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    GPT-OSS 20B

    Chat

    gpt-oss-20b

    GPT-OSS 20B on FlexAI: OpenAI LLM, Apache 2.0 license, served via the OpenAI-compatible Token Factory at the live market-tracked rate.

    Pricing

    Input

    $0.027 / M tokens

    Output

    $0.117 / M tokens

    Pricing source

    Context

    128K tokens

    API endpoint

    /v1/chat/completions

    Compatibility

    OpenAI

    Parameters

    20B

    License

    Apache 2.0

    Hardware

    H100

    Quantization

    MXFP4

    Estimate your monthly cost

    M tokens
    M tokens
    10M × $0.027/M input$0.27
    2M × $0.117/M output$0.23
    Estimated monthly cost$0.5

    Estimate only, at the current market-tracked rate. Usage-based; no minimums.

    Get an API key

    Quick Start

    from openai import OpenAI
    
    client = OpenAI(
        base_url="https://tokens.flex.ai/v1",
        api_key="your-api-key",
    )
    
    response = client.chat.completions.create(
        model="gpt-oss-20b",
        messages=[
            {"role": "user", "content": "Hello!"}
        ],
    )
    
    print(response.choices[0].message.content)