GPT‑5.3‑Codex‑SparkOpenAI
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Related Products
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About
GPT-5.3-Codex-Spark is an ultra-fast coding model designed for real-time collaboration inside Codex. Built as a smaller version of GPT-5.3-Codex, it delivers over 1000 tokens per second when served on low-latency Cerebras hardware. The model is optimized for interactive coding tasks, enabling developers to make targeted edits and see results almost instantly. With a 128k context window, Codex-Spark supports substantial project context while maintaining speed. It focuses on lightweight, precise edits and does not automatically run tests unless prompted. Infrastructure upgrades such as persistent WebSocket connections significantly reduce latency across the full request-response pipeline. Released as a research preview for ChatGPT Pro users, Codex-Spark marks the first milestone in OpenAI’s partnership with Cerebras.
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About
Unabyss is a universal context layer for AI tools that connects once and carries the same live, structured context into every AI a user works with. It pulls information from daily work sources such as Slack, Gmail, Notion, Google Calendar, GitHub, Linear, Google Drive, meeting tools, and more, then extracts, organizes, tags, and keeps that context current automatically. Instead of leaving knowledge trapped inside one chatbot or frozen in a manually maintained context file, Unabyss lets Claude, ChatGPT, Cursor, Codex, Gemini, Perplexity, OpenCode, VS Code, OpenClaw, and other MCP-compatible tools work from the same picture. Each AI can retrieve only the relevant slice of context, structured by topic, source, sensitivity, project, account, and other attributes, so users do not have to repeatedly explain their role, preferences, decisions, clients, repositories, or current priorities.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Software developers, engineering teams, and AI-powered coding tool builders seeking ultra-low-latency, real-time code generation and iterative collaboration within the Codex ecosystem
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Audience
Venture studio operators who need every AI tool to share current company, project, and decision context
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
No information available.
Free Version
Free Trial
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Pricing
$13 per month
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationOpenAI
Founded: 2015
United States
openai.com
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Company InformationUnabyss
Founded: 2026
Poland
unabyss.com
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
OpenAI Codex
OpenClaw
ChatGPT
Claude Code
Codex Security
Cursor
Gemini
GitHub
Gmail
Google Calendar
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Integrations
OpenAI Codex
OpenClaw
ChatGPT
Claude Code
Codex Security
Cursor
Gemini
GitHub
Gmail
Google Calendar
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