GPT-5 Codex — OpenAI | AI Model Details | Neura | Neura Market
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    OpenAI

    GPT-5 Codex

    by OpenAItext+image->text1 endpoint

    Overview

    GPT-5-Codex is a specialized version of GPT-5 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....

    Capabilities

    Text generation
    Image understanding
    Tool use / Function calling
    Structured output
    Extended reasoning
    Prompt caching
    Web search
    Long context

    Modalities

    Input
    TextImage
    Output
    Text

    Technical Specifications

    Context Window
    400K tokens
    Max Output
    128K tokens
    Knowledge Cutoff
    2024-09-30
    Tokenizer
    GPT
    Content Moderation
    Enabled
    Uptime (24h)
    10000.0%

    Supported Parameters

    include_reasoningmax_tokensreasoningresponse_formatseedstructured_outputstool_choicetools

    Pricing

    Per 1M tokens
    Input$1.25
    Output$10.00
    Cache read$0.13
    Web search$10000.00
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    Added
    September 23, 2025
    Last synced 6/11/2026

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