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GPT-3.5 Turbo

Legacy GPT model for cheaper chat and non-chat tasks.

OpenAIgpt-3.5-turboReport incorrect data

Specs

Context
16.4K
Max output
4.1K
Input price
$0.5/ 1M tokens
Output price
$1.5/ 1M tokens
Released
—

Context

Context window
16.4K
Max input
—
Max output
4.1K

Pricing · USD / 1M tokens

Input
$0.5
Output
$1.5
Cache read
—
Cache write
—

Modalities

Input
Text
Output
Text

API

API types
chatresponsesbatch

Reasoning

Not published

Info

Status
Deprecated
Released
—
Knowledge cutoff
2021-09-01

Features

Confirmed
batch
Source · official docsVerified 2026-10-11

How to call

1 provider

openaimodel = gpt-3.5-turbo

chat
POSThttps://api.openai.com/v1/chat/completions
responses
POSThttps://api.openai.com/v1/responses
batch
POSThttps://api.openai.com/v1/batches

JSON

Standard format
gpt-3.5-turbo.json
{
  "id": "gpt-3.5-turbo",
  "object": "model",
  "created": null,
  "owned_by": "openai",
  "name": "GPT-3.5 Turbo",
  "api": {
    "types": [
      "chat",
      "responses",
      "batch"
    ]
  },
  "limits": {
    "context": 16385,
    "input": null,
    "output": 4096
  },
  "modalities": {
    "input": [
      "text"
    ],
    "output": [
      "text"
    ]
  },
  "reasoning": {
    "supported": null,
    "efforts": []
  },
  "pricing": {
    "currency": "USD",
    "unit": "1M_tokens",
    "input": 0.5,
    "output": 1.5,
    "cache_read": null,
    "cache_write": null
  },
  "features": [
    "batch"
  ],
  "info": {
    "status": "deprecated",
    "release_date": null,
    "knowledge_cutoff": "2021-09-01",
    "description": "Legacy GPT model for cheaper chat and non-chat tasks.",
    "docs": "https://developers.openai.com/api/docs/models/gpt-3.5-turbo",
    "verified_at": "2026-10-11"
  }
}

Official sources

4