GPT-5.4

reasoningproprietary

GPT-5.4 is a flagship model for complex professional work. Learn more in our GPT-5.4 model guidance. Reasoning.effort supports: none (default), low, medium, high and xhigh.

Intelligence
Reasoning
Speed
Context
1.1M
Max output
128K
Input price
$2.5/1M tokens
Output price
$15/1M tokens
Snapshotsgpt-5.4-2026-03-05

Capabilities

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

Details

Provider OpenAI
Creator openai
Familygpt-5.4
Licenseproprietary
Statusactive
Typereasoning
Input modalitiestext, image
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window1.1M 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
Tool Searchtool_search
Discover and use tools
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
Computer Usecomputer_use
Control a virtual desktop
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
InputOutputCached input30m write12h write
Standard$2.5$15$0.25——
Batch$1.25$7.5$0.13——
Fast$5$30$0.5——

For models with a 1.05M context window (GPT-5.4 and GPT-5.4 Pro), prompts with >272K input tokens are priced at 2x input and 1.5x output for the full session for standard, batch, and flex.

Regional processing (data residency) endpoints are charged a 10% uplift for GPT-5.4 and GPT-5.4 Pro.

Family Comparison: gpt-5.4

ModelContextMax outPricing
GPT-5.4 nano400K128K$0.2$1.25
GPT-5.4 Mini400K128K$0.75$4.5
GPT-5.41.1M128K$2.5$15
GPT-5.4 Pro1.1M128K$30$180

API

GET/v1/models/openai/gpt-5.4

GPT-5.4

GPT-5.4 is a flagship model for complex professional work. Learn more in our GPT-5.4 model guidance. Reasoning.effort supports: none (default), low, medium, high and xhigh.

gpt-5.4-2026-03-05
Changes · 12 entries
gpt-5.4updateca7a400Nov 2, 2026, 03:02 AM
descriptionGPT-5.4 is our frontier model for complex professional work.→GPT-5.4 is a flagship model for complex professional work...
model_typechat→reasoning
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","tool_sear...
endpoints["responses","chat_completions","batch"]→["chat_completions","responses","batch"]
pricing_notes["For models with a 1.05M context window (GPT-5.4 and GPT...→["For models with a 1.05M context window (GPT-5.4 and GPT...
page_urlhttps://developers.openai.com/api/docs/models/gpt-5.4?sna...→https://developers.openai.com/api/docs/models/gpt-5.4
gpt-5.4update4e8b6afOct 21, 2026, 06:35 AM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
gpt-5.4update118451aSep 24, 2026, 07:08 AM
descriptionGPT-5.4 is a flagship model for complex professional work.→GPT-5.4 is a flagship model for complex professional work...
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-5.4updatee3d7dedAug 31, 2026, 04:13 AM
descriptionGPT-5.4 is our frontier model for complex professional work.→GPT-5.4 is a flagship model for complex professional work.
model_typechat→reasoning
tools["function_calling"]→["function_calling","web_search","file_search","tool_sear...
page_urlhttps://developers.openai.com/api/docs/models/gpt-5.4?sna...→https://developers.openai.com/api/docs/models/gpt-5.4
gpt-5.4updated68a4f1Jun 10, 2026, 02:10 AM
pricing_notes["For models with a 1.05M context window (GPT-5.4 and GPT...→["For models with a 1.05M context window (GPT-5.4 and GPT...
gpt-5.4updatec8065d6Apr 25, 2026, 10:39 AM
taglineBest intelligence at scale for agentic, coding, and profe...→A more affordable model for coding and professional work.
gpt-5.4updatefa2bbbbMar 24, 2026, 05:22 AM
capabilitiesjson modeno→yes
gpt-5.4updatef43e286Mar 24, 2026, 04:45 AM
capabilitiesjson modeyes→nofine tuningnobatchyes
gpt-5.4update1cd659eMar 24, 2026, 04:19 AM
capabilitiesjson modeyes
page_urlhttps://platform.openai.com/docs/models/gpt-5.4→https://developers.openai.com/api/docs/models/gpt-5.4?sna...
gpt-5.4update2b100acMar 23, 2026, 05:30 AM
model_typereasoning→chat
tools["function_calling","web_search","file_search","tool_sear...→["function_calling"]
licenseproprietary
page_urlhttps://platform.openai.com/docs/models/gpt-5.4
open_weightno
release_date2026-03-05
gpt-5.4updateb50649fMar 21, 2026, 11:58 PM
namegpt-5.4→GPT-5.4
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
knowledge_cutoff2025-08
reasoning_tokensyes
reasoning5
taglineBest intelligence at scale for agentic, coding, and profe...
tools["function_calling","web_search","file_search","tool_sear...
endpoints["responses","chat_completions","batch"]
pricing_notes["For models with a 1.05M context window (GPT-5.4 and GPT...
gpt-5.4create7f5c66fMar 21, 2026, 05:16 AM