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GPT-4 Turbo

API ID gpt-4-turbo

gpt-4-turbo is an OpenAI model, released April 2024. It has a 128,000-token context window and up to 4,096 output tokens. It takes image input and supports function calling. Standard price: from $10.00 input and from $30.00 output per 1M tokens.

Status
Deprecated
Released
April 2024
Shutdown
Oct 23, 2026

It stops serving on October 23, 2026. Recommended replacement: gpt-5.6-sol.

How to migrate to GPT-5.6 Sol

Benchmarks

Scores as each source published them
or

Comparing with GPT-3.5 Turbo (0125), the previous model in this line. A score is compared only with the same benchmark from the same source, at the same setting where both have it. Full comparison: prices, limits, features

Arena

ArenaGPT-4 TurboGPT-3.5 Turbo (0125)ChangeRankDateSource
Text
By category
  • Math 1296 rank 252 vs 1201 (+95)
  • Creative writing 1323 rank 210 vs 1191 (+132)
  • Instruction following 1303 rank 258 vs 1216 (+87)
  • Hard prompts 1316 rank 275 vs 1229 (+87)
  • Long prompts 1318 rank 268 vs 1223 (+95)
  • Multi-turn 1313 rank 258 vs 1201 (+112)
  • Expert 1297 rank 266 vs 1198 (+99)
1325 ±41226 ±5+99252 of 415
98,114 votes		Oct 13, 2026source
Text: Coding1347 ±71275 ±8+72273 of 410
17,104 votes		Oct 13, 2026source
Vision1112 ±12not rated134 of 165
13,391 votes		Oct 9, 2026source

Rated as gpt-4-turbo-2024-04-09; GPT-3.5 Turbo (0125) as gpt-3.5-turbo-0125. Ratings come from people voting between two anonymous answers; Text and Vision are style-controlled, as on arena.ai. Data: Arena (arena.ai), CC BY 4.0.

Epoch AI

BenchmarkGPT-4 TurboGPT-3.5 Turbo (0125)ChangeSettingRunSource
FrontierMath Tiers 1-30.7%0.0%+0.7 ptsAug 27, 2026source
GPQA Diamond46.6%27.2%+19.4 ptsFeb 27, 2025source
MATH Level 546.7%11.6%+35.1 ptsFeb 27, 2025source
OTIS Mock AIME 2024-20256.7%2.2%+4.5 ptsFeb 27, 2025source

Run independently by Epoch AI. Data: Epoch AI, Capabilities & benchmarking (epoch.ai/benchmarks), CC BY.

Aliases pointing here: gpt-4-turbo (in place when tracking began (October 7, 2026))

Alias

All aliases

Currently points to gpt-4-turbo-2024-04-09 (in place when tracking began (October 7, 2026)).

Features

Compare models
FeatureValueSinceSource
Function callingAlso called tool use. You describe functions; the model replies with a function name and arguments for your code to run, then uses the result.Supportedin place when tracking began (October 6, 2026)source
Batch APISend many requests as one job that runs in the background, usually finished within 24 hours, at a lower price than live requests.Supportedin place when tracking began (October 6, 2026)source
Image inputImages such as screenshots, photos and charts can go in the prompt for the model to read.Supportedin place when tracking began (October 6, 2026)source
Fine-tuningYou can train your own version of the model on your examples through the company's API, then call it like any other model.Not supportedin place when tracking began (October 6, 2026)source
Context windowThe most the model can work with in one request, in tokens: your prompt, conversation history and files. A token is about three-quarters of an English word.128,000 tokensin place when tracking began (October 6, 2026)source
Max output tokensThe longest reply the model can write in one response, in tokens. A token is about three-quarters of an English word.4,096 tokensin place when tracking began (October 6, 2026)source

Not published by OpenAI: Structured outputs, Prompt caching, PDF input, Reasoning / thinking, Built-in web search, temperature parameter, top_p parameter, logprobs.

Price history

USD per 1M tokens, standard tier
$0.00$10.00$20.00$30.00$40.00Oct 2026In $10.00Out $30.00Oct 1, 2026 to Oct 15, 2026: Input $10.00, Output $30.00
$0.00$10.00$20.00$30.00$40.00Oct 2026In $10.00Out $30.00Oct 1, 2026 to Oct 15, 2026: Input $10.00, Output $30.00

We started recording this model's prices on Oct 1, 2026. The history grows with each daily check.

Show as a table
FromTypePrice
Oct 1, 2026Input$10.00
Oct 1, 2026Output$30.00

Prices

USD per 1M tokens, every type and band, by tier
TypeBandPrice $/1MIn effect
Standard
inputshort context$10.00
outputshort context$30.00
Batch
inputshort context$5.00
outputshort context$15.00

Changelog

Changes we detected on OpenAI's pages

No changes recorded yet.

Time until shutdown
7days
11hours
25min
50sec

Counting to 8:00 pm ET on October 22, 2026, which is 00:00 UTC on October 23, 2026.

Email alerts

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Last checked · Sources: OpenAI deprecations, OpenAI pricing, OpenAI models