GPT-3.5 Turbo

deprecatedproprietary

Status: Shut down · Succeeded by gpt-5.6-terra

Intelligence
Speed
Context
16K
Max output
4K
Input price
$0.5/1M tokens
Output price
$1.5/1M tokens
Snapshots

Capabilities

Infrastructure
Batch Processing
Fine-tuning

Details

Model IDgpt-3.5-turbo
Provider OpenAI
Creator openai
Familygpt-3.5
Licenseproprietary
Statusdeprecated
Typechat
Input modalitiestext
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window16K tokens
Max input—
Max output4K tokens
Reasoning tokens—
Knowledge cutoff
Release date
Deprecation date
Retirement date
Successorgpt-5.6-terra
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
BatchPOST
Async batch processing at lower costhttps://api.openai.com/v1/batches
Fine-tuningPOST
Train custom models on your datahttps://api.openai.com/v1/fine_tuning/jobs

Pricing

Fine-tuning
TrainingInputCached inputOutput
Standard$8$3—$6
Batch$8$1.5—$3
Text tokensPer 1M tokens
InputOutput
Standard$0.5$1.5

Family Comparison: gpt-3.5

ModelContextMax outPricing
gpt-3.5-030116K4K—
gpt-3.5-turbo-061316K4K—
GPT-3.5 Turbo16K4K$0.5$1.5
gpt-3.5-turbo-16k-061316K4K$3$4

API

GET/v1/models/openai/gpt-3.5-turbo

GPT-3.5 Turbo

deprecated
gpt-3.5-turbo

Status: Shut down

gpt-3.5-turbo-0125gpt-3.5-turbo-1106gpt-3.5-turbo-instruct
Changes · 12 entries
gpt-3.5-turboupdateca7a400Nov 2, 2026, 03:02 AM
descriptionGPT-3.5 Turbo models can understand and generate natural ...→Status: Shut down
pricingtiers[{"label":"Fine-tuning","unit":"","columns":["Training","...→[{"label":"Fine-tuning","unit":"","columns":["Training","...
page_urlhttps://developers.openai.com/api/docs/models/gpt-3-5-tur...→https://developers.openai.com/api/docs/models/gpt-3.5-turbo
successorgpt-4o-mini→gpt-5.6-terra
deprecation_date2026-04-22
retirement_date2026-10-23
gpt-3.5-turboupdateb2f45bfOct 29, 2026, 03:29 AM
descriptionGPT-3.5 Turbo models can understand and generate natural ...→Status: Shut down
gpt-3.5-turboupdate4e8b6afOct 21, 2026, 06:35 AM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Fine-tuning","unit":"","columns":["Training","...
gpt-3.5-turboupdate118451aSep 24, 2026, 07:08 AM
pricingtiers[{"label":"Fine-tuning","unit":"","columns":["Training","...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
page_urlhttps://developers.openai.com/api/docs/models/gpt-3-5-tur...→https://developers.openai.com/api/docs/models/gpt-3.5-turbo
successorgpt-4o-mini→gpt-5.6-terra
deprecation_date2026-04-22
retirement_date2026-10-23
gpt-3.5-turboupdate6a1e7e3Apr 24, 2026, 02:41 AM
statusactive→deprecated
successorgpt-4o-mini
gpt-3.5-turboupdate22fb110Apr 1, 2026, 10:05 AM
successorgpt-4o-mini
gpt-3.5-turboupdatee8ec634Mar 24, 2026, 07:27 PM
knowledge_cutoff2021-08→2021-09
gpt-3.5-turboupdatef43e286Mar 24, 2026, 04:45 AM
capabilitiesstreamingnovisionnotool callnostructured outputnojson modenoreasoningnobatchyes
gpt-3.5-turboupdate1cd659eMar 24, 2026, 04:19 AM
knowledge_cutoff2021-09→2021-08
page_urlhttps://platform.openai.com/docs/models/gpt-3-5-turbo→https://developers.openai.com/api/docs/models/gpt-3-5-tur...
gpt-3.5-turboupdateb301ebeMar 23, 2026, 11:47 PM
knowledge_cutoff2021-08→2021-09
gpt-3.5-turboupdate2b100acMar 23, 2026, 05:30 AM
licenseproprietary
page_urlhttps://platform.openai.com/docs/models/gpt-3-5-turbo
open_weightno
gpt-3.5-turbocreateb50649fMar 21, 2026, 11:58 PM