OpenAI: codex-mini-2025-05-16 API
A lightweight reasoning model fine-tuned from o4-mini, specifically optimized for CLI workflows and software engineering tasks, featuring high instruction-following performance and parallel tasking capabilities.
- Context window: 200,000 tokens
- Max output: 100,000 tokens
- Input: text, image
- Output: text
- Reasoning: Supported
- Tool calling: Supported
- File input: Supported
- Released: 2025-05-16
- Knowledge cutoff: 2024-05-13
Frequently Asked Questions
What is the context window of codex-mini-2025-05-16?
codex-mini-2025-05-16 supports a context window of up to 200,000 tokens.
Does codex-mini-2025-05-16 support function calling?
Yes. codex-mini-2025-05-16 supports tool / function calling.
Does codex-mini-2025-05-16 support reasoning?
Yes. codex-mini-2025-05-16 is a reasoning-capable model.
What is the knowledge cutoff of codex-mini-2025-05-16?
The knowledge cutoff of codex-mini-2025-05-16 is 2024-05-13.