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What is GPT‑5.3‑Codex‑Spark?

GPT-5.3-Codex-Spark is a specialized, ultra-fast coding model designed to enable real-time collaboration within the Codex platform. As a streamlined variant of GPT-5.3-Codex, it prioritizes latency-sensitive workflows where immediate responsiveness is critical. When deployed on Cerebras’ Wafer Scale Engine 3 hardware, Codex-Spark delivers more than 1000 tokens per second, dramatically accelerating interactive development sessions. The model supports a 128k context window, allowing developers to maintain broad project awareness while iterating quickly. It is optimized for making minimal, precise edits and refining logic or interfaces without automatically executing additional steps unless instructed. OpenAI implemented extensive infrastructure upgrades—including persistent WebSocket connections and inference stack rewrites—to reduce time-to-first-token by 50% and cut client-server overhead by up to 80%. On software engineering benchmarks such as SWE-Bench Pro and Terminal-Bench 2.0, Codex-Spark demonstrates strong capability while completing tasks in a fraction of the time required by larger models. During the research preview, usage is governed by separate rate limits and may be queued during peak demand. Codex-Spark is available to ChatGPT Pro users through the Codex app, CLI, and VS Code extension, with API access for select design partners. The model incorporates the same safety and preparedness evaluations as OpenAI’s mainline systems. This release signals a shift toward dual-mode coding systems that combine rapid interactive loops with delegated long-running tasks. By tightening the iteration cycle between idea and execution, GPT-5.3-Codex-Spark expands what developers can build in real time.

What is Cerebra?

Cerebra offers a no-code decision intelligence platform designed to empower marketing and merchandising teams, allowing them to leverage data-driven strategies instead of relying on guesswork. By moving away from conventional retail practices, the platform creates a real-time retail environment that minimizes missed opportunities, prevents excess inventory, and addresses pricing inaccuracies. Rather than overwhelming users with complex data sets that require significant analysis, Cerebra delivers timely, actionable recommendations alongside predicted business outcomes, enhancing productivity through impactful insights and actions. Utilizing AI technology, it actively seeks to boost profitability while reducing waste, enabling operations to adapt swiftly in real time. With Cerebra, insights that drive action are automatically implemented, fostering a culture of data-informed decision-making at every organizational level. The platform seamlessly integrates and analyzes both internal and external data sources, revealing insights that not only increase brand profitability but also improve customer satisfaction and mitigate inventory excess. Furthermore, the user-friendly interface means there is no need for extensive training in complicated areas like big data analytics or data manipulation, ensuring that it is accessible for everyone. This groundbreaking approach allows teams to concentrate on strategic goals without becoming overwhelmed by data complexities, ultimately fostering a more efficient and focused work environment.

Media

Media

Integrations Supported

Bazaarvoice
BigCommerce
Codex CLI
Codex Security
Facebook
Google
Google Analytics
Instagram
LinkedIn
Microsoft Foundry
OpenAI
OpenAI Codex
OpenClaw
Reddit
SAP Cloud Platform
Salesforce
Shopify
Stamped
TikTok
X (Twitter)

Integrations Supported

Bazaarvoice
BigCommerce
Codex CLI
Codex Security
Facebook
Google
Google Analytics
Instagram
LinkedIn
Microsoft Foundry
OpenAI
OpenAI Codex
OpenClaw
Reddit
SAP Cloud Platform
Salesforce
Shopify
Stamped
TikTok
X (Twitter)

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Pricing Information

$499 per month
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

OpenAI

Date Founded

2015

Company Location

United States

Company Website

openai.com

Company Facts

Organization Name

Cerebra

Company Location

United States

Company Website

www.cerebra.ai/

Categories and Features

Marketing Analytics

A/B Testing
Campaign Management
Channel Attribution
Customer Journey Mapping
Dashboard
Performance Metrics
Predictive Analytics
ROI Tracking
Social Media Metrics
Website Analytics

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