GPT-3.5 Turbo API

Input / 1M tokens$0.44~~$0.50~~

Output / 1M tokens$1.32~~$1.50~~

LLMOpenAI12% below official128K context

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About GPT-3.5 Turbo

GPT-3.5 Turbo by OpenAI is available on API Many from $0.44 per million input tokens and $1.32 per million output tokens, and you call it with the same API key you use for every other model.

It accepts OpenAI-style chat requests with streaming and tools, has a 128K context window and can return up to 16,000 tokens per response.

You pay only for successful results: failed or rejected requests are refunded automatically, and every call is recorded in your console with its exact cost.

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Frequently asked questions

How much does the GPT-3.5 Turbo API cost?

GPT-3.5 Turbo starts at $0.44 per million input tokens and $1.32 per million output tokens on API Many. The price table on this page lists every tier; you are charged only for successful requests.

How do I call GPT-3.5 Turbo?

Create an API key in the console, then send a request to /v1/chat/completions with "model": "gpt-3.5-turbo". The API tab has copy-ready examples in cURL, Python and Node.js.

Is this the official GPT-3.5 Turbo model?

Yes. Requests are forwarded to the model maker or an authorized channel with the same parameters, so the output matches the official API.

What happens if a request fails?

Failed, rejected or timed-out requests are not charged. Reserved balance is released automatically and the reason is shown in the call record.