Comparison

OpenAI Codex vs Tabby

A like-for-like, spec-level comparison. Both entries are verified against their docs and repo.

OpenAI Codex

OpenAI's open-source agentic coding CLI.

+ Open-source CLI
+ Sandboxed command execution
− OpenAI models only
− Newer, less battle-tested than incumbents

Tabby

Self-hosted AI coding assistant for teams.

+ Fully self-hosted, code never leaves your network
+ Local-model first
− Weaker agent capability than frontier-model tools
− Needs GPU for good latency

Spec	OpenAI Codex	Tabby
Category	coding-agent	coding-agent
License	Apache-2.0	Apache-2.0
Open source	Yes	Yes
Self-hostable	No	Yes
MCP support	Yes	No
Pricing	usage	free
Starting price	Pay per token (OpenAI API)	BYOK or local GPU
Models	gpt	local, byok
Languages	multi	rust, python
GitHub stars	93.6k	33.7k
Last activity	2026-06-25	2026-03-02