> GPT-4 Turbo (Apr 2024) is a closed AI model from OpenAI, released 9 Apr 2024. Index score 106 (GPT-4 = 100), rank 171 of 229 ranked models. API price $10 in / $30 out per million tokens, 128K context.

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# GPT-4 Turbo (Apr 2024)

OpenAI

Released 9 Apr 2024

Closed

[Compare](https://themodelindex.org/compare/gpt-4-turbo-apr-2024-vs-wizardlm-2-8x22b/)

10695–118

Index score

#171 of 229 models

3/ 8

Core tests taken

3 of 6 areas · plus 6 anchor tests

Frontier

Versus the frontier at release

set or matched the record

$10/ $30

Price per million tokens

input / output, list price

128K

Context window

tokens it reads at once

## Where it sits · on the frontier

_Chart: Model Index score of every scored model since late 2022, with the best closed and best open model over time_

Among the first models to reach this score.

## Test results · by area · tick = best by any model

Show 6 anchor tests

Reasoning & knowledge

evidence

GPQA Diamond

47%

Humanity's Last Exam

no result

Maths

evidence

FrontierMath T1-3

1%

Coding

evidence

SWE-bench Verified

no result

Terminal-Bench

no result

Agents

no evidence yet

APEX-Agents

no result

Novel problems

no evidence yet

ARC-AGI-2

no result

Long tasks

evidence

METR time horizon

6.6 min

Independent results from the Epoch AI benchmarking hub, best reasoning setting. The core tests are shown here; anchor tests also inform the score and can be shown above.

## What others say · rank on each leaderboard

The Model Index

independent tests, our method

#171

of 219 · 106

Further left is better. Leaderboards measure different things: LMArena is people voting blind between two answers, the others are test scores. Click any row for the source.

## Best at · top three among current models

Not in the top three among current models on any category we track.

Where this model places in the top three of today's models, on category leaderboards and on our core tests.

## Where to use it · prices checked 1 Oct 2026

#### From the lab

ChatGPT

app · subscription

↗

OpenAI API

API

↗

Provider prices come from OpenRouter's live listing; going direct to a provider can differ. Subscriptions are the lab's own apps.

## Facts and sources

Released

9 Apr 2024

Announcement

not linked yet

Release entry

–

Scored as

GPT-4 Turbo (Apr 2024)

Artificial Analysis index

–

Output speed

–

Hugging Face

closed weights

## OpenAI releases · around this one

ChatGPT

Closed

30 NOV 2022

GPT-4

Closed

14 MAR 2023

index 100

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Source: https://themodelindex.org/models/gpt-4-turbo-apr-2024/ · The Model Index · data as of 2026-10-01