AI Desk · Model Identity · Compare
Mistral: Mistral Small 4 · NVIDIA: Nemotron Nano 9B V2 (free)
Identity similarity: moderatePartial agreement · 41/50Partial agreement is weak lineage evidence on its own. Related vocabularies overlap; so do unrelated ones on easy strings.
Mistral: Mistral Small 4 recordNVIDIA: Nemotron Nano 9B V2 (free) recordOpen in the interactive bench
Tokenizer fingerprint
41 of 50 mutually clean strings agree| Test string | Mistral: Mistral Small 4 | NVIDIA: Nemotron Nano 9B V2 (free) | Verdict |
|---|---|---|---|
| en-prose | 14 | 13 | differs |
| en-long | 18 | 17 | differs |
| spaces-20 | 3 | 3 | match |
| spaces-60 | 3 | 3 | match |
| tabs-20 | 4 | 4 | match |
| newlines-20 | 7 | 7 | match |
| mixed-ws | 7 | 7 | match |
| digits-9 | 9 | 9 | match |
| digits-12 | 12 | 12 | match |
| digits-30 | 30 | 30 | match |
| digits-sep | 12 | 12 | match |
| float-long | 22 | 22 | match |
| zh-common | 16 | 16 | match |
| zh-long | 20 | 20 | match |
| zh-rare | 20 | 20 | match |
| ja-kana | 11 | 11 | match |
| ja-kanji | 13 | 13 | match |
| ko | 13 | 13 | match |
| ru | 12 | 12 | match |
| ar | 9 | 9 | match |
| he | 10 | 10 | match |
| hi | 14 | 14 | match |
| th | 17 | 17 | match |
| el | 13 | 13 | match |
| emoji-basic | 20 | 20 | match |
| emoji-skin | 40 | 40 | match |
| emoji-zwj-family | 19 | 19 | match |
| emoji-zwj-x3 | 57 | 57 | match |
| emoji-flags | 32 | 32 | match |
| emoji-prof | 35 | 35 | match |
| math | 33 | 33 | match |
| boxdraw | 30 | 30 | match |
| combining | 14 | 14 | match |
| cjk-ext-b | 16 | 16 | match |
| surrogates | 53 | 53 | match |
| zalgo | 36 | 36 | match |
| rtl-mix | 6 | 6 | match |
| py-code | 25 | 24 | differs |
| py-indent | 15 | 15 | match |
| json | 25 | 24 | differs |
| html | 16 | 15 | differs |
| regex | 49 | 48 | differs |
| camel | 6 | 6 | match |
| snake | 7 | 7 | match |
| rare-word-x5 | 36 | 35 | differs |
| repeat-tok | 41 | 40 | differs |
| base64 | 39 | 38 | differs |
| hex | 19 | 19 | match |
| url | 19 | 19 | match |
| uuid | 36 | 36 | match |
Values are the marginal prompt-token cost of each string with the model's fixed overhead subtracted. An x marks a row excluded as corrupt for that model.
API surface
The declared serving contracts differ| Field | Mistral: Mistral Small 4 | NVIDIA: Nemotron Nano 9B V2 (free) | Verdict |
|---|---|---|---|
| Context length | 262144 | 128000 | × differs |
| Max output tokens | – | – | ✓ match |
| Supported parameters | frequency_penalty, include_reasoning, max_tokens, presence_penalty, reasoning, reasoning_effort, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_k, top_p | include_reasoning, max_tokens, reasoning, response_format, seed, structured_outputs, temperature, tool_choice, tools, top_p | × differs |
| Defaults | {"temperature":null,"top_p":null,"top_k":null,"frequency_penalty":null,"presence_penalty":null,"repetition_penalty":null} | {"temperature":null,"top_p":null,"frequency_penalty":null} | × differs |
| Reasoning contract | {"mandatory":false,"default_enabled":false,"supported_efforts":["high","none"],"default_effort":"high"} | {"mandatory":false} | × differs |
| Modalities | text+image->text | text->text | × differs |
Method: tokenizer fingerprinting, v1, 50 strings. Raw data on the data page. This page is static and dated; the interactive bench compares any two of the 422 catalogue models.