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    • © 2025 OpenRouter, Inc

    OpenAI: GPT-3.5 Turbo

    openai/gpt-3.5-turbo

    Created May 28, 202316,385 context
    $0.50/M input tokens$1.50/M output tokens

    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.

    Recent activity on GPT-3.5 Turbo

    Total usage per day on OpenRouter

    Prompt
    64.3M
    Completion
    7.19M

    Prompt tokens measure input size. Reasoning tokens show internal thinking before a response. Completion tokens reflect total output length.