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Google: Lyria 3 Pro Preview

google/lyria-3-pro-preview · GoogleUnmeasurable
Declared family
Unknown
Entered catalogue
30 March 2026
Last tested
3 September 2026
Measurement
Unmeasurable: prompt caching corrupts its token accounting
Evidence confidence
Unknown

What we checked

Four different kinds of evidence, and what each one showed
We checkedWhat we foundWhere it came from
How it counts tokensNot measured yetwe measured it
How its API is set upSet up identically to 1 other listing, field for fieldapi_4e7bfe54
How much it can read and writeReads up to 1,048,576 tokens at once, writes up to 65,536its own listing
Who served our requestsGoogle AI Studiowe measured it, 3 September 2026

The measured fingerprint

What each test string cost this model, in tokens

We sent Google: Lyria 3 Pro Preview fifty short pieces of text and recorded what each one cost it in tokens. The bars below are those costs. Two models built on the same tokenizer produce the same bars; a model built on a different one produces a different set, which is what makes this a fingerprint.

All 50 rows, 29 excluded as corrupt

English and whitespace

en-prosex
en-longx
spaces-20x
spaces-60x
tabs-20x
newlines-2012
mixed-ws5

Digits

digits-9x
digits-124
digits-30x
digits-sepx
float-longx

CJK

zh-common19
zh-longx
zh-rarex
ja-kana17
ja-kanjix
ko18

Other scripts

ru18
arx
hex
hi27
thx
elx

Emoji

emoji-basicx
emoji-skin21
emoji-zwj-familyx
emoji-zwj-x3x
emoji-flagsx
emoji-prof20

Rare Unicode

mathx
boxdrawx
combining7
cjk-ext-bx
surrogatesx
zalgo18
rtl-mixx

Code

py-code17
py-indent21
json16
htmlx
regex17
camel9
snake11

Repetition and encodings

rare-word-x5x
repeat-tokx
base6413
hexx
url15
uuid10

An x marks a row excluded as corrupt (caching or provider interference detected during measurement). Overhead subtracted: 5 prompt tokens.

Declared record

What the catalogue claims about this model

Full-length songs are priced at $0.08 per song. Lyria 3 is Google's family of music generation models, available through the Gemini API. With Lyria 3, you can generate high-quality, 48kHz...

Modalities
text+image->text+audio
Declared tokenizer
Other
Prompt price
$0 / M tokens
Completion price
$0 / M tokens

Supported parameters

max_tokensresponse_formatseedtemperaturetop_p

defaults: {"temperature":null,"top_p":null,"top_k":null,"frequency_penalty":null,"presence_penalty":null,"repetition_penalty":null}

Catalogue entry

History

Every observation, kept as taken
  • 30 March 2026Enters the OpenRouter catalogue with no declared family.
  • 3 September 2026Fingerprinted in the YFarmX catalogue sweep · 21 of 50 strings measured clean.