Benchmark result
JetBrains/Mellum2.1-12B-A2.5B-Thinking-GGUF on NVIDIA GeForce RTX 4070 — 179.6 tok/s
Measured with OpenAI-compatible manual on October 13, 2026.
What the model built
Open full screen →The coding scenario asks for a playable game in a single HTML file. This is exactly what the model returned, unedited; the frame only adds a line that tells this page how tall it is.
How this run compares
1st fastest of 6 runs of this model on NVIDIA GeForce RTX 4070 · median 159.5 tok/s.
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JetBrains/Mellum2.1-12B-A2.5B-Thinking-GGUF on other hardware
Reproduce this run
toolOpenAI-compatible manual
modelJetBrains/Mellum2.1-12B-A2.5B-Thinking-GGUF
context131,072
thinkingon
clientv0.4.92+102
Set those in OpenAI-compatible, then:
llm-benchmark benchmark --model "JetBrains/Mellum2.1-12B-A2.5B-Thinking-GGUF" --tool "OpenAI-compatible"The client prompts for context length and thinking mode, and for the KV cache dtype on Unsloth Studio. Sampling is left at the model default — the values above are what the tool reported using, not overrides the client sent.