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OpenAI model product

GPT-3.5-Turbo

5 Turbo model with higher accuracy at responding in requested formats and a fix for a bug which caused a text encoding issue for non-English language function calls.

Updated Aug 12, 2026. Default version: GPT-3.5 Turbo

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LLMBoard score0.0GPT-3.5 Turbo
Coverage80%8 benchmark families
Context window16.4KTokens
Official input price$0.50OpenAI API

On this page

  • Specification
  • Capability
  • Benchmarks
  • Arena
  • Runtime
  • Pricing
  • Versions
  • About
  • Compare
  • Similar models
  • FAQ

GPT-3.5-Turbo Specifications

Technical details for the model's default version.

Version
GPT-3.5 Turbo
Released
Mar 21, 2023
Knowledge cutoff
Sep 30, 2021
Parameters
N/A
Context window
16.4K
Max output
4.1K
Inputs
text
Outputs
text
Open weights
No
License
Proprietary

GPT-3.5-Turbo Capability Profile

This profile uses the model's current scored version. Arena ratings and prices are shown separately.

GPT-3.5 Turbo category scores

GPT-3.5-Turbo Benchmark Results

Benchmark scores for GPT-3.5 Turbo.

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DROP70.2%213031.0%BAug 11, 2026
MGSM56.3%283110.0%BAug 11, 2026
MathVista0.0%39390.0%BAug 11, 2026
HumanEval68.0%586612.3%BAug 11, 2026
MMMU0.0%63630.0%BAug 11, 2026
MATH43.1%647110.0%BAug 11, 2026
MMLU69.8%8310017.2%BAug 11, 2026
GPQA30.8%2222345.2%BAug 11, 2026

GPT-3.5-Turbo Arena Results

Preference and agent-evaluation results for the default version.

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text style controloverall3051224.766,207N/AAug 10, 2026
text style controloverall3161203.316,619N/AAug 10, 2026
textoverall3241125.166,207N/AAug 10, 2026
textoverall3401094.316,619N/AAug 10, 2026

GPT-3.5-Turbo Runtime Performance

Provider-specific output speed and catalog latency for GPT-3.5 Turbo. Runtime does not affect the capability score.

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OpenAI482.886 tok/s0.514 s16.4K4.1KAug 11, 2026
Azure90 tok/s0.8 s16.4K4.1KAug 11, 2026

Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.

GPT-3.5-Turbo Pricing

Official vendor API pricing appears first, followed by individual provider offers.

Official API
$0.50 input, $1.5 output per 1M
Official provider
OpenAI
Lowest third-party
From $0.50 input, $1.5 output per 1M via Azure Cognitive Services
Tracked offerings
3
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Azure Cognitive Servicesgpt-3.5-turbo-0125global$0.50$1.516.4KAug 11, 2026
Azuregpt-3.5-turbo-0125global$0.50$1.516.4KAug 11, 2026
OpenAIgpt-3.5-turboglobal$0.50$1.516.4KAug 11, 2026

Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.

GPT-3.5-Turbo Versions

Available versions of this model. The score column identifies the version used in the overall ranking.

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GPT-3.5 TurboMar 21, 20230.0N/A16.4K4.1KNoProprietary

What is GPT-3.5-Turbo?

Key information about GPT-3.5-Turbo and its available data.

5 Turbo model with higher accuracy at responding in requested formats and a fix for a bug which caused a text encoding issue for non-English language function calls.

Data as of 2026-08-11.

GPT-3.5-Turbo vs nearby models

Open a comparison with the three ranked models immediately above and below this model.

GPT-3.5-TurbovsIBM Granite 4.0 TinyGPT-3.5-TurbovsLlama 3.2 11BGPT-3.5-TurbovsJamba 1.5 MiniGPT-3.5-TurbovsPhi 3.5 miniGPT-3.5-TurbovsGemini 1.5 Flash 8BGPT-3.5-TurbovsQwen3.5 0.8B

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FAQ

Common questions about GPT-3.5-Turbo.

When was GPT-3.5-Turbo released?

GPT-3.5-Turbo's default version was released on Mar 21, 2023.

How much does GPT-3.5-Turbo cost?

GPT-3.5-Turbo's official API price is $0.50 per million input tokens and $1.5 per million output tokens via OpenAI. The lowest tracked third-party offer starts at $0.50 input and $1.5 output via Azure Cognitive Services.

Who created GPT-3.5-Turbo?

GPT-3.5-Turbo was created by OpenAI.

What is the context window for GPT-3.5-Turbo?

The default version has a 16.4K token context window.

Is GPT-3.5-Turbo open weight?

No. The default version is not marked as having publicly available weights.

How many API providers offer GPT-3.5-Turbo?

3 provider offerings are linked to the default version.

What models should I compare GPT-3.5-Turbo with?

Nearby ranked alternatives include IBM Granite 4.0 Tiny, Llama 3.2 11B, Jamba 1.5 Mini.