OpenAI API

For technical teams

Direct API access to OpenAI's models for building custom AI features.

Pricing

API (pay-as-you-go)

gpt-5.5: $5.00/1M input, $30.00/1M output. gpt-5.5-pro: $30.00/$180.00. Batch & Flex ~50% off (~$2.50/$15.00). Prompts >272K input tokens billed 2x input / 1.5x output for the session.

1M-token context; Batch ~50% off; >272K tokens surcharged

Standard, Batch, Flex, Priority tiers
Cached-input discount
Tool/function calling
Multiple model sizes
1M-token context

Prices are indicative and may change. Always confirm on the provider's site.

Best for

Improve coding / development

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