OpenAI: GPT-3.5 Turbo

OpenAI’s High-Speed, Budget-Friendly LLM for Scalable API Workloads

Context: 16 000 tokens
Output: 4 000 tokens
Modality:
Text
Frame

Fast, Cost-Effective LLM API for Scalable AI Workloads

GPT-3.5 Turbo is a high-performance, budget-friendly language model developed by OpenAI. It’s optimized for real-time applications, offering low-latency, high-throughput text generation at a fraction of the cost of GPT-4. GPT-3.5 Turbo is widely used across industries for powering chatbots, content tools, code assistants, and internal automation - all accessible through a simple API.

As the predecessor to GPT-4 Turbo, it delivers excellent value for developers and teams who need reliable performance at scale without incurring the cost of flagship models.

Key Features of GPT-3.5 Turbo

Fast, Low-Cost API Access

GPT-3.5 Turbo is designed for speed and affordability, making it ideal for startups, MVPs, and low-latency consumer apps.

Up to 16k Context Window

Supports 4,096 tokens by default, with an extended version offering up to 16,384 tokens—enough for medium-length documents and multi-turn sessions.


Strong Text and Code Generation

Trained on a diverse corpus including code, GPT-3.5 Turbo supports code suggestions, completions, and simple logic generation in multiple languages.


Instruction-Tuned Behavior

GPT-3.5 Turbo follows formatting, markdown, and prompt structure more reliably than GPT-3, with solid performance on general-purpose instructions.


High Availability and Stability

Used across ChatGPT, Microsoft Copilot, and numerous SaaS tools, GPT-3.5 Turbo is a proven model for high-uptime production environments.


Use Cases for GPT-3.5 Turbo


Conversational Chatbots

Build responsive chat interfaces for support, onboarding, or ecommerce with low cost per request and real-time responsiveness.


Content and SEO Tools

Automate blog outlines, product descriptions, summaries, and keyword-rich content using GPT-3.5 Turbo’s fast generation engine.


Coding Copilots and Snippets

Help users generate and edit Python, JavaScript, and HTML snippets, as well as generate docstrings and explain code blocks.


Email and Message Drafting

Use GPT-3.5 Turbo to draft customer responses, marketing copy, or templated business communication at scale.


Internal Process Automation

Streamline CRM entry generation, meeting recap writing, and basic report summarization with API-integrated AI.


Why Use GPT-3.5 Turbo via AnyAPI.ai


Unified API Across Models

Integrate GPT-3.5 Turbo with Claude, Gemini, Mistral, and GPT-4 through a single API interface for easy model switching and benchmarking.


No OpenAI Key Needed

Use GPT-3.5 Turbo without registering with OpenAI—get instant access through AnyAPI.ai with simple onboarding.


Usage-Based Billing

Avoid minimum commitments or quotas. Pay only for what you use, with cost-efficient scaling from prototype to production.


Real-Time Developer Tooling

Leverage integrated logging, analytics, and key management to monitor and optimize usage at scale.


More Reliable Than OpenRouter or AIMLAPI

Enjoy better provisioning, throughput guarantees, and developer support through AnyAPI.ai’s infrastructure.


Start Using GPT-3.5 Turbo via AnyAPI.ai Today


GPT-3.5 Turbo is the most accessible and cost-efficient model for developers building responsive AI features into their products.

Access GPT-3.5 Turbo via AnyAPI.ai and build fast, scalable AI apps today.

Sign up, get your API key, and deploy within minutes.

Comparison with other LLMs

Model
Context Window
Multimodal
Latency
Strengths
Model
OpenAI: GPT-3.5 Turbo
Context Window
16k
Multimodal
No
Latency
Very fast
Strengths
Affordable, fast, ideal for lightweight apps
Get access
Model
OpenAI: GPT-4 Turbo
Context Window
128k
Multimodal
Yes
Latency
Very High
Strengths
Production-scale AI systems
Get access
Model
Google: Gemini 1.5 Flash
Context Window
1m
Multimodal
Yes
Latency
Ultra Fast
Strengths
Chatbots, multimodal UIs, automation agents
Get access
Model
Mistral: Mistral Medium
Context Window
32k
Multimodal
No
Latency
Very Fast
Strengths
Open-weight, lightweight, ideal for real-time
Get access

Sample code for 

OpenAI: GPT-3.5 Turbo

import requests

url = "https://api.anyapi.ai/v1/chat/completions"

payload = {
    "model": "gpt-3.5-turbo",
    "messages": [
        {
            "role": "user",
            "content": "Hello"
        }
    ]
}
headers = {
    "Authorization": "Bearer  AnyAPI_API_KEY",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.json())
import requests url = "https://api.anyapi.ai/v1/chat/completions" payload = { "model": "gpt-3.5-turbo", "messages": [ { "role": "user", "content": "Hello" } ] } headers = { "Authorization": "Bearer AnyAPI_API_KEY", "Content-Type": "application/json" } response = requests.post(url, json=payload, headers=headers) print(response.json())
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const url = 'https://api.anyapi.ai/v1/chat/completions';
const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer  AnyAPI_API_KEY', 'Content-Type': 'application/json'},
  body: '{"model":"gpt-3.5-turbo","messages":[{"role":"user","content":"Hello"}]}'
};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
const url = 'https://api.anyapi.ai/v1/chat/completions'; const options = { method: 'POST', headers: {Authorization: 'Bearer AnyAPI_API_KEY', 'Content-Type': 'application/json'}, body: '{"model":"gpt-3.5-turbo","messages":[{"role":"user","content":"Hello"}]}' }; try { const response = await fetch(url, options); const data = await response.json(); console.log(data); } catch (error) { console.error(error); }
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curl --request POST \
  --url https://api.anyapi.ai/v1/chat/completions \
  --header 'Authorization: Bearer  AnyAPI_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
  "model": "gpt-3.5-turbo",
  "messages": [
    {
      "role": "user",
      "content": "Hello"
    }
  ]
}'
curl --request POST \ --url https://api.anyapi.ai/v1/chat/completions \ --header 'Authorization: Bearer AnyAPI_API_KEY' \ --header 'Content-Type: application/json' \ --data '{ "model": "gpt-3.5-turbo", "messages": [ { "role": "user", "content": "Hello" } ] }'
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FAQs

Answers to common questions about integrating and using this AI model via AnyAPI.ai

What is GPT-3.5 Turbo used for?

It powers chatbots, content generators, coding assistants, and lightweight automation tools.

How is GPT-3.5 Turbo different from GPT-4 Turbo?

It’s more affordable and faster, but less capable in long-form reasoning, logic, and safety alignment.

Can I use GPT-3.5 Turbo without OpenAI credentials?

Yes, AnyAPI.ai provides frictionless access without the need for an OpenAI account.

Is GPT-3.5 Turbo suitable for code generation?

Yes, it supports code completions and explanations in popular languages like Python and JS.

Does GPT-3.5 Turbo support long documents?

Yes, especially in its 16k variant, though for very long inputs GPT-4 Turbo or Gemini Pro may be better.

Still have questions?

Contact us for more information

Insights, Tutorials, and AI Tips

Explore the newest tutorials and expert takes on large language model APIs, real-time chatbot performance, prompt engineering, and scalable AI usage.

Discover how long-context AI models can power smarter assistants that remember, summarize, and act across long conversations.
Discover how long-context AI models can power smarter assistants that remember, summarize, and act across long conversations.
Discover how long-context AI models can power smarter assistants that remember, summarize, and act across long conversations.

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