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    • © 2025 OpenRouter, Inc

    OpenAI: GPT-3.5 Turbo (older v0613)

    openai/gpt-3.5-turbo-0613

    Created Jan 25, 20244,095 context
    $1/M input tokens$2/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 (older v0613)

    Total usage per day on OpenRouter

    Prompt
    6.58M
    Completion
    3.16M

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