LLMs · IBM
Granite 4.2 30B
- Parameters
- 29B
- Architecture
- Dense
- Max context
- 128K tokens
- License
- apache-2.0
- Released
- 2026-08
How to run it
Quickest · Ollama
One command downloads a ready-to-run version and starts a chat.
ollama run granite4.2:30bQuantized files · GGUF
Works in LM Studio, llama.cpp, Jan and Ollama. No sign-in needed.
huggingface.co/ibm-granite/granite-4.2-30b-GGUF (opens in a new tab)
ollama run hf.co/ibm-granite/granite-4.2-30b-GGUFOriginal weights · Hugging Face
Full-precision files from IBM, for fine-tuning, vLLM, Transformers.
huggingface.co/ibm-granite/granite-4.2-30b (opens in a new tab)
Official repo · GitHub
Reference code, inference scripts and docs from IBM. The weights themselves download from Hugging Face.
github.com/ibm-granite/granite-4.2-language-models (opens in a new tab)
git clone https://github.com/ibm-granite/granite-4.2-language-modelsMemory needed
Weights plus KV cache and runtime overhead. Leave a little extra free for the operating system and other apps.
| Quantization | Quality | Weights | Total at 8K context | Total at 32K context | Download |
|---|---|---|---|---|---|
Q2_K |
Low | 11.7 GB | 14.5 GB | 20.9 GB | GGUF (opens in a new tab) |
Q3_K_M |
Low | 14.3 GB | 17.1 GB | 23.5 GB | GGUF (opens in a new tab) |
Q4_K_M |
Good | 17.9 GB | 20.6 GB | 27.1 GB | GGUF (opens in a new tab) |
Q5_K_M |
High | 20.8 GB | 23.5 GB | 30.0 GB | GGUF (opens in a new tab) |
Q6_K |
High | 24.0 GB | 26.8 GB | 33.2 GB | GGUF (opens in a new tab) |
Q8_0 |
Very high | 31.0 GB | 33.8 GB | 40.2 GB | GGUF (opens in a new tab) |
F16 |
Full | 58.6 GB | 61.3 GB | 67.7 GB | GGUF · part 1 of 2 (opens in a new tab) Original weights (opens in a new tab) |
Best hardware for Granite 4.2 30B
The least expensive GPU in our catalog that runs it without offloading is the AMD Radeon RX 7600 XT (launch price $329) at Q2_K.
| Grade · points | Hardware | Quant | Memory | Speed | Fit |
|---|---|---|---|---|---|
| 88 ptsExcellent (S) · 88 of 100 points: Model quality 33.2/45, Memory fit 25.0/25, Speed 15.0/15, Memory use 15.0/15 | NVIDIA GeForce RTX 5090 | Q5_K_M | 25.1 GB / 32.0 GB | 62.1 tok/s | Runs well |
| 86 ptsExcellent (S) · 86 of 100 points: Model quality 32.5/45, Memory fit 24.0/25, Speed 15.0/15, Memory use 15.0/15 | NVIDIA GeForce RTX 4090 | Q4_K_M | 21.8 GB / 24.0 GB | 42.3 tok/s | Tight fit |
| 86 ptsExcellent (S) · 86 of 100 points: Model quality 32.5/45, Memory fit 24.0/25, Speed 14.9/15, Memory use 15.0/15 | NVIDIA GeForce RTX 3090 | Q4_K_M | 21.8 GB / 24.0 GB | 39.2 tok/s | Tight fit |
| 85 ptsExcellent (S) · 85 of 100 points: Model quality 32.5/45, Memory fit 24.0/25, Speed 14.0/15, Memory use 15.0/15 | AMD Radeon RX 7900 XTX | Q4_K_M | 21.8 GB / 24.0 GB | 34.7 tok/s | Tight fit |
| 83 ptsGreat (A) · 83 of 100 points: Model quality 34.2/45, Memory fit 25.0/25, Speed 14.7/15, Memory use 9.3/15 | NVIDIA RTX PRO 6000 Blackwell | Q8_0 | 38.6 GB / 96.0 GB | 38.2 tok/s | Runs well |
| 80 ptsGreat (A) · 80 of 100 points: Model quality 33.9/45, Memory fit 25.0/25, Speed 6.2/15, Memory use 15.0/15 | Apple M4 Pro (48 GB) | Q6_K | 29.6 GB / 36.0 GB | 6.8 tok/s | Runs well |
| 79 ptsGreat (A) · 79 of 100 points: Model quality 32.5/45, Memory fit 25.0/25, Speed 10.5/15, Memory use 11.8/15 | Apple M4 Max (64 GB) | Q4_K_M | 24.4 GB / 48.0 GB | 19.7 tok/s | Runs well |
| 78 ptsGreat (A) · 78 of 100 points: Model quality 32.5/45, Memory fit 25.0/25, Speed 9.0/15, Memory use 11.8/15 | Apple M1 Max (64 GB) | Q4_K_M | 24.4 GB / 48.0 GB | 14.4 tok/s | Runs well |
| 77 ptsGreat (A) · 77 of 100 points: Model quality 23.9/45, Memory fit 24.0/25, Speed 15.0/15, Memory use 15.0/15 | NVIDIA GeForce RTX 4070 Ti SUPER | Q2_K | 15.3 GB / 16.0 GB | 46.3 tok/s | Tight fit |
| 77 ptsGreat (A) · 77 of 100 points: Model quality 23.9/45, Memory fit 24.0/25, Speed 15.0/15, Memory use 15.0/15 | NVIDIA GeForce RTX 4080 SUPER | Q2_K | 15.3 GB / 16.0 GB | 50.7 tok/s | Tight fit |
Estimates come from published hardware specs and our open formulas, not from running the model on your machine. Real speed varies with runtime, drivers and settings. Numbers marked “Measured” come from a linked benchmark.