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Sourced model record · Catalog current through July 21, 2026

o1-mini

A reviewed catalog record from OpenAI, released September 12, 2024. This page reports only what named sources publish about this exact record, with receipts.

API accessClosed weightsLanguage

What the evidence says

Developer
OpenAI
Released
September 12, 2024
Domains
Language
Tasks
Code generation · Language modeling/generation · Quantitative reasoning · Chat · Question answering · Translation
Access
API access
Weights
Closed weights

Across the boards

Each row is one named authority's own current view. Nothing is combined.

LMArena overall
1337.0 · rank #199 · 51,981 battles · published July 20, 2026 · board
LMArena coding arena
1387.1 · rank #188 · board
LMArena creative writing arena
1281.0 · rank #228 · board
LMArena instruction following arena
1332.2 · rank #186 · board
LMArena hard prompts arena
1360.4 · rank #188 · board
LMArena multi-turn arena
1323.8 · rank #208 · board
LMArena long queries arena
1344.4 · rank #189 · board
LMArena math arena
1361.9 · rank #172 · board

Common questions

What is o1-mini?

o1-mini is a OpenAI model released September 12, 2024, according to Epoch AI's reviewed catalog record. The record classifies it under language.

How does o1-mini rank on LMArena?

In the LMArena style-controlled text snapshot published July 20, 2026, o1-mini holds official rank 199 with a rating of 1337.0 across 51,981 battles.

What does o1-mini cost?

No reviewed source carries pricing for this record, so no price is reported here.