gpt-oss-20b (free) — OpenAI | AI Model Details | Neura | Neura Market
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    OpenAI

    gpt-oss-20b (free)

    by OpenAItext->text2 endpoints

    Overview

    gpt-oss-20b is an open-weight 21B parameter model released by OpenAI under the Apache 2.0 license. It uses a Mixture-of-Experts (MoE) architecture with 3.6B active parameters per forward pass, optimized for...

    Capabilities

    Text generation
    Tool use / Function calling
    Extended reasoning
    Long context

    Modalities

    Input
    Text
    Output
    Text

    Technical Specifications

    Context Window
    131.1K tokens
    Max Output
    8.2K tokens
    Knowledge Cutoff
    2024-06-30
    Tokenizer
    GPT
    Content Moderation
    Enabled
    Uptime (24h)
    9973.0%

    Supported Parameters

    include_reasoningmax_tokensreasoningseedstoptemperaturetool_choicetools

    Pricing

    Per 1M tokens
    Free
    OpenAI WebsiteHugging Face

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    Added
    August 5, 2025
    Last synced 6/11/2026

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