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Morph: Morph V3 Large

morph/morph-v3-large · MorphTokenizer lineage measured
Tokenizer lineage (measured)
Qwen
Entered catalogue
7 July 2025
Last tested
3 September 2026
Evidence confidence
High

Why high: an exact fingerprint shared with 2 models that declare the same family, without a second signal of a different kind yet.

Evidence
  • ✓ exact tokenizer signature shared with 2 models

Identity statement

Morph: Morph V3 Large is Morph's model. Its measured tokenizer sits with the Qwen group, which is evidence that it builds on the Qwen tokenizer. Tokenizer reuse is normal engineering, open vocabularies travel between labs, and this says nothing against Morph'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 tokensCounts every one of the 50 test strings exactly like 2 other modelstk_c5c0a8ed
How its API is set upA combination of settings no other listing in the catalogue usesapi_2d7f9940
How much it can read and writeReads up to 262,144 tokens at once, writes up to 131,072its own listing
Who served our requestsMorphwe measured it, 3 September 2026

Shares this fingerprint

Exact signature first; template-boundary shifts of the same signature beneath
Perceptron: Perceptron Mk1perceptron/perceptron-mk1exact · 50/50Perceptron: Perceptron Mk1.5perceptron/perceptron-mk1.5exact · 50/50Nex AGI: Nex-N2-Mininex-agi/nex-n2-minisame tokenizer · template shiftNex AGI: Nex-N2-Pronex-agi/nex-n2-prosame tokenizer · template shiftNex AGI: Nex-N2.5-Mininex-agi/nex-n2.5-minisame tokenizer · template shiftPrismML: Ternary Bonsai 2 27Bprism-ml/ternary-bonsai-2-27bsame tokenizer · template shiftQwen: Qwen3.5-27Bqwen/qwen3.5-27bsame tokenizer · template shiftQwen: Qwen3.5-35B-A3Bqwen/qwen3.5-35b-a3bsame tokenizer · template shiftQwen: Qwen3.5 397B A17Bqwen/qwen3.5-397b-a17bsame tokenizer · template shiftQwen: Qwen3.5-9Bqwen/qwen3.5-9bsame tokenizer · template shiftQwen: Qwen3.5-Flashqwen/qwen3.5-flash-02-23same tokenizer · template shiftQwen: Qwen3.5 Plus 2026-02-15qwen/qwen3.5-plus-02-15same tokenizer · template shiftQwen: Qwen3.5 Plus 2026-04-20qwen/qwen3.5-plus-20260420same tokenizer · template shiftQwen: Qwen3.6 Flashqwen/qwen3.6-flashsame tokenizer · template shiftQwen: Qwen3.6 Max Previewqwen/qwen3.6-max-previewsame tokenizer · template shiftQwen: Qwen3.6 Plusqwen/qwen3.6-plussame tokenizer · template shiftQwen: Qwen3.7 Flashqwen/qwen3.7-flashsame tokenizer · template shiftQwen: Qwen3.7 Maxqwen/qwen3.7-maxsame tokenizer · template shiftQwen: Qwen3.7 Plusqwen/qwen3.7-plussame tokenizer · template shiftQwen: Qwen3.8 2.4T A95Bqwen/qwen3.8-2.4t-a95bsame tokenizer · template shiftQwen: Qwen3.8 Flashqwen/qwen3.8-flashsame tokenizer · template shiftQwen: Qwen3.8 Maxqwen/qwen3.8-maxsame tokenizer · template shiftQwen: Qwen3.8 Max (0902)qwen/qwen3.8-max-0902same tokenizer · template shiftQwen: Qwen3.8 Max Primeqwen/qwen3.8-max-primesame tokenizer · template shift

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 Morph: Morph V3 Large 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-203
newlines-204
mixed-ws5

Digits

digits-99
digits-1212
digits-3030
digits-sep12
float-long22

CJK

zh-common9
zh-long10
zh-rare18
ja-kana7
ja-kanji10
ko13

Other scripts

ru12
ar10
he14
hi15
th8
el13

Emoji

emoji-basic9
emoji-skin30
emoji-zwj-family18
emoji-zwj-x354
emoji-flags24
emoji-prof29

Rare Unicode

math29
boxdraw28
combining5
cjk-ext-b13
surrogates40
zalgo36
rtl-mix6

Code

py-code26
py-indent18
json25
html16
regex44
camel5
snake6

Repetition and encodings

rare-word-x531
repeat-tok22
base6436
hex17
url19
uuid36

Overhead subtracted: 96 prompt tokens.

Declared record

What the catalogue claims about this model

Morph's high-accuracy apply model for complex code edits. ~4,500 tokens/sec with 98% accuracy for precise code transformations. The model requires the prompt to be in the following format: <instruction>{instruction}</instruction> <code>{initial_code}</code>...

Modalities
text->text
Declared tokenizer
Other
Prompt price
$0.90 / M tokens
Completion price
$1.90 / M tokens

Supported parameters

logprobsmax_tokensresponse_formatstopstructured_outputstemperaturetop_logprobs

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

Catalogue entry

History

Every observation, kept as taken
  • 7 July 2025Enters the OpenRouter catalogue with no declared family.
  • 3 September 2026Fingerprinted in the YFarmX catalogue sweep · 50 of 50 strings measured clean.
  • 3 September 2026YFarmX assessment: consistent with the Qwen family, high confidence.