Last refreshed 2026-05-22. Next refresh: weekly.
Why use GPT-3.5 Turbo on Vercel AI Gateway?
Vercel AI Gateway offers GPT-3.5 Turbo with pay-as-you-go pricing at $0.50/1M input tokens. Vercel AI Gateway is a unified AI proxy providing a single OpenAI-compatible API endpoint to 275+ models from 25+ providers including Anthropic, OpenAI, Google, Meta, Mistral, DeepSeek, xAI, Alibaba, Amazon, ByteDance, Cohere, MiniMax, MoonshotAI, KwaiPilot, Black Forest Labs, Recraft, Voyage AI, NVIDIA, and more.
Compare GPT-3.5 Turbo across 6 providers to find the best fit for your use caseSetup recipe
Python + curlpip install openaiexport AI_GATEWAY_API_KEY=...import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["AI_GATEWAY_API_KEY"],openai/gpt-3.5-turboRequest example
import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["AI_GATEWAY_API_KEY"],
base_url="https://ai-gateway.vercel.sh/v1"
)
response = client.chat.completions.create(
model="openai/gpt-3.5-turbo",
messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)Gotchas
- Use provider model ID "openai/gpt-3.5-turbo", not the LLMReference slug "gpt-3.5-turbo".
- creator/model-name e.g. kwaipilot/kat-coder-pro-v2
- The examples expect AI_GATEWAY_API_KEY; rename it only if your application config maps the new variable.
Compare GPT-3.5 Turbo Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Azure OpenAI | $0.50 | $1.50 |
| OpenAI API | $0.50 | $1.50 |
| Salesforce Einstein Generative AI | — | — |
| OpenRouter | $0.50 | $1.50 |
| Replicate API | $0.50 | $1.50 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.50 |
| Output tokens | $1.50 |
Capabilities
About GPT-3.5 Turbo
GPT-3.5 Turbo is an advanced language model developed by OpenAI, showcasing significant advancements over GPT-3 and GPT-3.5. As the engine behind the popular ChatGPT application, it excels in tasks like text generation, translation, question answering, summarization, and code generation. This model employs Reinforcement Learning from Human Feedback (RLHF) to enhance accuracy and produce policy-optimized responses. Despite its prowess, it has a knowledge cutoff of September 2021 and can demonstrate biases from its training data. Occasionally, it may generate incorrect or nonsensical content, known as "hallucination," and is sensitive to input phrasing variations. Additionally, the free version may experience slowdowns due to high demand. Nevertheless, GPT-3.5 Turbo remains a powerful tool with versatile applications across numerous fields.
FAQ
What does GPT-3.5 Turbo cost on Vercel AI Gateway?
On Vercel AI Gateway, GPT-3.5 Turbo costs $0.5 per 1M input tokens and $1.5 per 1M output tokens.
What is the context window for GPT-3.5 Turbo on Vercel AI Gateway?
GPT-3.5 Turbo supports a 16,385 token context window on Vercel AI Gateway.
How does Vercel AI Gateway compare to other GPT-3.5 Turbo providers?
GPT-3.5 Turbo is available from 6 providers. The cheapest input pricing is $0.5/1M tokens from Azure OpenAI.
What API model ID do I use for GPT-3.5 Turbo on Vercel AI Gateway?
Use the model ID openai/gpt-3.5-turbo when calling Vercel AI Gateway's API.
Who created GPT-3.5 Turbo?
GPT-3.5 Turbo was created by OpenAI as part of the GPT-3.5 model family.
Is GPT-3.5 Turbo open source?
GPT-3.5 Turbo is not open source; the seed data lists it as proprietary.