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openai/gpt-5-1-codex-mini
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GPT-5.1-Codex-Mini
GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex
11/13/2025
400,000 tokens
Specifications
Modalities
Input
image
text
Output
text
Supported Parameters
include_reasoning
max_tokens
reasoning
response_format
seed
structured_outputs
tool_choice
tools