price decrease

Realtime API text input decreased from $5.00/1M to $4.00/1M

New plan

GPT-5 nano model introduced ($0.050/1M input, $0.005/1M cached input, $0.400/1M output)

Plan removed

GPT-4.1 model discontinued ($2.00/1M input, $0.50/1M cached input, $8.00/1M output)

Price decrease

Realtime API audio output decreased from $80.00/1M to $64.00/1M

Plan removed

GPT-4.1 nano model discontinued ($0.100/1M input, $0.025/1M cached input, $0.400/1M output)

Plan renamed

Realtime API text model changed from GPT-4o to gpt-realtime

Feature added

Image modality added to Realtime API with gpt-realtime ($5.00/1M input, $0.50/1M cached input)

Jul 6, 2025 vs Oct 4, 2025

Pulse.

100%

Change 1 of 17 · price decreased

Realtime API audio cached input decreased from $2.50/1M to $0.40/1M

See the before/after screenshots and every marked-up change.