Mellum2

ai model→ stable

JetBrains open-sourced Mellum2, a 12-billion-parameter Mixture-of-Experts code completion model with only 2.5 billion active parameters per token, designed for efficient performance.

1Total Mentions

+0.50Sentiment (Positive)

+1.2%Velocity (7d)

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First seen: Jun 6, 2026Last active: 18h ago

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Weekly mentions (solid) and average article relevance (dotted)

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Deploys

→
Mixture of Experts (Sparse MoE for LLMs)
technique1 mention85% conf.

Developed

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JetBrains
company1 source100% conf.

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AI Discoveries

hypothesisactive13h ago
H: Within 6 months, JetBrains will integrate Mellum2 into their IDE suite (IntelliJ IDEA, PyCharm) as a
Within 6 months, JetBrains will integrate Mellum2 into their IDE suite (IntelliJ IDEA, PyCharm) as a local code completion and agent reasoning engine, competing directly with GitHub Copilot and Claude Code.
70% confidence

Sentiment History

Positive sentiment

Negative sentiment

Range: -1 to +1