Mellum2 12B A2.5B
Mellum2-12B-A2.5B-Instruct is a fast MoE model with 131K context built for coding, tool use, and low-latency AI workflows.
Model facts
- Context window
- 131K tokens
- Maximum output
- 131K tokens
- Cheapest paid input
- $0.05 per 1M tokens
- Cheapest paid output
- $0.1 per 1M tokens
- Open weights
- yes
- Providers
- 1
Capabilities and modalities
tool calling, structured output, temperature control, open weights, text.
Observed price history
- 2026-08-24: $0.05 input / $0.1 output per 1M tokens
API providers
- Weights & Biases — model id JetBrains/Mellum2-12B-A2.5B-Instruct; $0.05 input / $0.1 output per 1M tokens; provider documentation