o3-2025-04-16

reasoningdeprecatedproprietary

Status: Deprecated · Succeeded by gpt-5.6-sol

Intelligence
Reasoning
Speed
Context
200K
Max output
100K
Input price
$2/1M tokens
Output price
$8/1M tokens
Alias ofo3

Capabilities

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

Details

Provider OpenAI
Creator openai
Familyo3
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
Retirement date
Successorgpt-5.6-sol
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Endpoints

Chat CompletionsPOST
Generate chat responses with messageshttps://api.openai.com/v1/chat/completions
ResponsesPOST
Stateful multi-turn conversationshttps://api.openai.com/v1/responses
BatchPOST
Async batch processing at lower costhttps://api.openai.com/v1/batches

Pricing

Text tokensPer 1M tokens
InputCached inputOutput
Standard$2$0.5$8

Family Comparison: o3

ModelContextMax outPricing
o3-mini200K100K$1.1$4.4
o3200K100K$2$8
o3-deep-research200K100K$10$40
o3-pro200K100K$20$80

API

GET/v1/models/openai/o3-2025-04-16