JetBrains AI Assistant vs Supermaven: what AI actually recommends
The same buying questions, run after run, to ChatGPT, Claude, Gemini, and Perplexity: the record of which of these two they name first. No opinions, no scores we invented: what the models said.
The models are split: JetBrains AI Assistant and Supermaven each lead in 1 of the 2 categories they share.
That is the latest close, not a verdict for all time. The model-by-model board below shows where they agree, where they split, and how both brands moved.
At the latest close, JetBrains AI Assistant and Supermaven each lead 1 of the 2 categories they both appear in.
Beyond this pairing, JetBrains AI Assistant is ranked in 2 categories; Supermaven is ranked in 2 categories. The board below is the shared slice, where the four models place these two side by side.
The record, category by category.
Consensus rank · latest close- #5JetBrains AI AssistantUp 1 from the last closespread 7Gemini#8PPLX#7
- #9SupermavenNew entry at the last closespread 10Gemini#4
On consensus rank, JetBrains AI Assistant leads here, #5 to Supermaven's #9. 18 to 15 on the 0-100 score. The models split: Gemini rank Supermaven ahead, while keep JetBrains AI Assistant in front. JetBrains AI Assistant climbed 1 since the last close.
- #6SupermavenNew entry at the last closespread 5Gemini#6
- #8JetBrains AI AssistantNew entry at the last closespread 7Gemini#8
Supermaven holds the edge in this category, #6 against JetBrains AI Assistant's #8. 11 to 8 on the 0-100 score. No model ranks JetBrains AI Assistant ahead in this category. Supermaven is new to the board at this close.
What the models actually said.
The ranking is the answer; these are the words behind it. Every quote is from a recorded model answer — follow the category to read it whole.
JetBrains AI Assistant
JetBrains AI Assistant: The most natural and deeply integrated fit for developers heavily reliant on JetBrains IDEs like IntelliJ or PyCharm.
Gemini
Supermaven
Supermaven: Features an incredibly fast engine with a massive context window that processes entire repositories instantly.
Gemini
JetBrains AI Assistant
JetBrains AI Assistant: It is the ultimate choice for developers wholly committed to the IntelliJ platform who want native, seamless AI features without switching editors.
Gemini
Supermaven
Supermaven: It boasts an ultra-low latency architecture and a massive context window for instantaneous, large-scale code suggestions.
Gemini
Where the models split.
Across the 2 categories JetBrains AI Assistant and Supermaven both appear in, the models never break ranks: in each one, the same brand leads on ChatGPT, Claude, Gemini, and Perplexity alike.
Model by model, Perplexity is JetBrains AI Assistant's strongest backer, placing it ahead in 1 of the 2; Gemini leans the other way, favoring Supermaven in 2.
The race is tightest in Best AI Coding Assistants 2026 (2 ranks apart) and widest in AI Coding Assistants, where JetBrains AI Assistant leads by 4.
- ChatGPTsplit 0-0
- Claudesplit 0-0
- Geminifavors Supermaven 2-0
- Perplexityfavors JetBrains AI Assistant 1-0