o1

reasoningdeprecatedproprietary

- Enhanced reasoning abilities . - Structured outputs. - Text and image processing. - Functions and tools.

Intelligence
Reasoning
Speed
Context
200K
Max output
100K
Input price
$15/1M tokens
Output price
$60/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming
Batch Processing

Details

Provider Azure AI Foundry
Creator OpenAI
Familyo1
Licenseproprietary
Statusdeprecated
Typereasoning
Input modalitiestext, image
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window200K tokens
Max input—
Max output100K tokens
Reasoning tokensYes
Knowledge cutoff
Release date
Deprecation date
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Pricing

Text tokensPer 1M tokens
InputCached inputOutput
Standard$15$7.5$60

Family Comparison: o1

ModelContextMax out
o1-mini 2128K66K
o1-preview 1128K33K
o1200K100K

API

GET/v1/models/azure/o1

o1

deprecated

- Enhanced reasoning abilities . - Structured outputs. - Text and image processing. - Functions and tools.

Changes · 5 entries
o1update1cd659eMar 24, 2026, 04:19 AM
capabilitiesjson modeyes
o1update2b100acMar 23, 2026, 05:30 AM
tools["function_calling"]
description- Enhanced reasoning abilities . - Structured outputs. - ...
tagline- Enhanced reasoning abilities .
o1updateb50649fMar 21, 2026, 11:58 PM
model_typereasoning
o1updatec9a70c5Mar 21, 2026, 08:12 AM
knowledge_cutoffOctober 2023→2023-10
o1create7f5c66fMar 21, 2026, 05:16 AM