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Mellum2 12B A2.5B

Tool Calling Open Weights Structured Output

Mellum2-12B-A2.5B-Instruct is a fast MoE model with 131K context built for coding, tool use, and low-latency AI workflows.

Providers 1
Released Jun 1, 2026
Input Modalities text
Output Modalities text
Tarsk Use coding

Available Providers (1)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Weights & Biases JetBrains/Mellum2-12B-A2.5B-Instruct $0.05/MTok $0.10/MTok 131.1K 131.1K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output