GPT-5 Mini

reasoningdeprecatedproprietary

Status: Deprecated · Succeeded by gpt-5.6-terra

Intelligence
Reasoning
Speed
Context
400K
Max output
128K
Input price
$0.25/1M tokens
Output price
$2/1M tokens
Snapshots

Capabilities

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

Details

Model IDgpt-5-mini
Provider OpenAI
Creator openai
Familygpt-5
Licenseproprietary
Statusdeprecated
Typereasoning
Input modalitiestext, image
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window400K tokens
Max input272K tokens
Max output128K tokens
Reasoning tokensYes
Knowledge cutoff
Release date
Deprecation date
Retirement date
Successorgpt-5.6-terra
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
Code Interpretercode_interpreter
Execute code in a sandbox
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$0.25$0.025$2

Family Comparison: gpt-5

ModelContextMax outPricing
GPT-5 nano400K128K$0.05$0.4
GPT-5 Mini400K128K$0.25$2
GPT-5 Chat128K16K$1.25$10
GPT-5-Codex400K128K$1.25$10
gpt-5-latest——$1.25$10
GPT-5400K128K$1.25$10
GPT-5 Pro400K272K$15$120

API

GET/v1/models/openai/gpt-5-mini

GPT-5 Mini

deprecated
gpt-5-mini

Status: Deprecated

gpt-5-mini-2025-08-07
Changes · 13 entries
gpt-5-miniupdateca7a400Nov 2, 2026, 03:02 AM
nameGPT-5 mini→GPT-5 Mini
descriptionGPT-5 mini is a faster, more cost-efficient version of GP...→Status: Deprecated
statusactive→deprecated
model_typechat→reasoning
taglineNear-frontier intelligence for cost sensitive, low latenc...→Strong intelligence for cost sensitive, low latency, high...
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","code_inte...
page_urlhttps://developers.openai.com/api/docs/models/gpt-5-mini?...→https://developers.openai.com/api/docs/models/gpt-5-mini
deprecation_date2026-06-11
retirement_date2026-12-11
successorgpt-5.6-terra
gpt-5-miniupdateb2f45bfOct 29, 2026, 03:29 AM
descriptionGPT-5 Mini is a faster, more cost-efficient version of GP...→Status: Deprecated
gpt-5-miniupdate4e8b6afOct 21, 2026, 06:35 AM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
gpt-5-miniupdatecfa51b9Sep 24, 2026, 09:28 AM
statusactive→deprecated
deprecation_date2026-06-11
retirement_date2026-12-11
successorgpt-5.6-terra
gpt-5-miniupdate118451aSep 24, 2026, 07:08 AM
descriptionGPT-5 Mini is a faster, more cost-efficient version of GP...→GPT-5 Mini is a faster, more cost-efficient version of GP...
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
gpt-5-miniupdatee3d7dedAug 31, 2026, 04:13 AM
nameGPT-5 mini→GPT-5 Mini
descriptionGPT-5 mini is a faster, more cost-efficient version of GP...→GPT-5 Mini is a faster, more cost-efficient version of GP...
taglineNear-frontier intelligence for cost sensitive, low latenc...→Strong intelligence for cost sensitive, low latency, high...
gpt-5-miniupdateab879c8Jun 18, 2026, 08:32 AM
model_typechat→reasoning
tools["function_calling"]→["function_calling","web_search","file_search","code_inte...
page_urlhttps://developers.openai.com/api/docs/models/gpt-5-mini?...→https://developers.openai.com/api/docs/models/gpt-5-mini
gpt-5-miniupdatefa2bbbbMar 24, 2026, 05:22 AM
capabilitiesjson modeno→yes
gpt-5-miniupdatef43e286Mar 24, 2026, 04:45 AM
capabilitiesjson modeyes→nofine tuningnobatchyes
gpt-5-miniupdate1cd659eMar 24, 2026, 04:19 AM
capabilitiesjson modeyes
page_urlhttps://platform.openai.com/docs/models/gpt-5-mini→https://developers.openai.com/api/docs/models/gpt-5-mini?...
gpt-5-miniupdate2b100acMar 23, 2026, 05:30 AM
model_typereasoning→chat
tools["function_calling","web_search","file_search","code_inte...→["function_calling"]
licenseproprietary
page_urlhttps://platform.openai.com/docs/models/gpt-5-mini
open_weightno
release_date2025-08-07
gpt-5-miniupdateb50649fMar 21, 2026, 11:58 PM
namegpt-5-mini→GPT-5 mini
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
capabilitiesstreamingyesvisionyes
knowledge_cutoff2024-05
max_input_tokens272000
reasoning_tokensyes
reasoning3
taglineNear-frontier intelligence for cost sensitive, low latenc...
tools["function_calling","web_search","file_search","code_inte...
endpoints["chat_completions","responses","batch"]
gpt-5-minicreate7f5c66fMar 21, 2026, 05:16 AM