Answer · Coding
What AI models does JetBrains AI Assistant use?
JetBrains AI Assistant runs on Claude (Anthropic), GPT-5 (OpenAI) and JetBrains Mellum (Provider undisclosed).
- Models used
- 3
- Primary model
- Claude
- Public API
- Not published
- Last checked
- 2026-08-02
Model claims are labelled by how we know them: Claude — disclosed, GPT-5 — disclosed and JetBrains Mellum — disclosed. "Disclosed" means the vendor says so in public; "inferred" means it was derived from documentation, headers or release notes.
Other stack signals: IntelliJ platform and Local LLM option.
Cite this answer
Tomorrow. “What AI models does JetBrains AI Assistant use?” Tomorrow AI & Emerging Tech Index, AlienSquad, updated 2026-08-02. https://tomorrow.aliensquad.ai/q/what-models-does-jetbrains-ai-use
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