GPT-4 Turbo Preview

deprecatedproprietary

Status: Shut down · Succeeded by gpt-5

Intelligence
Speed
Context
128K
Max output
4K
Input price
$10/1M tokens
Output price
$30/1M tokens
Snapshots

Capabilities

Infrastructure
Streaming
Fine-tuning

Details

Model IDgpt-4-turbo-preview
Provider OpenAI
Creator openai
Licenseproprietary
Statusdeprecated
Typechat
Input modalitiestext
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window128K tokens
Max input—
Max output4K tokens
Reasoning tokens—
Knowledge cutoff
Release date
Deprecation date
Retirement date
Successorgpt-5
Sourceofficial

Endpoints

Chat CompletionsPOST
Generate chat responses with messageshttps://api.openai.com/v1/chat/completions
ResponsesPOST
Stateful multi-turn conversationshttps://api.openai.com/v1/responses
AssistantsPOST
Persistent assistants with tools and fileshttps://api.openai.com/v1/assistants

Pricing

Text tokensPer 1M tokens
InputOutput
Standard$10$30

Family Comparison: gpt-4-turbo

ModelContextMax outPricing
GPT-4 Turbo Preview128K4K$10$30
GPT-4 Turbo128K4K$10$30

API

GET/v1/models/openai/gpt-4-turbo-preview

GPT-4 Turbo Preview

deprecated
gpt-4-turbo-preview

Status: Shut down

Changes · 8 entries
gpt-4-turbo-previewupdateca7a400Nov 2, 2026, 03:02 AM
descriptionThis is a research preview of the GPT-4 Turbo model, an o...→Status: Shut down
successorgpt-4o→gpt-5
capabilitiestool callnostructured outputnojson modenofine tuningyesreasoningno
deprecation_date2025-09-26
retirement_date2026-03-26
knowledge_cutoff2023-12
context_window128000
max_output_tokens4096
performance2
speed3
pricinginput$10output$30tiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
endpoints["chat_completions","responses","assistants"]
gpt-4-turbo-previewupdateb2f45bfOct 29, 2026, 03:29 AM
descriptionThis is a research preview of the GPT-4 Turbo model, an o...→Status: Shut down
gpt-4-turbo-previewupdate118451aSep 24, 2026, 07:08 AM
successorgpt-4o→gpt-5
deprecation_date2025-09-26
retirement_date2026-03-26
knowledge_cutoff2023-12
context_window128000
max_output_tokens4096
performance2
speed3
pricinginput$10output$30tiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
endpoints["chat_completions","responses","assistants"]
gpt-4-turbo-previewupdate1cd659eMar 24, 2026, 04:19 AM
page_urlhttps://platform.openai.com/docs/models/gpt-4-turbo-preview→https://developers.openai.com/api/docs/models/gpt-4-turbo...
gpt-4-turbo-previewupdateb301ebeMar 23, 2026, 11:47 PM
modalitiesinput["text"]output["text"]
gpt-4-turbo-previewupdate2b100acMar 23, 2026, 05:30 AM
licenseproprietary
page_urlhttps://platform.openai.com/docs/models/gpt-4-turbo-preview
open_weightno
gpt-4-turbo-previewupdateb50649fMar 21, 2026, 11:58 PM
context_window128000
max_output_tokens4096
modalitiesinput["text"]output["text"]
capabilitiestool callyesstructured outputyes
taglineAn older fast GPT model
successorgpt-4o
snapshots["gpt-4-0125-preview","gpt-4-1106-vision-preview"]
gpt-4-turbo-previewcreate7f5c66fMar 21, 2026, 05:16 AM