Granite Switch 4.1 30B

Language IBM Partly verified
  • Tool use
  • Open weights

Prices

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Details

Licence
apache-2.0
Family
granite-switch

Not stated on IBM’s pages: max input, output modalities, reasoning, reasoning efforts, reasoning can be off, max thinking budget, structured output, built-in tools, knowledge cutoff, aliases.

  • Parameters 30B
  • Dense
  • Native precision BF16
  • Layers 66
  • KV cache per token 264 KB
  • Config positions 128K (config.json max_position_embeddings)
My hardware GeForce RTX 4090 24 GB · 1008 GB/s · 64 GB DDR5 dual channel · 89.6 GB/s
On your hardware · GeForce RTX 4090
Runs well IQ4_XS (automatic) 8K context 28–42 tok/sOne GPU
WeightsKV cacheOverheadUsable
Needs
≈ 17.6 GB (weights 14.8 + KV cache 2.1 + overhead 0.7)
Usable
21.6 GB (90% of its memory)
Generation speed
28–42 tok/s
Longest context
23K (longer doesn’t fit)
First token
about 0.97–1.45 s for a 2K prompt
PrecisionWeightsNeeds at 8KOn your hardwareLongest context
BF16 (native)maker’s file55.9 GB≈ 60.7Doesn’t fit—
Q8_0maker’s file31.7 GB≈ 35.4Needs system memory 3–4 tok/s—
FP827.9 GB≈ 31.4Needs system memory 4–5 tok/s—
Q6_Kmaker’s file25.2 GB≈ 28.5Needs system memory 5–7 tok/s—
Q5_K_Mmaker’s file22.3 GB≈ 25.5Needs system memory 7–11 tok/s—
Q5_0maker’s file21.7 GB≈ 24.8Needs system memory 8–13 tok/s—
Q4_K_Mmaker’s file19.6 GB≈ 22.6Needs system memory 15–22 tok/s—
Q4_0maker’s file18.4 GB≈ 21.3Runs well 23–34 tok/s9K
IQ4_XS14.8 GB≈ 17.6Runs well 28–42 tok/s23K
Q3_K_Mmaker’s filequality drops16.3 GB≈ 19.2Runs well 26–38 tok/s17K
IQ3_XXSquality drops10.7 GB≈ 13.3Runs well 37–55 tok/s40K
Q2_Kmaker’s filequality drops13.4 GB≈ 16.2Runs well 30–45 tok/s29K
IQ2_XXSquality drops7.2 GB≈ 9.8Runs well 51–76 tok/s54K

Click a row to choose a precision. “Maker’s file” sizes are the maker’s own files; others are parameters × bits per weight.

Compared with other hardware

Each at the highest precision it runs. Click one for details.

Smallest that runs it (Q4_K_M, 8K): GPU GeForce RTX 5090; unified memory Apple M5 Max (32-core GPU) · 36 GB.

Run commands

The maker publishes no files at this precision. Choose its native precision or one of its own builds, or quantise it yourself with llama.cpp.

Memory to fine-tune
Full≈ 449.4 GBDoesn’t fit your hardware
LoRA≈ 58.8 GBDoesn’t fit your hardware
QLoRA≈ 18.7 GBFits your hardware

Batch 1, 2,048-token sequences, gradient checkpointing; LoRA and QLoRA train rank-16 adapters on the attention projections.

Estimates; facts from the maker’s Hugging Face repositories, as of 2026-11-06. How it’s estimated

Cited scores

From third-party leaderboards, not measured by us

This model isn’t on any leaderboard we cite yet.

  1. New language model

Sources

Some values on this page are still waiting to be checked against official pages: a filled dot is verified, a hollow one is not yet (with or without a source on file). How we verify data

IBM · United States · ibm.com

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