GPT-5.3-Codex — OpenAI | AI Model Details | Neura | Neura Market
    Neura Market
    Neura Market
    Marketplace
    Directories
    Resources
    Home/Models/GPT-5.3-Codex
    OpenAI

    GPT-5.3-Codex

    by OpenAItext+image+file->text3 endpoints
    Neura Intelligence Index
    42.0/ 100
    Rank
    #181—
    Confidence
    low
    Benchmarks
    1(3% coverage)

    Overview

    GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2. It achieves state-of-the-art results...

    Capabilities

    Text generation
    Image understanding
    Tool use / Function calling
    Structured output
    Extended reasoning
    Prompt caching

    Modalities

    Input
    TextImageFile
    Output
    Text

    Technical Specifications

    Context Window
    400K tokens
    Max Output
    128K tokens
    Tokenizer
    GPT
    Content Moderation
    Enabled
    Uptime (24h)
    9976.0%
    Country
    🇺🇸US
    Release Date

    Supported Parameters

    include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetools

    Benchmark Performance

    coding

    BenchmarkScoreSource
    SWE-Bench Pro
    56.8
    		verified

    Performance Over Time

    Pricing

    Per 1M tokens
    Input$1.75
    Output$14.00
    Cache read$0.17
    OpenAI Website

    More from OpenAI

    View all models

    GPT Audio

    OpenAI

    $2.50/M in128K ctx

    GPT Audio Mini

    OpenAI

    $0.60/M in128K ctx

    Marketplace

    • Prompts
    • Workflows
    • Agents Store
    • Workflow Packs
    • Categories
    • Marketplace

    Directories

    • AI Tools Directory
    • ChatGPT
    • Claude
    • Gemini
    • Cursor
    • Grok
    • DeepSeek
    • Perplexity
    • CoPilot
    • Midjourney
    • Stable Diffusion
    • MCP Servers
    • .md Directory
    • All Directories

    Free Tools

    • AI Text Humanizer
    • AI Content Detector
    • Workflow Generator
    • Model Comparison
    • AI Pricing Calculator
    • AI Benchmarks
    • ROI Calculator
    • All Free Tools

    Resources

    • AI News
    • Blog
    • AI Answers
    • Error Solutions
    • AI Tutorials
    • AI Models
    • Integrations
    • Alternatives
    • n8n vs Zapier
    • Make vs Zapier
    • n8n vs Make
    • Resource Library
    • Documentation
    • API Access to Our Data

    Community

    • AI Newsletter
    • AI Jobs
    • AI Events
    • AI Companies
    • Start Selling
    • Sell n8n Workflows
    • Sell AI Agents
    • Sell Prompts
    • Creator Guide
    • Advertise
    • Affiliates

    Company

    • About
    • Contact
    • Help
    • Careers
    • Pricing
    • Terms
    • Privacy
    • License
    • DMCA

    The #1 Newsletter in AI

    Weekly updates, news, and content that matter.

    Neura Market Logoneuramarket

    © 2026 Neura Market. All rights reserved.

    Long context
    File input
    Deterministic seed
    February 5, 20265mo
    Added
    February 24, 2026
    Last synced 7/21/2026

    GPT Chat Latest

    OpenAI

    $5.00/M in400K ctx

    GPT-3.5 Turbo

    OpenAI

    $0.50/M in16.4K ctx