Mistral Large 2 - NC Bench

mistral-large-2407

Mistral Large 2

via mistral

Release Date

Jul 24th, 2024

Context Size

128k

Reasoning

Benchmark Cost

$8.79

Speed

–

Subcategories

Bad Writing Habits

Detects common prose quality anti-patterns in AI-generated creative writing, including passive voice, past progressive overuse, weak dialogue tags, filter words, purple prose, cliches, AI-ism words/adverbs/names, and more.

Scenario	#1	#2	#3	#4	#5	Total
Detailed Writing Rules
Fantasy: entering an ancient ruin Creative Writing Hallucination	86	77	77	75	74	78%
Horror: alone in an eerie place at night Creative Writing Hallucination	86	84	84	82	75	82%
Literary fiction: old friends reunite Creative Writing Hallucination	89	86	86	86	82	86%
Mystery: examining a crime scene Creative Writing Hallucination	89	84	83	81	73	82%
Romance: separated couple reunites Creative Writing Hallucination	86	83	82	79	77	81%
Thriller: chase through city streets Creative Writing Hallucination	83	81	80	80	76	80%
Detailed Writing Rules						81.52%
genre
Fantasy: entering an ancient ruin Creative Writing Hallucination	83	81	76	75	74	78%
Horror: alone in an eerie place at night Creative Writing Hallucination	87	81	80	79	76	81%
Literary fiction: old friends reunite Creative Writing Hallucination	89	85	80	79	78	82%
Mystery: examining a crime scene Creative Writing Hallucination	89	84	79	78	76	81%
Romance: separated couple reunites Creative Writing Hallucination	83	82	81	80	74	80%
Thriller: chase through city streets Creative Writing Hallucination	85	84	79	75	69	79%
genre						79.95%
Novelcrafter Default Prompt
Fantasy: entering an ancient ruin Creative Writing Hallucination	85	79	76	76	75	78%
Horror: alone in an eerie place at night Creative Writing Hallucination	82	81	80	74	73	78%
Literary fiction: old friends reunite Creative Writing Hallucination	91	89	89	87	83	88%
Mystery: examining a crime scene Creative Writing Hallucination	85	84	84	84	83	84%
Romance: separated couple reunites Creative Writing Hallucination	85	85	83	83	80	83%
Thriller: chase through city streets Creative Writing Hallucination	85	84	81	79	77	81%
Novelcrafter Default Prompt						82.15%
81.21%

Codex Extraction

Evaluates a model's ability to extract structured codex entries (characters, locations, objects, lore) from prose passages and return them as well-formed XML.

Scenario	#1	#2	#3	#4	#5	Total
Long: The Spire of Echoes (Dense) Tooling Reasoning	96	96	96	96	93	96%
Medium: The Hollow (Inferred) Tooling Reasoning	98	98	97	95	94	96%
Medium: Through the Thornveil (Scattered) Tooling Reasoning	92	91	91	91	89	91%
Short: The Rusty Lantern (Explicit) Tooling Reasoning	96	95	95	95	95	95%
94.55%

Codex Red Herring (False Positive Detection)

Tests whether models correctly report "no violations" when a codex is fully consistent with the prose passage. Models that hallucinate false violations (false positives) fail. Uses a 2×2 matrix of text length × codex size, with bare and detailed-entry variants.

Scenario	#1	#2	#3	#4	#5	#6	#7	#8	#9	#10	Total
basic entries
Long text (~1594 words), big codex (51 entries) Hallucination	8	6	6	6	5	4	4	3	3	2	5%
Long text (~1594 words), small codex (11 entries) Hallucination	29	6	5	5	5	4	4	3	3	3	6%
Short text (~524 words), big codex (51 entries) Hallucination	33	31	30	29	29	8	4	4	4	3	17%
Short text (~524 words), small codex (11 entries) Hallucination	35	33	31	31	31	30	10	10	8	7	23%
basic entries											12.79%
detailed entries
Long text (~1594 words), big codex (51 detailed entries) Hallucination	27	8	6	5	4	4	4	4	3	2	7%
Long text (~1594 words), small codex (11 detailed entries) Hallucination	29	28	27	4	4	4	4	4	4	3	11%
Short text (~524 words), big codex (51 detailed entries) Hallucination	100	100	100	100	100	100	100	100	100	100	100%
Short text (~524 words), small codex (11 detailed entries) Hallucination	100	100	100	100	100	100	100	100	100	100	100%
detailed entries											54.40%
33.60%

Codex Violation Detection

Detects factual inconsistencies between a story bible and prose passages. The model must output structured XML identifying each violation with paragraph number and substring.

