GPT-4 Turbo Preview

Name: GPT-4 Turbo Preview
Author: OpenAI

Released

2023-11-06

Last refreshed

2026-06-15

Status

Researched 52d ago

DeprecatedProprietaryCommercial use: conditionalCodingRAGAgentsLong contextVisionClassificationJSON / Tool use

GPT-4 Turbo Preview is a legacy integration reference; evaluate GPT-4.1 before starting new work.

Use it for

Teams maintaining an existing integration
Workloads that can use a 128k context window
Buyers comparing 2 tracked provider routes

Do not use it for

New production launches

Specifications

Family: GPT-4
Released: 2023-11-06
Context: 128k
Parameters: 1.76T (8x222B MoE)*
Architecture: Mixture of Experts
Knowledge cutoff: 2023-12
Specialization: general
Openness: Proprietary
License: ProprietaryCommercial use: conditional
Weights: Not released
Code: Unknown
Training: Fine-tuned

Created by

OpenAI

Cutting-edge research and development.

San Francisco, California, United States

Founded 2015

Website

Pricing

Output / 1M

$30.00

Input / 1M

$10.00

Cheapest of 3 routes · OpenAI API

Providers(3)

OpenAI API Azure OpenAI OpenRouter

View 3 provider routes

This model is deprecated. OpenAI recommends switching to GPT-4.1.

About

GPT-4 Turbo Preview is OpenAI's GPT-4 model. It is deprecated (originally released 2023-11-06); use it only for reproducing earlier results or evaluating drift over time.

GPT-4 Turbo Preview is a proprietary model in the GPT-4 family. The structured metadata tracks a 128k-token context window, vision, structured outputs, and code execution. This page tracks provider routes through OpenAI API, Azure OpenAI, and OpenRouter, with the cheapest tracked route listed at $10 input and $30 output per 1M tokens. No headline benchmark score is tracked for GPT-4 Turbo Preview yet.

Top use-case fit: coding, agents, and build tasks

Coding

Included by capability and metadata signals in the decision map.

RAG

Included by capability and metadata signals in the decision map.

Agents

Included by capability and metadata signals in the decision map.

Provider price ladder

Compare all 3

Compare API pricing across 2 providers for input and output tokens, batch, and cached reads when available.

Provider	Input / 1M	Output / 1M	Batch in / out	Route
OpenAI API	$10.00	$30.00	$5.00 / $15.00	Serverless
OpenRouter	$10.00	$30.00	-	Serverless

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