GPT-4o
OpenAI · GPT-4o · context window 128,000 tokens.
Pricing (per 1M tokens)
Input$2.50
Output$10.00
Cached input$1.25
Batch input$1.25
Specifications
Context window128,000 tokens
Max output16,384 tokens
Modalitiestext, image
VisionYes
Tool useYes
ReasoningNo
Prompt cachingYes
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Source: OpenAI official API pricing. Last verified 2026-07-09.