gpt-5.2-2025-12-11

proprietary

GPT-5.2 is our previous flagship model for complex professional work.

Intelligence
Reasoning
Speed
Context
400K
Max output
128K
Input price
$1.75/1M tokens
Output price
$14/1M tokens
Alias ofgpt-5.2

Capabilities

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

Details

Provider OpenAI
Creator openai
Familygpt-5.2
Licenseproprietary
Statusactive
Typechat
Input modalitiestext, image
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window400K tokens
Max input—
Max output128K tokens
Reasoning tokensYes
Knowledge cutoff
Release date
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$1.75$0.175$14

Family Comparison: gpt-5.2

ModelContextMax outPricing
GPT-5.2-Codex400K128K$1.75$14
GPT-5.2400K128K$1.75$14
GPT-5.2 Pro400K128K$21$168

API

GET/v1/models/openai/gpt-5.2-2025-12-11

gpt-5.2-2025-12-11

GPT-5.2 is our previous flagship model for complex professional work.

alias → gpt-5.2
Changes · 11 entries
gpt-5.2-2025-12-11updateca7a400Nov 2, 2026, 03:02 AM
descriptionGPT-5.2 is our previous frontier model for complex profes...→GPT-5.2 is our previous flagship model for complex profes...
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
endpoints["responses","chat_completions","batch"]→["chat_completions","responses","batch"]
gpt-5.2-2025-12-11update4e8b6afOct 21, 2026, 06:35 AM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
gpt-5.2-2025-12-11update118451aSep 24, 2026, 07:08 AM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
endpoints["responses","chat_completions","batch"]→["chat_completions","responses","batch"]
gpt-5.2-2025-12-11updatee3fc6e0Aug 31, 2026, 07:31 AM
descriptionGPT-5.2 is our previous frontier model for complex profes...→GPT-5.2 is our previous flagship model for complex profes...
gpt-5.2-2025-12-11updatefa2bbbbMar 24, 2026, 05:22 AM
capabilitiesjson modeno→yes
gpt-5.2-2025-12-11updatef43e286Mar 24, 2026, 04:45 AM
capabilitiesjson modeyes→nofine tuningnobatchyes
gpt-5.2-2025-12-11update1cd659eMar 24, 2026, 04:19 AM
capabilitiesjson modeyes
page_urlhttps://platform.openai.com/docs/models/gpt-5.2→https://developers.openai.com/api/docs/models/gpt-5.2?sna...
gpt-5.2-2025-12-11update2b100acMar 23, 2026, 05:30 AM
model_typereasoning→chat
licenseproprietary
release_date2025-12-11
page_urlhttps://platform.openai.com/docs/models/gpt-5.2
open_weightno
tools["function_calling"]
gpt-5.2-2025-12-11updateb50649fMar 21, 2026, 11:58 PM
capabilitiesreasoningyes
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
knowledge_cutoff2025-08
reasoning_tokensyes
reasoning5
taglineGPT-5.2 is our previous frontier model for complex profes...
endpoints["responses","chat_completions","batch"]
gpt-5.2-2025-12-11updatec9a70c5Mar 21, 2026, 08:12 AM
pricinginput$1.75output$14cached input$0.175batch input$0.875batch output$7
descriptionGPT-5.2 is our previous frontier model for complex profes...
context_window400000
max_output_tokens128000
model_typereasoning
gpt-5.2-2025-12-11create7f5c66fMar 21, 2026, 05:16 AM