YFarmX

MoonshotAI: Kimi K2.7 Code

moonshotai/kimi-k2.7-code · Moonshot AITokenizer lineage measured
Tokenizer group (measured)
Moonshot AI
Evidence confidence
High
Why high: an exact fingerprint shared with 2 models.
Declared tokenizer tag
Other
Entered catalogue
12 June 2026
Last tested
3 September 2026
Measurement
Measured
Evidence
  • ✓ exact tokenizer signature shared with 2 models

Identity statement

MoonshotAI: Kimi K2.7 Code is Moonshot AI's model, and its measured tokenizer sits in Moonshot AI's own signature group alongside its sibling models. No other maker's measured model shares it so far.

Evidence stack

Signals of different kinds, weighed together
SignalResultReference
Tokenizer signatureExact match with 2 other modelstk_ea6068bf
API surfaceNo other entry shares this exact contractapi_82054774
Context and output262,144 context · 235,929 max outputdeclared
Reasoning contractMandatorydeclared
Serving providers observedSiliconFlowmeasured 3 September 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

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

English and whitespace

en-prose14
en-long16
spaces-203
spaces-603
tabs-204
newlines-204
mixed-ws6

Digits

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

CJK

zh-common9
zh-long10
zh-rare18
ja-kana11
ja-kanji14
ko13

Other scripts

ru16
ar15
he16
hi17
th21
el22

Emoji

emoji-basic10
emoji-skin20
emoji-zwj-family11
emoji-zwj-x333
emoji-flags14
emoji-prof20

Rare Unicode

math26
boxdraw24
combining14
cjk-ext-b16
surrogates31
zalgo36
rtl-mix8

Code

py-code25
py-indent15
json20
html16
regex43
camel6
snake6

Repetition and encodings

rare-word-x531
repeat-tok41
base6433
hex11
url17
uuid27

An x marks a row excluded as corrupt (caching or provider interference detected during measurement). Overhead subtracted: 8 prompt tokens.

Declared record

What the catalogue claims about this model

MoonshotAI: Kimi K2.7 Code is a coding-focused model in Moonshot AI's Kimi K2 family, built to complete end-to-end programming tasks reliably over long contexts. It uses a native multimodal mixture-of-experts...

Modalities
text+image->text
Declared tokenizer
Other
Prompt price
$0.71 / M tokens
Completion price
$3.21 / M tokens

Supported parameters

frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_pparallel_tool_callspresence_penaltyreasoningrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p

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

Catalogue entryWeights on Hugging Face

History

Every observation, kept as taken
  • 12 June 2026Enters 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 Moonshot AI family, high confidence.

Cite this page as the evidence record for MoonshotAI: Kimi K2.7 Code: the URL is stable, measurements are dated, and revisions append to the history above. Method: tokenizer fingerprinting, v1, 50 strings.