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Description
GPT-5.3-Codex-Spark is OpenAI’s first model purpose-built for real-time coding within the Codex ecosystem. Engineered for ultra-low latency, it can generate more than 1000 tokens per second when running on Cerebras’ Wafer Scale Engine hardware. Unlike larger frontier models designed for long-running autonomous tasks, Codex-Spark specializes in rapid iteration, targeted edits, and immediate feedback loops. Developers can interrupt, redirect, and refine outputs interactively, making it ideal for collaborative coding sessions. The model features a 128k context window and is currently text-only during its research preview phase. End-to-end latency improvements—including WebSocket streaming and inference stack optimizations—reduce time-to-first-token by 50% and overall roundtrip overhead by up to 80%. Codex-Spark performs strongly on benchmarks such as SWE-Bench Pro and Terminal-Bench 2.0 while completing tasks significantly faster than its larger counterpart. It is available to ChatGPT Pro users in the Codex app, CLI, and VS Code extension with separate rate limits during preview. The model maintains OpenAI’s standard safety training and evaluation protocols. Codex-Spark represents the beginning of a dual-mode Codex future that blends real-time interaction with long-horizon reasoning capabilities.
Description
Repo Prompt is an AI coding assistant designed specifically for macOS, which serves as a context engineering tool that empowers developers to interact with and refine codebases through the use of large language models. By enabling users to select particular files or directories, it allows for the creation of structured prompts that contain only the most relevant context, thereby facilitating the review and application of AI-generated code alterations as diffs instead of requiring rewrites of entire files, which ensures meticulous and traceable modifications. Additionally, it features a visual file explorer for efficient project navigation, an intelligent context builder, and CodeMaps that minimize token usage while enhancing the models' comprehension of project structures. Users benefit from multi-model support, enabling them to utilize their own API keys from various providers such as OpenAI, Anthropic, Gemini, and Azure, ensuring that all processing remains local and private unless the user chooses to send code to a language model. Repo Prompt is versatile, functioning as both an independent chat/workflow interface and as an MCP (Model Context Protocol) server, allowing for seamless integration with AI editors, making it an essential tool in modern software development. Overall, its robust features significantly streamline the coding process while maintaining a strong emphasis on user control and privacy.
API Access
Has API
API Access
Has API
Integrations
Codex CLI
OpenAI
OpenAI Codex
ChatGPT
Claude
Claude Code
Codex Security
Cursor
DeepSeek
Gemini
Integrations
Codex CLI
OpenAI
OpenAI Codex
ChatGPT
Claude
Claude Code
Codex Security
Cursor
DeepSeek
Gemini
Pricing Details
No price information available.
Free Trial
Free Version
Pricing Details
$14.99 per month
Free Trial
Free Version
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Vendor Details
Company Name
OpenAI
Founded
2015
Country
United States
Website
openai.com
Vendor Details
Company Name
Repo Prompt
Country
United States
Website
repoprompt.com