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Compare AI products

Put 2–4 AI products side by side: rating, China availability, pricing tier, open source, self-hosting, capability tags, pros and cons.

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OpenAI CodexGitHub Copilot

Compare AI products	OpenAI Codex Visit Site	GitHub Copilot Visit Site
Rating	9.7	9.2
Category	Coding agents	Coding agents
Vendor	OpenAI	GitHub / Microsoft
Started	2021	2021
Region	Global	Global
China availability	Overseas access	Limited in China
Pricing tier	Paid	Free tier
Current flagship	GPT-5.6 Codex / Canvas	Copilot multi-model (GPT-5.6, Claude, Grok 4.6, Gemini)
Open source	No	No
Self-hostable	No	No
Capability tags	CodingAutonomous agent	CodingEnterprise ready
Latest release	Jul 2026 · GPT-5.6 Codex loop	Aug 2026 · Grok 4.6 across surfaces
Notes	—	Unstable GitHub routing; needs overseas payment
Strengths	Pioneer in AI code generation; powers GitHub Copilot and ChatGPT Canvas workspace Extensive coverage across 70+ languages, system APIs, and test generation	Most widely deployed coding assistant; deep GitHub repo, PR, and Issue synergy Broad IDE support (VS Code, JetBrains, Visual Studio, Xcode) with enterprise indemnification
Caveats	Standalone legacy API merged into modern GPT flagships and Canvas rather than a standalone IDE	Autonomous workspace refactoring is historically slower than modern dedicated AI IDEs

Timelines are compiled from public sources and may lag. Check official sites, pricing, and changelogs before you buy or integrate. Not investment advice.