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o4-mini

OpenAI's GPT series — broad general capability, wide ecosystem, and the native models behind Codex CLI.

Model IDopenai/o4-mini
ChatStreamingTool callingVision
Try itQuick Start

Call summary

Input
$1.10$0.33/ 1M tokens
Cache write $0.33
Output
$4.40$1.32/ 1M tokens
Cache read $0.33
Context Window
200K
Max output
N/A
API Endpoints
2
Available Configurations
2

Production reliability

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API Endpoints

One API key — call this model through any of the endpoints below.

POST/v1/chat/completionsOpenAI-compatible · Works for every model
Docs
POST/v1/responsesResponses API · Native for Codex CLI
Docs