OpenAI o1-mini

OpenAI · 2024 · Reasoning LLM · USA

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A to Z

A · App: Yes
B · Built By: OpenAI
C · CEO & Politics: Sam Altman — Independent; self-described 'politically homeless' (2025); former Democratic donor; $1M personal donation to Trump inaugural fund (2025)
D · Date: 2024
E · Expertise: Beginner (app available)
F · Free Tier: No free tier
G · Generates: Images
H · Deployment: Cloud
I · Inputs: Text
J · Jurisdiction: USA
K · Key Staffers: Sam Altman (CEO), Greg Brockman (President), Jakub Pachocki (Chief Scientist)
L · Languages: English-primary
M · Model Type: Reasoning LLM
N · Safety Issues: None reported
O · Open Source: Proprietary
P · Pricing: Retired (API shut down Oct 27, 2025)
Q · AIDb Rating: 4/10 · AIDb v2.0 (rule-based): Capability 4/10 · Currency 4/10 · Access 4/10 · Significance 5/10 → 4.15
R · What Makes It Special: OpenAI's o1-mini (September 12, 2024), a cost-efficient reasoning model for STEM, especially math and coding, that came close to o1 on AIME (70.0% against 74.4%) and reached a 1650 Codeforces Elo, at 80% less than o1-preview's cost, though its non-STEM factual knowledge was comparable to small LLMs; it reached ChatGPT Plus, Team, Enterprise and Edu users and tier-5 API developers with a 128K-token context and 65,536-token output. It was removed from the API October 27, 2025.
S · Stock / Status: Private (~$852B valuation, Mar 2026)
T · Training Cutoff: [UNKNOWN]
U · Users: [UNKNOWN]
V · Voice Chat: Yes
W · Weights: API only
X · X Handle: @OpenAI
Y · Year Founded: [UNKNOWN]
Z · Bottom Line: Proprietary Reasoning LLM from OpenAI, released 2024.

Data completeness 88% · Last verified 2026-06-11 · Primary source ↗

Cite this

“OpenAI o1-mini.” AIDb — The AI Database. Verified 2026-06-11. https://theaidatabase.com/m/openai-o1-mini.html

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