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Tencent: Hy3

tencent/hy3 · TencentTokenizer lineage measured
Tokenizer group (measured)
Tencent
Entered catalogue
6 July 2026
Last tested
21 August 2026
Evidence confidence
High

Why high: an exact fingerprint shared with 3 models.

Evidence
  • ✓ exact tokenizer signature shared with 3 models

Identity statement

Tencent: Hy3 is Tencent's model, and its measured tokenizer sits in Tencent's own signature group alongside its sibling models. No other maker's measured model shares it so far.

What we checked

Four different kinds of evidence, and what each one showed
We checkedWhat we foundWhere it came from
How it counts tokensCounts every one of the 50 test strings exactly like 3 other modelstk_2b541395
How its API is set upA combination of settings no other listing in the catalogue usesapi_14e1b3d2
How much it can read and writeReads up to 262,144 tokens at once, writes up to 128,000its own listing
Whether it thinks before answeringReasons when asked to, at high, low, none, high by defaultits own listing
Who served our requestsPhalawe measured it, 21 August 2026

Shares this fingerprint

Exact signature first; template-boundary shifts of the same signature beneath

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 Tencent: Hy3 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

English and whitespace

en-prose14
en-long17
spaces-203
spaces-603
tabs-204
newlines-204
mixed-ws7

Digits

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

CJK

zh-common8
zh-long10
zh-rare18
ja-kana11
ja-kanji12
ko13

Other scripts

ru16
ar15
he16
hi24
th17
el22

Emoji

emoji-basic10
emoji-skin25
emoji-zwj-family11
emoji-zwj-x333
emoji-flags24
emoji-prof23

Rare Unicode

math26
boxdraw30
combining10
cjk-ext-b16
surrogates40
zalgo36
rtl-mix8

Code

py-code25
py-indent15
json20
html16
regex45
camel6
snake6

Repetition and encodings

rare-word-x531
repeat-tok41
base6435
hex12
url17
uuid27

Overhead subtracted: 12 prompt tokens.

Declared record

What the catalogue claims about this model

Hy3 is a 295B-parameter Mixture-of-Experts model from Tencent (21B active, 192 experts with top-8 routing) built for reasoning, agentic workflows, and real-world production use. It supports a configurable reasoning effort:...

Modalities
text->text
Declared tokenizer
Other
Prompt price
$0.08 / M tokens
Completion price
$0.33 / M tokens

Supported parameters

frequency_penaltyinclude_reasoninglogit_biasmax_completion_tokensmax_tokensmin_ppresence_penaltyreasoningreasoning_effortrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_p

defaults: {"temperature":0.9,"top_p":1,"top_k":null,"frequency_penalty":null,"presence_penalty":null,"repetition_penalty":null}

Catalogue entryWeights on Hugging Face

History

Every observation, kept as taken
  • 6 July 2026Enters the OpenRouter catalogue with no declared family.
  • 21 August 2026Fingerprinted in the YFarmX catalogue sweep · 50 of 50 strings measured clean.
  • 21 August 2026YFarmX assessment: consistent with the Tencent family, high confidence.