CodeGen

CodeGen

Salesforce
+
+

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About

CodeGen is an open-source model for program synthesis. Trained on TPU-v4. Competitive with OpenAI Codex.

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.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Developers interested in a large language model for code

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

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Salesforce
Founded: 1999
United States
github.com/salesforce/CodeGen

Company Information

OpenAI
Founded: 2015
United States
openai.com

Alternatives

T5

T5

Google

Alternatives

Claude Opus 4.5

Claude Opus 4.5

Anthropic
StarCoder

StarCoder

BigCode
Claude Opus 4.6

Claude Opus 4.6

Anthropic
ChatGPT Pro

ChatGPT Pro

OpenAI
GPT-4.1

GPT-4.1

OpenAI

Categories

Categories

Integrations

Codex CLI
Codex Security
FauxPilot
Forefront
Microsoft Foundry
Motiff
Motileo
OpenAI
OpenAI Codex
OpenClaw
Python
Tabby

Integrations

Codex CLI
Codex Security
FauxPilot
Forefront
Microsoft Foundry
Motiff
Motileo
OpenAI
OpenAI Codex
OpenClaw
Python
Tabby
Claim CodeGen and update features and information
Claim CodeGen and update features and information
Claim GPT‑5.3‑Codex‑Spark and update features and information
Claim GPT‑5.3‑Codex‑Spark and update features and information