CodexAI Coding Assistants
vs
TabbyOpensource, self-hosted AI coding assistant
Comparison · AI Coding Assistants · weekly run Nov 3
Codex vs Tabby
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Codex is the stronger AI pick in AI Coding Assistants: it has a visibility score of 20.9 versus 0.3 for Tabby.
Choose Codex if…
- You want the brand AI engines rank higher (20.9 vs 0.3)
- Strong for autonomous coding tasks
- Frequently included in top AI coding shortlists
- Enterprise-scale engineering adoption
Choose Tabby if…
- AI answers describe it more positively (100% vs 64% positive)
- You need a self-hosted or on-premises option
- privacy and self-hosting
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Codex | Tabby |
|---|---|---|
| Visibility score | 20.9% | 0.3% |
| Change vs last week | New | New |
| Rank in AI Coding Assistants | #4 | #36 |
| Share of voice | 5.4% | 0.2% |
| Mentions this run | 28 | 1 |
| Positive in AI answers | 64% | 100% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Codex 0pp · Tabby 0pp over 0 weekly runs.
Engine by engine
Codex leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
CodexTabby
Head to head in AI answers
0 engine answers name both brands
0Codex ranked higher
0Tabby ranked higher
Features, pricing & fit
| Dimension | Codex | Tabby |
|---|---|---|
| Pricing model | — | Per seat |
| Entry price | — | Free; paid from $19 per seat / mo |
| Free plan | — | Yes |
| Deployment | Cloud-hosted agent, with local CLI, IDE extension and desktop app surfaces. | Self-hosted on-premises or in the cloud, with no external DBMS or cloud services required |
| Support | — | Community Slack, Email support, Dedicated Slack channel |
| Founded | 2025 | 2023 |
| Headquarters | — | San Francisco, California, United States |
| Employees | — | 11–50 |
| Funding | — | Seed · $7M raised |
| Best for | Software engineers who want an AI agent to handle coding tasks such as writing code and fixing bugs. | Developers and teams who want a self-hosted, open-source alternative to GitHub Copilot and need to keep control of their code and infrastructure. |
Plans side by side
Codex
Pricing not available.
Tabby
Community$0per month, free open source
Team$19per seat per month
EnterpriseCustomcustom, billed annually
Pros and cons
Themes from the AI answers that mention each brand
Codex
- Strong for autonomous coding tasks
- Frequently included in top AI coding shortlists
- Enterprise-scale engineering adoption
- Deterministic multi-step task execution for OpenAI-first teams
- Delegated engineering tasks, code review, and cloud or parallel agent workflows
- Appears less consistently in enterprise analyst lists
Tabby
- privacy and self-hosting
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Codex vs Tabby”, https://slateindex.ai/compare/codex-vs-tabby, data of Nov 3, 2026. Licence: CC BY 4.0.