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

o3-2025-04-16

deprecated

Status: Deprecated

alias → o3
Changes · 14 entries
o3-2025-04-16updateca7a400Nov 2, 2026, 03:02 AM
descriptiono3 is a well-rounded and powerful model across domains. I...→Status: Deprecated
statusactive→deprecated
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
deprecation_date2026-06-11
retirement_date2026-12-11
successorgpt-5.6-sol
o3-2025-04-16updateb2f45bfOct 29, 2026, 03:29 AM
descriptiono3 is a well-rounded and powerful model across domains. I...→Status: Deprecated
o3-2025-04-16update4e8b6afOct 21, 2026, 06:35 AM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
o3-2025-04-16update118451aSep 24, 2026, 07:08 AM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
deprecation_date2026-06-11
retirement_date2026-12-11
successorgpt-5.6-sol
o3-2025-04-16update0ed066aJul 31, 2026, 11:38 AM
statusactive→deprecated
o3-2025-04-16updatee8ec634Mar 24, 2026, 07:27 PM
knowledge_cutoff2024-05→2024-06
o3-2025-04-16updatefa2bbbbMar 24, 2026, 05:22 AM
capabilitiesjson modeno→yes
o3-2025-04-16updatef43e286Mar 24, 2026, 04:45 AM
capabilitiesjson modeyes→nofine tuningnobatchyes
o3-2025-04-16update1cd659eMar 24, 2026, 04:19 AM
knowledge_cutoff2024-06→2024-05
capabilitiesjson modeyes
page_urlhttps://platform.openai.com/docs/models/o3→https://developers.openai.com/api/docs/models/o3?snapshot...
o3-2025-04-16updateb301ebeMar 23, 2026, 11:47 PM
knowledge_cutoff2024-05→2024-06
o3-2025-04-16update2b100acMar 23, 2026, 05:30 AM
licenseproprietary
release_date2025-04-16
page_urlhttps://platform.openai.com/docs/models/o3
open_weightno
tools["function_calling"]
o3-2025-04-16updateb50649fMar 21, 2026, 11:58 PM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
descriptiono3 is a well-rounded and powerful model across domains.→o3 is a well-rounded and powerful model across domains. I...
capabilitiesstreamingyesvisionyes
knowledge_cutoff2024-05
model_typereasoning
reasoning_tokensyes
reasoning5
taglineo3 is a well-rounded and powerful model across domains.
endpoints["chat_completions","responses","batch"]
o3-2025-04-16updatec9a70c5Mar 21, 2026, 08:12 AM
pricinginput$2output$8cached input$0.5batch input$1batch output$4
descriptiono3 is a well-rounded and powerful model across domains.
capabilitiestool callyesstructured outputyesreasoningyes
o3-2025-04-16create7f5c66fMar 21, 2026, 05:16 AM