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Sourced model record · Catalog current through July 21, 2026

o1-preview

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 · Mathematics · Biology

What the evidence says

Developer
OpenAI
Released
September 12, 2024
Domains
Language · Mathematics · Biology
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
1388.3 · rank #143 · 31,122 battles · published July 20, 2026 · board
LMArena coding arena
1416.2 · rank #160 · board
LMArena creative writing arena
1365.3 · rank #131 · board
LMArena instruction following arena
1380.8 · rank #141 · board
LMArena hard prompts arena
1396.5 · rank #155 · board
LMArena multi-turn arena
1390.1 · rank #143 · board
LMArena long queries arena
1381.4 · rank #153 · board
LMArena math arena
1386.2 · rank #148 · board

Common questions

What is o1-preview?

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

How does o1-preview rank on LMArena?

In the LMArena style-controlled text snapshot published July 20, 2026, o1-preview holds official rank 143 with a rating of 1388.3 across 31,122 battles.

What does o1-preview cost?

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