YFarmX

Amazon: Nova Premier 1.0

amazon/nova-premier-v1 · AmazonNot yet established
Declared family
Nova
Evidence confidence
Unknown
Declared tokenizer tag
Nova
Entered catalogue
31 October 2025
Last tested
3 September 2026
Measurement
Measured

Identity statement

Amazon: Nova Premier 1.0 has a clean measured fingerprint that currently sits alone: no other measured model shares its signature.

Evidence stack

Signals of different kinds, weighed together
SignalResultReference
Tokenizer signatureClean measurement; no exact match yettk_79cd40d1
API surfaceNo other entry shares this exact contractapi_fbecefb6
Context and output1,000,000 context · 32,000 max outputdeclared
Reasoning contractNone declareddeclared
Serving providers observedAmazon Bedrockmeasured 3 September 2026

Closest measured models

Agreement across the mutually clean test strings

Click a row to open the full comparison.

The measured fingerprint

Marginal prompt-token cost of each test string, grouped by script
All 50 rows

English and whitespace

en-prose13
en-long15
spaces-204
spaces-606
tabs-2022
newlines-2022
mixed-ws9

Digits

digits-910
digits-1213
digits-3031
digits-sep13
float-long23

CJK

zh-common17
zh-long24
zh-rare28
ja-kana9
ja-kanji13
ko19

Other scripts

ru14
ar10
he14
hi11
th22
el17

Emoji

emoji-basic5
emoji-skin14
emoji-zwj-family20
emoji-zwj-x358
emoji-flags24
emoji-prof30

Rare Unicode

math31
boxdraw40
combining9
cjk-ext-b17
surrogates55
zalgo34
rtl-mix8

Code

py-code29
py-indent19
json28
html16
regex53
camel6
snake11

Repetition and encodings

rare-word-x520
repeat-tok40
base6436
hex16
url23
uuid37

An x marks a row excluded as corrupt (caching or provider interference detected during measurement). Overhead subtracted: 34 prompt tokens.

Declared record

What the catalogue claims about this model

Amazon Nova Premier is the most capable of Amazon’s multimodal models for complex reasoning tasks and for use as the best teacher for distilling custom models.

Modalities
text+image->text
Declared tokenizer
Nova
Prompt price
$2.50 / M tokens
Completion price
$12.5 / M tokens

Supported parameters

max_tokensstoptemperaturetoolstop_ktop_p

defaults: {"temperature":null,"top_p":null,"frequency_penalty":null}

Catalogue entry

History

Every observation, kept as taken
  • 31 October 2025Enters the OpenRouter catalogue declared as Nova.
  • 3 September 2026Fingerprinted in the YFarmX catalogue sweep · 50 of 50 strings measured clean.

Cite this page as the evidence record for Amazon: Nova Premier 1.0: the URL is stable, measurements are dated, and revisions append to the history above. Method: tokenizer fingerprinting, v1, 50 strings.