codex-mini

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About this model

codex-mini is a fine-tuned variant of the o4-mini model, designed to deliver rapid, instruction-following performance for developers working in CLI workflows.

Key model capabilities

a. Optimized for Speed: Delivers fast Q&A and code edits with minimal overhead.

b. Instruction-Following: Retains Codex-1's strengths in understanding natural language prompts.

c. CLI-Native: Interprets natural language and returns shell commands or code snippets.

d. Long Context: Supports up to 200k-token inputs—ideal for full repo ingestion and refactoring.

e. Lightweight and Scalable: Designed for cost-efficient deployment with a small capacity footprint.

codex-mini supports features such as streaming, function calling, structured outputs, and image input. With these capabilities in mind, developers can leverage codex-mini for a range of fast, scalable code generation tasks in command-line environments.