Kimi K2 0711 Behavioral Fingerprint
How MoonshotAI's Kimi K2 0711 answers one-word probe questions at temperature 1.0 — random numbers, colors, animals, coin flips — measured over 425 valid samples in the open dataset of "One Token Is Enough" (arXiv:2607.10252).
Vendor
MoonshotAI
Data generated
2026-07-08
Probe cells
15
Valid samples
425
Randomness score
28 / 100
Mean normalized entropy across cells, 0–100. 100 would be a uniform-random baseline; real models score far lower.
Signature answers
Favorite random number (1–100)
73
17 / 28 answers
Favorite color
teal
8 / 30 answers
Coin flip: heads
96%
Share of heads across coin-flip cells.
Answer distributions by probe cell
Empirical distributions of normalized one-word answers, per task and language. H is the Shannon entropy in bits; the uniform baseline is log2 of the answer-domain size.
Coin flip · English
n = 25 · H = 0.24 bit · uniform baseline 1.00 bit
| Answer | Count | Share |
|---|---|---|
| heads | 24 | 96.0% |
| tails | 1 | 4.0% |
Coin flip · Chinese
n = 29 · H = 0.22 bit · uniform baseline 1.00 bit
| Answer | Count | Share |
|---|---|---|
| heads | 28 | 96.6% |
| tails | 1 | 3.4% |
Favorite number · English
n = 30 · H = 0.72 bit · uniform baseline 13.29 bit
| Answer | Count | Share |
|---|---|---|
| 7 | 24 | 80.0% |
| 42 | 6 | 20.0% |
Favorite number · Chinese
n = 28 · H = 0.89 bit · uniform baseline 13.29 bit
| Answer | Count | Share |
|---|---|---|
| 7 | 22 | 78.6% |
| 42 | 5 | 17.9% |
| 23 | 1 | 3.6% |
Random animal · English
n = 29 · H = 2.32 bit · uniform baseline 5.64 bit
| Answer | Count | Share |
|---|---|---|
| octopus | 9 | 31.0% |
| axolotl | 7 | 24.1% |
| platypus | 6 | 20.7% |
| pangolin | 4 | 13.8% |
| elephant | 2 | 6.9% |
| okapi | 1 | 3.4% |
Random animal · Chinese
n = 29 · H = 3.08 bit · uniform baseline 5.64 bit
| Answer | Count | Share |
|---|---|---|
| 企鹅 | 7 | 24.1% |
| 猫头鹰 | 5 | 17.2% |
| 老虎 | 5 | 17.2% |
| 猫 | 3 | 10.3% |
| 虎 | 2 | 6.9% |
| 长颈鹿 | 2 | 6.9% |
| 海豚 | 1 | 3.4% |
| 熊猫 | 1 | 3.4% |
+ 3 more answers
Random city · English
n = 27 · H = 2.80 bit · uniform baseline 5.64 bit
| Answer | Count | Share |
|---|---|---|
| lisbon | 9 | 33.3% |
| kyoto | 6 | 22.2% |
| tallinn | 3 | 11.1% |
| lagos | 2 | 7.4% |
| timbuktu | 2 | 7.4% |
| osaka | 1 | 3.7% |
| lviv | 1 | 3.7% |
| bishkek | 1 | 3.7% |
+ 2 more answers
Random city · Chinese
n = 29 · H = 1.82 bit · uniform baseline 5.64 bit
| Answer | Count | Share |
|---|---|---|
| 成都 | 11 | 37.9% |
| 杭州 | 9 | 31.0% |
| 上海 | 7 | 24.1% |
| 巴塞罗那 | 2 | 6.9% |
Random color · English
n = 30 · H = 2.77 bit · uniform baseline 4.91 bit
| Answer | Count | Share |
|---|---|---|
| teal | 8 | 26.7% |
| azure | 7 | 23.3% |
| cyan | 5 | 16.7% |
| magenta | 3 | 10.0% |
| purple | 2 | 6.7% |
| blue | 2 | 6.7% |
| crimson | 1 | 3.3% |
| maroon | 1 | 3.3% |
+ 1 more answers
Random color · Chinese
n = 27 · H = 1.46 bit · uniform baseline 4.91 bit
| Answer | Count | Share |
|---|---|---|
| 靛蓝 | 17 | 63.0% |
| 青 | 6 | 22.2% |
| 蓝 | 2 | 7.4% |
| 紫 | 2 | 7.4% |
Random letter · English
n = 29 · H = 1.76 bit · uniform baseline 4.70 bit
| Answer | Count | Share |
|---|---|---|
| q | 17 | 58.6% |
| k | 6 | 20.7% |
| x | 3 | 10.3% |
| w | 1 | 3.4% |
| j | 1 | 3.4% |
| r | 1 | 3.4% |
Random number 1-10 · English
n = 29 · H = 0.22 bit · uniform baseline 3.32 bit
| Answer | Count | Share |
|---|---|---|
| 7 | 28 | 96.6% |
| 5 | 1 | 3.4% |
Random number 1-10 · Chinese
n = 29 · H = 0.22 bit · uniform baseline 3.32 bit
| Answer | Count | Share |
|---|---|---|
| 7 | 28 | 96.6% |
| 5 | 1 | 3.4% |
Random number 1-100 · English
n = 28 · H = 1.14 bit · uniform baseline 6.64 bit
| Answer | Count | Share |
|---|---|---|
| 73 | 17 | 60.7% |
| 47 | 10 | 35.7% |
| 57 | 1 | 3.6% |
Random number 1-100 · Chinese
n = 27 · H = 1.81 bit · uniform baseline 6.64 bit
| Answer | Count | Share |
|---|---|---|
| 73 | 11 | 40.7% |
| 47 | 8 | 29.6% |
| 42 | 6 | 22.2% |
| 37 | 2 | 7.4% |
Want to verify your API really serves Kimi K2 0711?
Point the free fingerprint checker at your endpoint: it samples the same probe questions from your browser and compares the distributions against this reference. Your API key never leaves your browser.
Verify your endpointData source & license
Distributions: Tomáš Bruckner, "One Token Is Enough" (arXiv:2607.10252), official dataset Zenodo DOI 10.5281/zenodo.21278557, licensed CC-BY-4.0. Collected via OpenRouter at temperature 1.0 under the paper's fixed minimal one-word system prompt; answer keys are re-normalized with the checker's pipeline (color aliases, number words, coin h/t) so live probes are directly comparable.