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OpenAI: GPT-5.1-Codex-Mini
openai/gpt-5.1-codex-mini
VisionTool useJSONReasoningStreaming
GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex
Pricing
Input
$0.25 / 1M
Output
$2.00 / 1M
Specs
Context
400,000 tokens
Input
image, text
Output
text
Released: 2025-11
Supported parameters
include_reasoningmax_completion_tokensmax_tokensreasoningresponse_formatseedstructured_outputstool_choicetools