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Granite 4.2 (30B, Q4)

reasoningApache 2.0tools

IBM's flagship dense Granite 4.2 reasoning model at 30B parameters. Text-only, with native thinking, agentic coding, native tool calling, multilingual support, and a 128K context window. Q4 builds are suited to machines with 32GB+ usable memory.

At a glance

Parameters
30B
Quantization
Q4_K_M
Context window
131K tokens
Approx. size
17.7 GB
Engines
llama.cpp, MLX
License
Apache-2.0 (open)
Version
v1.0.0 , released 2026-08-25
Family
granite

Tuning

Defaults a gezel client applies out of the box, from real evaluation runs against this exact quantization.

sampling.temperature
1
sampling.topP
0.95
sampling.maxTokens
8192
reasoning.thinkingBudget
8192
reasoning.enableThinking
true
profiles
thinking-general, thinking-deep, thinking-coding, thinking-precise, instruct, creative

Model behaviors

Client-side behavior modules the catalog enables for this model (reasoning-tag handling, fabrication detection, prompt shaping).

Sources

llama.cpp (GGUF)
ibm-granite/granite-4.2-30b-GGUF · granite-4.2-30b-Q4_K_M.gguf · Q4_K_M
MLX
lmstudio-community/granite-4.2-30b-MLX-4bit
Upstream
https://huggingface.co/ibm-granite/granite-4.2-30b
Manifest
View on GitHub

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