Scenario	#1	#2	#3	#4	#5	#6	#7	#8	#9	#10	Total
matrix
Large codex (40 entries), long passage (1,019 words) Tooling Reasoning	89	86	85	84	84	83	81	81	81	75	83%
Large codex (40 entries), short passage (165 words) Tooling Reasoning	92	89	89	85	83	83	83	83	83	80	85%
Small codex (7 entries), long passage (734 words) Tooling Reasoning	93	88	84	84	84	84	84	79	75	75	83%
Small codex (7 entries), short passage (165 words) Tooling Reasoning	97	97	97	97	97	97	97	97	92	92	96%
matrix											86.65%
tiers
5 codex entries Tooling Reasoning	91	91	91	91	91	91	91	91	91	91	91%
10 codex entries Tooling Reasoning	100	86	86	86	86	79	79	79	72	72	83%
20 codex entries Tooling Reasoning	92	92	92	89	88	88	88	85	81	77	87%
40 codex entries Tooling Reasoning	100	97	97	97	97	97	93	93	93	92	96%
tiers											89.20%
87.92%

Data extraction

Extract key details from a given block of text.

Scenario	#1	#2	#3	#4	#5	#6	#7	#8	#9	#10	Total
All valid emails Utility	100	100	100	100	100	100	100	100	100	100	100%
Contextual pronoun Utility	100	100	100	100	100	100	100	100	100	100	100%
Fruits excluding citrus Utility	100	100	100	100	100	100	100	100	100	100	100%
Future event time Reasoning	50	50	50	50	50	50	50	50	50	50	50%
Guess the pet Reasoning	100	100	100	100	100	100	100	100	100	100	100%
Highest-rated movie Reasoning	100	100	100	100	100	100	100	100	100	100	100%
Indirect birth year Reasoning	100	100	100	100	100	100	100	50	50	50	85%
What instrument does Lucy play? Reasoning	100	100	100	100	100	100	100	100	100	100	100%
What's the color of the car? Utility	100	100	100	100	100	100	100	100	100	100	100%
What's the correct time? Reasoning	0	0	0	0	0	0	0	0	0	0	0%
Who's the sister? Reasoning	100	100	100	100	100	100	100	100	100	100	100%
Who's the tallest? Reasoning	100	100	100	100	100	100	100	100	100	100	100%
86.25%

Dialogue tags

Various tasks related to dialogue tags in text.

Scenario	#1	#2	#3	#4	#5	#6	#7	#8	#9	#10	Total
dialogue-200
Write 200 words with 10% dialogue Rule Following Utility	14	10	1	1	0	0	0	0	0	0	2%
Write 200 words with 50% dialogue Rule Following Utility	49	14	3	1	0	0	0	0	0	0	7%
Write 200 words with 90% dialogue Rule Following Utility	50	49	49	39	24	7	2	1	1	0	22%
dialogue-200											10.44%
dialogue-500
Write 500 words with 30% dialogue Rule Following Utility	10	0	0	0	0	0	0	0	0	0	1%
Write 500 words with 50% dialogue Rule Following Utility	52	50	4	4	3	0	0	0	0	0	11%
Write 500 words with 70% dialogue Rule Following Utility	50	49	45	36	17	9	4	4	0	0	21%
dialogue-500											11.27%
Ungrouped
Write unattributed dialogue Rule Following	100	100	100	100	100	100	100	100	100	100	100%
23.59%

Language Comprehension

Does the model understand more than just English?

Scenario	#1	#2	#3	#4	#5	Total
Asking for directions (Dutch) Language	100	100	100	100	100	100%
Asking for directions (German) Language	100	100	100	100	100	100%
Friend got new kittens (German) Language	100	100	100	100	100	100%
Friend got new kittens (Tagalog) Language	100	100	100	100	100	100%
100.00%

Language Writing

Can the model generate text in different languages?

