OpenAI: GPT-3.5 Turbo (older v0613)

openai/gpt-3.5-turbo-0613

PaidTool calling
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Price Published

Input
$1.00
per million tokens
Output
$2.00
per million tokens

Optional features and fallback routes can cost extra. Confirm current terms with the provider.

Specifications Published

Context window
4,095 tokens
Max output
3,685 tokens
Tool calling
Supported
Vision input
Not listed
Reasoning
Not listed
Knowledge cutoff
Sep 30, 2021
Listed since
Jan 25, 2024

Measured by the Club Signed cheapoS reports

Not yet observed No signed request reports for this exact route yet. Missing reports aren't a failure or a zero.

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About this model OpenRouter description

GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks. Training data up to Sep 2021.

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Catalog data from the OpenRouter model catalog, retrieved Sep 29, 2026, 12:37 PM UTC. A listing isn't a live availability check.