openai · audio asr

whisper-large

openai/whisper-large

whisper-large at Q4_K_M is exactly 996,526,048 bytes (0.93 GiB / 1.00 GB) — an effective 5.166 bits per weight, not the nominal 4.

From the file· summed from 1 file(s)From the file· KV per layer
Parameters
1.5B
Architecture
whisper
32 layers
Context
native (config.json)
License
apache-2.0

Shipped quantizations

exact bytes, summed from published files
QuantSizeExact bytesEffective bpwTensorsPublisher
Q4_K_M0.93 GiB996,526,0485.1661261handy-computer
Q5_K_M1.08 GiB1,160,366,0486.0151261handy-computer
Q6_K1.21 GiB1,296,353,2486.7201261handy-computer
Q8_01.55 GiB1,667,964,1928.6461261handy-computer
F162.89 GiB3,106,458,17616.1031261handy-computer
F325.75 GiB6,175,245,37632.011handy-computer

Compare with

same modality, comparable size

Will it run on your card?

full quant x context sweep

Why other calculators give a different number

A parameters × bits ÷ 8 estimate puts Q4_K_M at roughly 0.81 GiB. The real file is 0.93 GiB, because a quantization is a mixture and some tensors are always kept at higher precision.

Architecture

from config.json
Layers
32
Attention heads
KV heads
Head dim
Hidden size
Vocab
51,865
Sliding window
none
SWA period
MLA
no
Experts
Experts per token
use_sliding_window

Questions people ask

How much VRAM does whisper-large need?
Q4_K_M is exactly 996,526,048 bytes (0.93 GiB) in weights. Add the KV cache, which depends on your context length, plus roughly half a gigabyte of runtime overhead.
Which quantization of whisper-large should I use?
Q4_K_M is the usual default. Pick the largest quantization that fits your card at the context you actually need — the table above gives exact sizes for every one published.