GPT-4 Turbo Preview

An older fast GPT model

OpenAIgpt-4-turbo-previewReport incorrect data

Specs

Context: 128K
Max output: 4.1K
Input price: $10/ 1M tokens
Output price: $30/ 1M tokens
Released: —

Context

Context window: 128K
Max input: —
Max output: 4.1K

Pricing · USD / 1M tokens

Input: $10
Output: $30
Cache read: —
Cache write: —

Modalities

Input: Text
Output: Text

API

API types: chatresponses

Reasoning

Not published

Info

Status: Retired
Released: —
Knowledge cutoff: 2023-12-01

Features

Not published

How to call

openaimodel = gpt-4-turbo-preview

chat

POSThttps://api.openai.com/v1/chat/completions

responses

POSThttps://api.openai.com/v1/responses

JSON

gpt-4-turbo-preview.json

{
  "id": "gpt-4-turbo-preview",
  "object": "model",
  "created": null,
  "owned_by": "openai",
  "name": "GPT-4 Turbo Preview",
  "api": {
    "types": [
      "chat",
      "responses"
    ]
  },
  "limits": {
    "context": 128000,
    "input": null,
    "output": 4096
  },
  "modalities": {
    "input": [
      "text"
    ],
    "output": [
      "text"
    ]
  },
  "reasoning": {
    "supported": null,
    "efforts": []
  },
  "pricing": {
    "currency": "USD",
    "unit": "1M_tokens",
    "input": 10,
    "output": 30,
    "cache_read": null,
    "cache_write": null
  },
  "features": [],
  "info": {
    "status": "retired",
    "release_date": null,
    "knowledge_cutoff": "2023-12-01",
    "description": "An older fast GPT model",
    "docs": "https://developers.openai.com/api/docs/models/gpt-4-turbo-preview",
    "verified_at": "2026-10-11"
  }
}

Official sources

GPT-4 Turbo Preview Model | OpenAI APIdevelopers.openai.com2026-10-11 Deprecations | OpenAI APIdevelopers.openai.com2026-10-11