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Pareto 26.10 Preview

unbiased/pareto-26.10-preview · UnbiasedNot yet established
Tokenizer lineage (measured)
Llama3
Entered catalogue
1 October 2026
Last tested
5 October 2026
Evidence confidence
Moderate

Why moderate: near-exact agreement (48 of 49 strings) with meta-llama/llama-3.2-3b-instruct, short of a full exact signature.

Evidence
  • ✓ near-exact agreement (48/49) with meta-llama/llama-3.2-3b-instruct

Identity statement

Pareto 26.10 Preview is Unbiased's model. Its measured tokenizer sits with the Llama3 group, which is evidence that it builds on the Llama3 tokenizer. Tokenizer reuse is normal engineering, open vocabularies travel between labs, and this says nothing against Unbiased's authorship of the model itself.

What we checked

Four different kinds of evidence, and what each one showed
We checkedWhat we foundWhere it came from
How it counts tokensCounted, using the 49 strings that came back reliablywe measured it
How its API is set upA combination of settings no other listing in the catalogue usesapi_39f02f22
How much it can read and writeReads up to 1,048,576 tokens at once, writes up to 131,072its own listing
Who served our requestsUnbiasedwe measured it, 5 October 2026

Closest measured models

Agreement across the mutually clean test strings

Click a row to open the full comparison.

The measured fingerprint

What each test string cost this model, in tokens

We sent Pareto 26.10 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, 1 excluded as corrupt

English and whitespace

en-prose14
en-long16
spaces-203
spaces-603
tabs-203
newlines-204
mixed-ws5

Digits

digits-93
digits-124
digits-3010
digits-sep7
float-long9

CJK

zh-common12
zh-long18
zh-rarex
ja-kana11
ja-kanji12
ko14

Other scripts

ru14
ar12
he24
hi15
th14
el13

Emoji

emoji-basic10
emoji-skin30
emoji-zwj-family15
emoji-zwj-x345
emoji-flags24
emoji-prof26

Rare Unicode

math31
boxdraw23
combining11
cjk-ext-b13
surrogates22
zalgo35
rtl-mix8

Code

py-code25
py-indent15
json20
html16
regex44
camel5
snake6

Repetition and encodings

rare-word-x530
repeat-tok21
base6435
hex11
url17
uuid27

An x marks a row excluded as corrupt (caching or provider interference detected during measurement). Overhead subtracted: 24 prompt tokens.

Declared record

What the catalogue claims about this model

Pareto is a multimodal composite model built for research, coding, and agentic workflows, while delivering frontier-level performance across a broad range of general-purpose tasks. This is a preview of the...

Modalities
text+image->text
Declared tokenizer
Other
Prompt price
$0.80 / M tokens
Completion price
$3.20 / M tokens

Supported parameters

max_tokenstemperaturetool_choicetoolstop_p

defaults: {}

Catalogue entry

History

Every observation, kept as taken
  • 1 October 2026Enters the OpenRouter catalogue with no declared family.
  • 5 October 2026Fingerprinted in the YFarmX catalogue sweep · 49 of 50 strings measured clean.
  • 5 October 2026YFarmX assessment: consistent with the Llama3 family, moderate confidence.