Comet vs JetBrains AI Assistant
Which Agents AI tool is better in 2026?
Comet
The AI Developer Platform for building, debugging, and deploying reliable AI agents.
JetBrains AI Assistant
AI inside IntelliJ, PyCharm, WebStorm — code without leaving your JetBrains IDE
Side-by-side
| Comet | JetBrains AI Assistant | |
|---|---|---|
| Tagline | The AI Developer Platform for building, debugging, and deploying reliable AI agents. | AI inside IntelliJ, PyCharm, WebStorm — code without leaving your JetBrains IDE |
| Founded | — | 2024 |
| HQ | — | Prague, CZ |
| Employees | — | 5000+ |
| Total funding | Undisclosed | Undisclosed |
| Latest round | — | corporate-backed · Jan 2024 |
| Valuation | — | — |
| Cheapest paid plan | — | — |
| Free plan | ✓ Opik Cloud | ✓ Free |
| Free trial | ✓ | ✓ |
| Top tier price | Custom Deployment · Contact sales | AI Enterprise · Contact sales |
| Pricing summary | 3 published plans | 2 published plans |
| Categories |
Capability matrix
Developer-facing capabilities and access signals for Comet and JetBrains AI Assistant.
| Capability | Comet | JetBrains AI Assistant |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | 2 (Kotlin, Java) |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Comet
- Strong in AI Agents
🔵 Strengths of JetBrains AI Assistant
- Higher Neuron score (75 vs 12)
- Lower starting price ($8/mo)
- Newer company (2024)
Which should you choose?
Choose JetBrains AI Assistant if price matters most — it starts at Free · From $8/mo, which is friendlier for teams watching burn. Both AI Agents tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose JetBrains AI Assistant if you want the most established option — it has raised Undisclosed, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Comet vs JetBrains AI Assistant — which is better?
It depends on your priority. Comet is the leaner option; JetBrains AI Assistant is cheaper to start. See the side-by-side table above.
Is Comet cheaper than JetBrains AI Assistant?
No — JetBrains AI Assistant's cheapest paid plan is Free, while Comet's is Free.
Do Comet and JetBrains AI Assistant offer free plans?
Comet: Yes, has a free plan. JetBrains AI Assistant: Yes, has a free plan.
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