Analyst memo
JetBrains Launches Mellum2 Model
JetBrains revealed Mellum2, a 12B-parameter Mixture-of-Experts model, to enhance efficiency in language and code tasks with faster inference.
Published Jun 2, 2026, 11:20 AMUpdated Jun 2, 2026, 11:20 AM
What happened
JetBrains announced Mellum2, a 12B-parameter Mixture-of-Experts model aimed at improving efficiency in natural language and code workload with high-throughput and low-latency inference.
Why it matters
Mellum2 is designed to address the growing need for efficient models in latency-sensitive applications, offering more than 2x the inference speed of similar models.
Who is affected
Developers and organizations involved in AI for software engineering, especially those needing efficient, high-frequency task models, are likely to benefit.
Risks / uncertainty
There is uncertainty surrounding Mellum2's performance in diverse real-world applications beyond initial benchmarks.