G
GAI coding assistant and agents for editors, terminal, desktop and GitHub
Free, from $10/mo
OpenAI Codex vs Tabby
Pricing, features, platforms and who each one suits — side by side.
O
Choose OpenAI Codex if…
- you want the lower entry price ($8/mo vs $19/mo)
- you need an API to build on
- you work on iOS, Slack
- you're in its core audience: software developers, engineering teams
T
Choose Tabby if…
- you want open source you can self-host or audit
- you work on Self-hosted, VS Code, JetBrains
- you're in its core audience: software developers, small development teams
Side by side
Feature OpenAI Codex Tabby
Pricing modelFreemiumFreemium
Starting price$8/mo$19/mo
Free plan
Free trial
API
Open source
Security and complianceSOC 2 Type II, ISO 27001, GDPR, HIPAA—
Updates, last 90 days5—
Agent mode
Tab completion—
CLI / terminal—
Cloud agents—
AI PR review—
Local / self-hosted models—
PlatformsWeb, iOS, API, SlackSelf-hosted, VS Code, JetBrains, Web
CategoryCode AssistantsCode Assistants
CompanyOpenAI OpCo, LLCTabbyML, Inc.
Based inUnited States—
Founded——
Part of——
Key features
O OpenAI Codex
- Desktop app for local coding chats
- Command-line interface (CLI)
- IDE extension
- Cloud tasks through Codex on the web
- Automatic GitHub code review
- Slack integration
- SDK for scriptable workflows
- Works with an API key and pay-per-use billing
T Tabby
- Context-aware code completion in the IDE
- Answer Engine for coding questions with cited sources
- Inline chat inside the code editor
- Context providers connecting docs and data sources
- Self-hosting on consumer-grade GPUs
- No external database or cloud service required
- Pochi agent for planning and executing tasks
- SSO, usage analytics and telemetry policies on Enterprise
Plans and prices
From each vendor's site. Prices change — confirm before buying.
OpenAI Codex
Free$0/month
Go$8/month
Plus$20/month
ProFrom $100/month
Business$20/user/month billed annually; $25 billed monthly
Enterprise & EduContact sales
API KeyPay per usage
Tabby
CommunityFree
Team$19/mo per seat
EnterpriseCustom
Tabby Cloud (Pochi)Usage-based
Strengths and limitations
OpenAI Codex
- Free plan includes basic Codex use in the desktop app
- Available in the desktop app, CLI, IDE, web, iOS and SDK
- Enterprise controls such as SCIM, RBAC, EKM and data residency
- API key option for pay-per-use billing
- Free and Go plans have no published usage numbers
- Plus usage limits are given only as estimated ranges
- API key use doesn't include cloud features such as code review or Slack
Tabby
- Open source and self-hostable
- Free Community plan for up to 5 users
- Supports VS Code, Neovim, Eclipse and many JetBrains IDEs
- Tab Completion on Tabby Cloud is free with no usage limits
- Free plan is limited to 5 users
- SSO and telemetry policy controls require the Enterprise plan
- Enterprise pricing is only available by contacting sales
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Built from each vendor's public website; we haven't tested them hands-on. Editorial policy