Free tier
What you get
$4 per million input tokens, $20 per million output tokens; 50% discount with AI Gateway
Who it's for
- Developers using GPT-5.6
- High-volume API users
- Cost-conscious AI applications
Free APIs
GPT-5.6 Pricing Drops to $4/$20 with AI Gateway Discount
OpenAI has reduced GPT-5.6 pricing to $4 per million input tokens and $20 per million output tokens. The existing 50% discount for requests routed through AI Gateway remains applicable, further lowering costs for developers.
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