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DeepSeek: DeepSeek V3 0324

deepseek/deepseek-chat-v3-0324 · DeepSeekDeclared and measured agree
Tokenizer group (measured)
DeepSeek
Declared tokenizer tag
DeepSeek
Entered catalogue
24 March 2025
Last tested
21 August 2026
Evidence confidence
High

Why high: an exact fingerprint shared with 13 models that declare the same family, without a second signal of a different kind yet.

Evidence
  • ✓ exact tokenizer signature shared with 13 models

Identity statement

DeepSeek: DeepSeek V3 0324 is DeepSeek's model, and its measured tokenizer sits in DeepSeek's own signature group alongside its sibling models. Measured models from StepFun carry the same vocabulary, which reads as reuse of DeepSeek's tokenizer line and questions nobody's authorship; they are listed under "Shares this fingerprint" below.

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 13 other modelstk_73c4f0dc
How its API is set upA combination of settings no other listing in the catalogue usesapi_d9294a92
How much it can read and writeReads up to 163,840 tokens at once, writes up to 115,200its own listing
Who served our requestsCrusoewe 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 DeepSeek: DeepSeek V3 0324 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-long16
spaces-203
spaces-603
tabs-204
newlines-204
mixed-ws7

Digits

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

CJK

zh-common9
zh-long10
zh-rare18
ja-kana9
ja-kanji11
ko13

Other scripts

ru13
ar10
he14
hi18
th11
el16

Emoji

emoji-basic10
emoji-skin14
emoji-zwj-family11
emoji-zwj-x333
emoji-flags16
emoji-prof19

Rare Unicode

math22
boxdraw27
combining10
cjk-ext-b16
surrogates33
zalgo36
rtl-mix6

Code

py-code25
py-indent15
json20
html16
regex47
camel7
snake8

Repetition and encodings

rare-word-x526
repeat-tok41
base6434
hex12
url17
uuid27

Overhead subtracted: 4 prompt tokens.

Declared record

What the catalogue claims about this model

DeepSeek V3, a 685B-parameter, mixture-of-experts model, is the latest iteration of the flagship chat model family from the DeepSeek team. It succeeds the [DeepSeek V3](/deepseek/deepseek-chat-v3) model and performs really well...

Modalities
text->text
Declared tokenizer
DeepSeek
Prompt price
$0.29 / M tokens
Completion price
$1.14 / M tokens

Supported parameters

frequency_penaltylogprobsmax_tokensresponse_formatseedstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p

defaults: {}

Catalogue entryWeights on Hugging Face

History

Every observation, kept as taken
  • 24 March 2025Enters the OpenRouter catalogue declared as DeepSeek.
  • 21 August 2026Fingerprinted in the YFarmX catalogue sweep · 50 of 50 strings measured clean.
  • 21 August 2026YFarmX assessment: consistent with the DeepSeek family, high confidence.