JetBrains
@jetbrains
On a mission to make software development a more productive and enjoyable experience. Code your way. Ship with confidence.
Joined March 2008
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Long-term AI adoption depends on driving down token costs. Mellum2.1 is our contribution to that shift – bringing an open-source 12B MoE model into local PyCharm workflows to deliver 140+ T/S without cloud overhead.
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Meet Mellum2.1 – JetBrains' open-source 12B MoE model built for coding agents and local execution.
🚀 140+ T/S in local testing scenarios
🇪🇺 Ethically trained European open model
💻 Efficient worker model inside IDE agent workflows
Try it locally:
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