GPT-5.2

reasoningproprietary

GPT-5.2 is our previous flagship model for complex professional work. We recommend using the latest GPT-6 Astra. Learn more on the Model guidance page. Reasoning.effort supports: none (default), low, medium, high and xhigh.

Intelligence
Reasoning
Speed
Context
400K
Max output
128K
Input price
$1.75/1M tokens
Output price
$14/1M tokens
Snapshotsgpt-5.2-2025-12-11

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
Typereasoning
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
Web Searchweb_search
Search the web for information
File Searchfile_search
Search across uploaded files
Image Generationimage_generation
Generate images inline
Code Interpretercode_interpreter
Execute code in a sandbox
Hosted Shellhosted_shell
Run shell commands in a container
Apply Patchapply_patch
Apply code patches to files
Skillsskills
Use built-in skill modules
MCPmcp
Connect to Model Context Protocol servers

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 Chat128K16K$1.75$14
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

GPT-5.2

GPT-5.2 is our previous flagship model for complex professional work. We recommend using the latest GPT-6 Astra. Learn more on the Model guidance page. Reasoning.effort supports: none (default), low, medium, high and xhigh.

gpt-5.2-2025-12-11
Changes · 10 entries
gpt-5.2updateca7a400Nov 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...
model_typechat→reasoning
taglinePrevious frontier model for professional work with config...→Previous flagship model for professional work with config...
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
tools["function_calling"]→["function_calling","web_search","file_search","image_gen...
endpoints["responses","chat_completions","batch"]→["chat_completions","responses","batch"]
page_urlhttps://developers.openai.com/api/docs/models/gpt-5.2?sna...→https://developers.openai.com/api/docs/models/gpt-5.2
gpt-5.2update4e8b6afOct 21, 2026, 06:35 AM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
gpt-5.2update118451aSep 24, 2026, 07:08 AM
descriptionGPT-5.2 is our previous flagship 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-5.2updatee3d7dedAug 31, 2026, 04:13 AM
descriptionGPT-5.2 is our previous frontier model for complex profes...→GPT-5.2 is our previous flagship model for complex profes...
model_typechat→reasoning
taglinePrevious frontier model for professional work with config...→Previous flagship model for professional work with config...
tools["function_calling"]→["function_calling","web_search","file_search","image_gen...
page_urlhttps://developers.openai.com/api/docs/models/gpt-5.2?sna...→https://developers.openai.com/api/docs/models/gpt-5.2
gpt-5.2updatefa2bbbbMar 24, 2026, 05:22 AM
capabilitiesjson modeno→yes
gpt-5.2updatef43e286Mar 24, 2026, 04:45 AM
capabilitiesjson modeyes→nofine tuningnobatchyes
gpt-5.2update1cd659eMar 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-5.2update2b100acMar 23, 2026, 05:30 AM
model_typereasoning→chat
tools["function_calling","web_search","file_search","image_gen...→["function_calling"]
licenseproprietary
page_urlhttps://platform.openai.com/docs/models/gpt-5.2
open_weightno
release_date2025-12-11
gpt-5.2updateb50649fMar 21, 2026, 11:58 PM
namegpt-5.2→GPT-5.2
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
knowledge_cutoff2025-08
reasoning_tokensyes
reasoning5
taglinePrevious frontier model for professional work with config...
tools["function_calling","web_search","file_search","image_gen...
endpoints["responses","chat_completions","batch"]
gpt-5.2create7f5c66fMar 21, 2026, 05:16 AM