Seed-2.0-Mini Behavioral Fingerprint
How ByteDance Seed's Seed-2.0-Mini answers one-word probe questions at temperature 1.0 — random numbers, colors, animals, coin flips — measured over 431 valid samples in the open dataset of "One Token Is Enough" (arXiv:2607.10252).
Vendor
ByteDance Seed
Data generated
2026-07-08
Probe cells
15
Valid samples
431
Randomness score
34 / 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)
42
24 / 30 answers
Favorite color
periwinkle
14 / 30 answers
Coin flip: heads
76%
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 = 30 · H = 0.78 bit · uniform baseline 1.00 bit
| Answer | Count | Share |
|---|---|---|
| heads | 23 | 76.7% |
| tails | 7 | 23.3% |
Coin flip · Chinese
n = 11 · H = 0.85 bit · uniform baseline 1.00 bit
| Answer | Count | Share |
|---|---|---|
| heads | 8 | 72.7% |
| tails | 3 | 27.3% |
Favorite number · English
n = 30 · H = 0.00 bit · uniform baseline 13.29 bit
| Answer | Count | Share |
|---|---|---|
| 7 | 30 | 100.0% |
Favorite number · Chinese
n = 30 · H = 0.00 bit · uniform baseline 13.29 bit
| Answer | Count | Share |
|---|---|---|
| 7 | 30 | 100.0% |
Random animal · English
n = 30 · H = 1.35 bit · uniform baseline 5.64 bit
| Answer | Count | Share |
|---|---|---|
| platypus | 20 | 66.7% |
| quokka | 6 | 20.0% |
| axolotl | 3 | 10.0% |
| kaka | 1 | 3.3% |
Random animal · Chinese
n = 30 · H = 2.92 bit · uniform baseline 5.64 bit
| Answer | Count | Share |
|---|---|---|
| 考拉 | 11 | 36.7% |
| 鸭嘴兽 | 4 | 13.3% |
| 海狸 | 3 | 10.0% |
| 海獭 | 3 | 10.0% |
| 树懒 | 2 | 6.7% |
| 企鹅 | 2 | 6.7% |
| 章鱼 | 1 | 3.3% |
| 针鼹 | 1 | 3.3% |
+ 3 more answers
Random city · English
n = 30 · H = 3.65 bit · uniform baseline 5.64 bit
| Answer | Count | Share |
|---|---|---|
| lisbon | 7 | 23.3% |
| portland | 4 | 13.3% |
| edinburgh | 2 | 6.7% |
| prague | 2 | 6.7% |
| paris | 2 | 6.7% |
| vancouver | 2 | 6.7% |
| vienna | 2 | 6.7% |
| bordeaux | 1 | 3.3% |
+ 8 more answers
Random city · Chinese
n = 30 · H = 2.47 bit · uniform baseline 5.64 bit
| Answer | Count | Share |
|---|---|---|
| 巴黎 | 11 | 36.7% |
| 成都 | 7 | 23.3% |
| 东京 | 6 | 20.0% |
| 维也纳 | 1 | 3.3% |
| 大阪 | 1 | 3.3% |
| 科隆 | 1 | 3.3% |
| 大连 | 1 | 3.3% |
| 武汉 | 1 | 3.3% |
+ 1 more answers
Random color · English
n = 30 · H = 2.00 bit · uniform baseline 4.91 bit
| Answer | Count | Share |
|---|---|---|
| periwinkle | 14 | 46.7% |
| cerulean | 8 | 26.7% |
| teal | 4 | 13.3% |
| crimson | 2 | 6.7% |
| turquoise | 1 | 3.3% |
| lavender | 1 | 3.3% |
Random color · Chinese
n = 30 · H = 2.44 bit · uniform baseline 4.91 bit
| Answer | Count | Share |
|---|---|---|
| 天蓝 | 9 | 30.0% |
| 靛蓝 | 8 | 26.7% |
| 藏青 | 5 | 16.7% |
| 蔚蓝 | 4 | 13.3% |
| 洋红 | 2 | 6.7% |
| 天青 | 1 | 3.3% |
| 琥珀 | 1 | 3.3% |
Random letter · English
n = 30 · H = 1.96 bit · uniform baseline 4.70 bit
| Answer | Count | Share |
|---|---|---|
| k | 14 | 46.7% |
| q | 7 | 23.3% |
| m | 6 | 20.0% |
| x | 1 | 3.3% |
| g | 1 | 3.3% |
| b | 1 | 3.3% |
Random number 1-10 · English
n = 30 · H = 0.00 bit · uniform baseline 3.32 bit
| Answer | Count | Share |
|---|---|---|
| 7 | 30 | 100.0% |
Random number 1-10 · Chinese
n = 30 · H = 0.00 bit · uniform baseline 3.32 bit
| Answer | Count | Share |
|---|---|---|
| 7 | 30 | 100.0% |
Random number 1-100 · English
n = 30 · H = 0.72 bit · uniform baseline 6.64 bit
| Answer | Count | Share |
|---|---|---|
| 42 | 24 | 80.0% |
| 47 | 6 | 20.0% |
Random number 1-100 · Chinese
n = 30 · H = 1.18 bit · uniform baseline 6.64 bit
| Answer | Count | Share |
|---|---|---|
| 42 | 21 | 70.0% |
| 47 | 7 | 23.3% |
| 57 | 1 | 3.3% |
| 67 | 1 | 3.3% |
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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.