AI Desk · Model Identity · Compare
Mistral: Mistral Small 4 · NVIDIA: Nemotron 3 Nano 30B A3B
Identity similarity: very highExact tokenizer agreement · 50/50Exact agreement across every measured string is strong evidence of shared tokenizer lineage. It shows shared ancestry, and does not on its own establish that these are the same release.
Mistral: Mistral Small 4 recordNVIDIA: Nemotron 3 Nano 30B A3B recordOpen in the interactive bench
Tokenizer fingerprint
50 of 50 mutually clean strings agree| Test string | Mistral: Mistral Small 4 | NVIDIA: Nemotron 3 Nano 30B A3B | Verdict |
|---|---|---|---|
| en-prose | 14 | 14 | match |
| en-long | 18 | 18 | match |
| 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 | 25 | match |
| py-indent | 15 | 15 | match |
| json | 25 | 25 | match |
| html | 16 | 16 | match |
| regex | 49 | 49 | match |
| camel | 6 | 6 | match |
| snake | 7 | 7 | match |
| rare-word-x5 | 36 | 36 | match |
| repeat-tok | 41 | 41 | match |
| base64 | 39 | 39 | match |
| 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 3 Nano 30B A3B | Verdict |
|---|---|---|---|
| Context length | 262144 | 262144 | ✓ match |
| Max output tokens | – | 262144 | × differs |
| 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 | frequency_penalty, include_reasoning, logit_bias, logprobs, max_tokens, min_p, presence_penalty, reasoning, repetition_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_k, top_logprobs, 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.