Xiaomi: MiMo-V2.5-Pro

xiaomi/mimo-v2.5-pro · XiaomiNot yet established
Declared family
Unknown
Evidence confidence
Unknown
Declared tokenizer tag
Other
Entered catalogue
22 April 2026
Last tested
20 August 2026
Measurement
Awaiting measurement

Evidence stack

Signals of different kinds, weighed together
SignalResultReference
Tokenizer signatureNot measured
API surfaceIdentical contract to 1 other entryapi_7c3fe3b5
Context and output1,050,000 context · 131,072 max outputdeclared
Reasoning contractOptionaldeclared
Serving providers observedNone recorded yetmeasured 20 August 2026

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, 15 excluded as corrupt

English and whitespace

en-prose12
en-long14
spaces-201
spaces-601
tabs-20x
newlines-20x
mixed-ws3

Digits

digits-97
digits-12x
digits-3028
digits-sep10
float-long20

CJK

zh-common8
zh-longx
zh-rare15
ja-kana6
ja-kanji11
ko15

Other scripts

ru14
ar6
he7
hi27
th10
elx

Emoji

emoji-basicx
emoji-skin8
emoji-zwj-family8
emoji-zwj-x3x
emoji-flags6
emoji-profx

Rare Unicode

math24
boxdrawx
combining3
cjk-ext-b10
surrogatesx
zalgo34
rtl-mix5

Code

py-code23
py-indent13
jsonx
html14
regexx
camel3
snakex

Repetition and encodings

rare-word-x529
repeat-tok20
base6434
hexx
urlx
uuid34

An x marks a row excluded as corrupt (caching or provider interference detected during measurement). Overhead subtracted: 253 prompt tokens.

Declared record

What the catalogue claims about this model

MiMo-V2.5-Pro is Xiaomi’s flagship model, delivering strong performance in general agentic capabilities, complex software engineering, and long-horizon tasks, with top rankings on benchmarks such as ClawEval, GDPVal, and SWE-bench Pro....

Modalities
text->text
Declared tokenizer
Other
Prompt price
$0.43 / M tokens
Completion price
$0.87 / M tokens

Supported parameters

frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_ppresence_penaltyreasoningrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p

defaults: {"temperature":1,"top_p":0.95,"top_k":null,"frequency_penalty":null,"presence_penalty":null,"repetition_penalty":null}

Catalogue entryWeights on Hugging Face

History

Every observation, kept as taken
  • 22 April 2026Enters the OpenRouter catalogue with no declared family.
  • 20 August 2026Fingerprinted during the Ox Alpha investigation · 35 of 50 strings measured clean.

Cite this page as the evidence record for Xiaomi: MiMo-V2.5-Pro: the URL is stable, measurements are dated, and revisions append to the history above. Method: tokenizer fingerprinting, v1, 50 strings. The raw data behind every figure is on the data page.