Codex vs JetBrains AI Assistant
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 6.2 for JetBrains AI Assistant, and ranks ahead in 80% of the answers that name both.
Choose Codex if…
- You want the brand AI engines rank higher (20.9 vs 6.2)
- AI answers describe it more positively (64% vs 33% positive)
- Strong for autonomous coding tasks
- Frequently included in top AI coding shortlists
Choose JetBrains AI Assistant if…
- You need SOC 2 coverage
- natural choice for teams standardized on JetBrains IDEs
- listed among the strongest AI coding platforms
- limited trial available to eligible users
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Codex | JetBrains AI Assistant |
|---|---|---|
| Visibility score | 20.9% | 6.2% |
| Change vs last week | New | New |
| Rank in AI Coding Assistants | #4 | #15 |
| Share of voice | 5.4% | 2.2% |
| Mentions this run | 28 | 12 |
| Positive in AI answers | 64% | 33% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Codex 0pp · JetBrains AI Assistant 0pp over 0 weekly runs.
Engine by engine
Codex leads on 3 of 3 engines
Head to head in AI answers
10 engine answers name both brands
| Prompt | Engine | Codex | JetBrains AI Assistant |
|---|---|---|---|
| What features matter most in an AI coding assistant? | ChatGPT | #4 | #5 |
| Compare the leading AI coding assistant platforms | ChatGPT | #4 | #6 |
| Compare the leading AI coding assistant platforms | Perplexity | #4 | #15 |
| Alternatives to the most popular AI coding assistant | Perplexity | #4 | #9 |
| Best AI coding assistant with AI features | ChatGPT | #1 | #11 |
| Which AI coding assistant vendors do analysts recommend? | Perplexity | #11 | #10 |
| Which AI coding assistant offers a free trial? | ChatGPT | #5 | #1 |
| Official website of the top AI coding assistant vendors | ChatGPT | #2 | #10 |
| Where can I sign up for an AI coding assistant? | Perplexity | #3 | #5 |
| Who makes the most used AI coding assistant? | ChatGPT | #3 | #7 |
Features, pricing & fit
| Dimension | Codex | JetBrains AI Assistant |
|---|---|---|
| Deployment | Cloud-hosted agent, with local CLI, IDE extension and desktop app surfaces. | Plugin inside JetBrains IDEs; works only within JetBrains IDEs |
| Compliance | — | SOC 2 |
| Support | — | Contact support form, Enterprise-grade support |
| Founded | 2025 | 2000 |
| Headquarters | — | Amsterdam, Netherlands |
| Employees | — | 1,001–5,000 |
| Funding | — | Incubator/accelerator round (Leading European Tech Scaleups) |
| Best for | Software engineers who want an AI agent to handle coding tasks such as writing code and fixing bugs. | Development teams and businesses that want AI coding help inside JetBrains IDEs |
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
JetBrains AI Assistant
- natural choice for teams standardized on JetBrains IDEs
- listed among the strongest AI coding platforms
- limited trial available to eligible users
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Codex vs JetBrains AI Assistant”, https://slateindex.ai/compare/codex-vs-jetbrains-ai-assistant, data of Nov 3, 2026. Licence: CC BY 4.0.