o3 (Fast)
Deliberate o-series reasoner for hard math, coding, and multi-step analysis
Context
200,000
Max output
100,000
Input / 1M
$3.50
Output / 1M
$14.00
Providers
1
01Profile
Profile
Released
2025-04-16
Last updated
2025-04-16
Knowledge cutoff
2024-05
Weights
Closed
02Capabilities
Capabilities
Input
text · image · pdf
Output
text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Attachments
Yes
Cache read
—
Cache write
—
03Pricing
Pricing across 1 providers
Per 1M tokens, USD. Sorted by input price. First-party row highlighted.
04History
Change history
1+ recent events since 2025-04-16
2026-08-17Addedverceloffering→ new