o3

deprecatedproprietary

Status: Deprecated

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

Capabilities

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

Details

Creator OpenAI
Familyo3
Licenseproprietary
Statusdeprecated
Typechat
Input modalitiestext
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

Input
$2
Output
$8
Cache write
—
Cache read
—
Batch in
—
Batch out
—

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/vercel/openai/o3

o3

deprecated

Status: Deprecated

Changes · 3 entries
openai/o3updateb301ebeMar 23, 2026, 11:47 PM
model_typereasoning→chat
modalitiesinput["text"]output["text"]
openai/o3update2b100acMar 23, 2026, 05:30 AM
model_typereasoning
tools["function_calling"]
openai/o3create7f5c66fMar 21, 2026, 05:16 AM