o4-mini
Fast o-series model for compact reasoning, coding, and tool use
OpenAITextUncommonRetired
o4-mini
Fast o-series model for compact reasoning, coding, and tool use
o4-mini- Type
- Text
- Quality
- 69 · Top 31% on the Epoch Capabilities Index
- Context window
- 200,000 tokens
- Max output
- 100,000 tokens
- Input price
- $1.10 / 1M tokens
- Output price
- $4.40 / 1M tokens
- Cache read
- $0.28 / 1M tokens
- Cache write
- —
- Released
- Apr 16, 2025
- Knowledge cutoff
- May 2024
- Takes in
- Text, Image
- Puts out
- Text
- Reasoning
- Yes
- Tool calling
- Yes
- Structured output
- Yes
- File attachments
- Yes
- Access
- Paid
- License
- Proprietary
- Rarity
- Uncommon
- Set number
- 547/1044
Weights aren’t public. Use is governed by OpenAI’s terms. Specs from models.dev, last changed Oct 19, 2026. Official source: platform.openai.com.