About JetBrains
JetBrains is a software development tools company headquartered in Prague, Czech Republic.
Performance
Recent Gateway performance across models from JetBrains.
Throughput
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No recent data
Time to first token
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No recent data
Weekly usage
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No recent data
Performance metrics will appear after this lab’s models serve Gateway traffic.
Latest models
Recent releases with availability, context, pricing, and usage details.
Mellum2 12B A2.5B Instruct is JetBrains' sparse mixture-of-experts coding model with 2.5B active parameters, 12B total parameters, tool use, and a 131K context window.
Input
Output
1 Jun 2026
Around the web
Official profiles, research, and community channels.