OpenAIReleased on Mar 21, 2023

GPT-3.5 Turbo: API Pricing, Context Window & Benchmarks

GPT-3.5 Turbo is a language model from OpenAI, released in March 2023, with a 16K-token context window, and pricing from $0.500/M input and $1.50/M output.

The latest GPT-3.5 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.

Input
Text
Output
Text

GPT-3.5 Turbo benchmarks

Rankings

Quality Tracker

GPT-3.5 Turbo Performance Across Datasets

Scores sourced from the model's scorecard, paper, or official blog posts

LLM Stats Logollm-stats.com - Sat Jul 18 2026
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GPT-3.5 Turbo pricing

Providers

GPT-3.5 Turbo starts at $0.500 per million input tokens and $1.50 per million output tokens via Azure. See all 2 providers below with their per-token pricing, latency, throughput, and modality support.

ProviderInput $/MOutput $/MWorkload 1M + 100KContext in / outTTFT p50 / p95 sOutput avg / p5 c/sSuccess 7dModalities in / out
Azure logoAzure
$0.500$1.50$0.65016.4K/4.1K
/0.80
90/
/
OpenAI logoOpenAI
$0.500$1.50$0.65016.4K/4.1K
1.50/2.95
279/175
97.06%(34)
/

Workload cost uses 1M input tokens plus 100K output tokens at published list prices without assuming a cache hit. Cached input is the discounted price for prompt tokens served from a provider cache. TTFT is time to first token. Output is characters per second; p5 is the sustained floor exceeded by 95% of observed requests. Success is calculated from completed versus failed requests over the trailing seven days.

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GPT-3.5 Turbo context window

Input and output token limits for GPT-3.5 Turbo, plus how it ranks on long-context understanding.

InputOutput
16Ktokens
4Ktokens
25 pages of text
16K
8K128K1M

GPT-3.5 Turbo API

POST/v1/chat/completions

Run a request to see the response

Use it in your code

Billed at $0.50 input / $1.50 output per 1M tokens through the LLM Stats gateway.

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://gateway.llm-stats.com/v1"
)

response = client.chat.completions.create(
    model="gpt-3.5-turbo-0125",
    messages=[
        {"role": "user", "content": "What is machine learning?"}
    ]
)

print(response.choices[0].message.content)

Need an API key? Create one above in the playground, or read the API documentation.

GPT-3.5 Turbo latency

GPT-3.5 Turbo time to first token, sustained output throughput, and failed-request rate from live API traffic over the trailing 7 days.

Provider operational metrics

Time to first token, output throughput, and failed-request rate from live API traffic

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GPT-3.5 Turbo examples

Recent arena outputs from GPT-3.5 Turbo, picked from the highest-ranked matchups.

GPT-3.5 Turbo license

GPT-3.5 Turbo is a proprietary model available under its provider's product and API terms, has a knowledge cutoff of September 2021.

License
Proprietary
Hosted access
Knowledge cutoff
September 2021

Proprietary license - usage restrictions apply

GPT-3.5 Turbo resources

Official sources for GPT-3.5 Turbo: api documentation, official playground, official launch post.

GPT-3.5 Turbo vs other models

The most-compared alternatives to GPT-3.5 Turbo are GPT-4, Claude 3 Sonnet, Gemma 2 27B. Open any pair side-by-side for benchmarks, pricing, context, and latency.

Models like GPT-3.5 Turbo

Models ranked just above and below GPT-3.5 Turbo by LLM Stats score.

 

GPT-4

Score pending
 

Claude 3 Sonnet

Score pending
 

Gemma 2 27B

Score pending
 

Ministral 3 (3B Base 2512)

Score pending
 

Phi-3.5-MoE-instruct

Score pending
 

Llama 3.1 8B Instruct

Score pending

FAQ

Common questions about GPT-3.5 Turbo.

When was GPT-3.5 Turbo released?

GPT-3.5 Turbo was released on March 21, 2023 by OpenAI. This is the official GPT-3.5 Turbo release date tracked on LLM Stats.

How much does GPT-3.5 Turbo cost?

GPT-3.5 Turbo costs $0.50 per million input tokens and $1.50 per million output tokens through the LLM Stats API, which works with any OpenAI-compatible SDK. Across tracked providers, the lowest price is $0.50 per million input tokens via Azure.

Is GPT-3.5 Turbo available via API?

Yes. GPT-3.5 Turbo is available through the LLM Stats API and works with any OpenAI-compatible SDK — point your client at the gateway base URL and pass the model name. It is served by 2 providers tracked on LLM Stats.

Who created GPT-3.5 Turbo?

GPT-3.5 Turbo was created by OpenAI.

What is the license for GPT-3.5 Turbo?

GPT-3.5 Turbo is released under the Proprietary license.

What is the knowledge cutoff date for GPT-3.5 Turbo?

GPT-3.5 Turbo has a knowledge cutoff of September 2021, meaning it was trained on data up to that point and may not know about events after it.

What is GPT-3.5 Turbo latency?

GPT-3.5 Turbo p95 time to first token is 2.95 seconds via OpenAI over the trailing 7 days. Lower time to first token means the model begins responding sooner for chat, agents and API workloads.

Where can I use GPT-3.5 Turbo?

GPT-3.5 Turbo is available through 2 providers including Azure, OpenAI.

Where is the GPT-3.5 Turbo paper or technical report?

GPT-3.5 Turbo has a paper or technical report available at https://openai.com/blog/new-models-and-developer-products-announced-at-devday. Use that source for architecture, training, release and evaluation details.

What models should I compare GPT-3.5 Turbo against?

Common GPT-3.5 Turbo comparisons include GPT-3.5 Turbo vs GPT-4, GPT-3.5 Turbo vs Claude 3 Sonnet, GPT-3.5 Turbo vs Gemma 2 27B. Compare them side by side for benchmark scores, pricing, context window, latency and API availability.