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ModelCap

JetBrains

0 across 0 category boards · 1 without a live endpoint · 7 equivalent routes · 1 superseded

No live endpoint

1
Board statusModelGravityContextInput tokensOutput tokensReleased
No live endpointMellum2.1 12B A2.5B ThinkingOpen weights
Language
15.5———last month

Reviewed equivalent routes

7
Board statusModelGravityContextInput tokensOutput tokensReleased
Represented by Qwen3.8 3.6 27B blendQwen3.8 3.6 27B blend MLX 4bitOpen weights
Language
10.1———last month
Equivalent routeQwen3.8 3.6 27B blendOpen weights
Language
10.5———last month
Represented by Mellum2 12B A2.5B ThinkingMellum2 12B A2.5B InstructOpen weights
Language
12.9———5 months ago
Represented by Mellum2 12B A2.5B ThinkingMellum2 12B A2.5B Thinking SFTOpen weights
Language
12.0———5 months ago
Represented by Mellum2 12B A2.5B ThinkingMellum2 12B A2.5B Instruct SFTOpen weights
Language
6.3———5 months ago
Represented by Mellum2 12B A2.5B ThinkingMellum2 12B A2.5B BaseOpen weights
Language
13.0———5 months ago
Represented by Mellum2 12B A2.5B ThinkingMellum2 12B A2.5B Base PretrainOpen weights
Language
5.7———7 months ago

Superseded versions

1
Board statusModelGravityContextInput tokensOutput tokensReleased
Superseded by Mellum2.1 12B A2.5B ThinkingMellum2 12B A2.5B ThinkingOpen weights
Language
12.3———5 months ago

JetBrains models: common questions

How many AI models has JetBrains released?

ModelCap tracks 2 canonical JetBrains models as of 7 November 2026: 2 language models. Superseded versions and equivalent serving routes stay listed on this page, marked as such.

What is the best JetBrains model?

None of JetBrains's models holds a public ModelCap Index position as of 7 November 2026; the catalogue facts are listed without a rank.

Are JetBrains models open-weight?

2 of 2 tracked JetBrains models publish downloadable weights (open weights). ModelCap labels weight availability from repository metadata, not whether the training stack is open source; the licence class is shown beside each row.

What is the newest JetBrains model?

Mellum2.1 12B A2.5B Thinking, first listed on 20 September 2026. New JetBrains models appear here as soon as they pass automatic identity checks; the launches page tracks releases across every publisher.

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