o4-mini
o4-mini
OpenAI · reasoning · api
Unavailable
Alert me on changes
Not currently available.
This model is listed by OpenAI but a live request is rejected, so it isn't usable right now.
We re-check every few minutes and will alert subscribers the moment it goes live.
Intelligence
Context
200K
Max output
—
Input $/1M
$0.55
Output $/1M
$2.20
Modalities
text
Released
09 Apr 2025
Intelligence Index via Artificial Analysis · 0–100, higher is better
AI summary
● machine-written
OpenAI releases o4-mini reasoning model
o4-mini is a reasoning model from OpenAI available via API, released April 9, 2025. It supports a 200K token context window and is positioned as a cost-efficient option for reasoning tasks. The model is currently in general availability status.
What's new
- Released April 9, 2025 (per provider API) / April 16, 2025 (per search result)
- Supports 200K token context window
- Input pricing: $0.55/M tokens, Output pricing: $2.20/M tokens
- Reasoning-class model with text modality
Best for
Reasoning tasksCost-efficient inferenceLong-context applications (up to 200K tokens)