Scenario	#1	#2	#3	#4	#5	Total
Character dialogue (French) in a story Language	100	100	100	100	0	80%
Character dialogue (German) in a story Language	100	100	100	0	0	60%
Character dialogue (Hindi) in a story Language	100	56	55	0	0	42%
Character dialogue (Italian) in a story Language	100	100	100	100	100	100%
Character dialogue (Spanish) in a story Language	100	100	100	50	0	70%
70.43%

N-Length Sentences

Write sentences with exactly N words

Scenario	#1	#2	#3	#4	#5	#6	#7	#8	#9	#10	Total
Write sentences with 5 words each Utility	91	91	91	89	87	82	70	60	52	16	73%
Write sentences with 10 words each Utility	81	73	57	46	43	28	19	19	17	14	40%
Write sentences with 20 words each Utility	0	0	0	0	0	0	0	0	0	0	0%
37.51%

Novel outline

Handle questions about the outline of a novel in various formats

Scenario	#1	#2	#3	#4	#5	#6	#7	#8	#9	#10	Total
outline-count
Count acts Utility	100	100	100	100	100	100	100	100	100	100	100%
Count chapters Utility	100	100	100	100	100	100	100	100	100	100	100%
Count scenes Utility	100	100	100	100	100	100	100	100	0	0	80%
outline-count											93.33%
pov-count
Count point of views for Jack and Olivia Utility	100	50	50	50	50	50	50	50	50	0	50%
Count point of views for Jack Harper Utility	100	100	100	100	100	100	100	0	0	0	70%
Count point of views for Olivia Utility	100	100	100	100	100	100	0	0	0	0	60%
pov-count											60.00%
76.67%

Text Replacement

Tests deterministic text transformations: renaming characters/locations, expanding contractions, tense rewriting, POV shifts, gender swaps, combined transformations, and word avoidance. Scored by checking each expected change independently.

Scenario	#1	#2	#3	#4	#5	#6	#7	Total
Generic Prompt
Avoid said/asked/replied/answered Text Editing	100	100	100	100	100	100	100	100%
Character rename: Elena->Mirabel, Gregor->Aldric Text Editing	100	100	100	100	100	100	100	100%
Combined: 3rd person past → 1st person present Text Editing	98	98	98	98	98	98	98	98%
Expand all contractions Text Editing	100	100	100	100	100	100	100	100%
Location rename: market square, outer ring, bridge, northern mines Text Editing	100	100	100	100	100	100	100	100%
Multi-character gender swap: Priya(F)->Rohan(M), Mara unchanged Text Editing	74	74	74	74	74	74	74	74%
Passive voice → active voice Text Editing Hallucination	92	92	91	91	91	91	91	91%
POV shift: 3rd person to 1st person (Elena's perspective) Text Editing	100	100	100	100	100	100	100	100%
Tense rewriting: past to present Text Editing	99	99	99	99	99	99	99	99%
Generic Prompt								95.75%
Specific Prompt
Avoid said/asked/replied/answered Text Editing	100	100	100	100	100	100	100	100%
Character rename: Elena->Mirabel, Gregor->Aldric Text Editing	100	100	100	100	100	100	100	100%
Combined: 3rd person past → 1st person present Text Editing	99	99	99	99	99	99	99	99%
Expand all contractions Text Editing	100	100	100	100	100	100	100	100%
Location rename: market square, outer ring, bridge, northern mines Text Editing	100	100	100	100	100	100	100	100%
Multi-character gender swap: Priya(F)->Rohan(M), Mara unchanged Text Editing	100	100	100	100	99	99	99	100%
Passive voice → active voice Text Editing Hallucination	96	96	96	96	96	95	95	96%
POV shift: 3rd person to 1st person (Elena's perspective) Text Editing	100	100	100	100	100	100	100	100%
Tense rewriting: past to present Text Editing	100	100	100	100	100	100	100	100%
Specific Prompt								99.41%
97.58%

Tool usage within Novelcrafter

Output messages that are related to tool usage within Novelcrafter

Scenario	#1	#2	#3	#4	#5	#6	#7	#8	#9	#10	Total
Create alternate prose sections Tooling	100	100	100	100	100	100	100	100	100	100	100%
100.00%

Voice/dialogue sheets

Extract dialogue from given text as voice sheets.

Scenario	#1	#2	#3	#4	#5	#6	#7	#8	#9	#10	Total
Multiple speakers Rule Following	100	100	100	100	100	100	100	100	100	100	100%
Simple Rule Following	100	100	100	100	100	100	100	0	0	0	70%
Simple (1-shot) 1-shot Rule Following	100	100	100	100	100	100	100	100	0	0	80%
Simple (5-shot) Few-shot Rule Following	100	100	100	100	100	100	100	100	100	100	100%
Unattributed dialogue Rule Following	0	0	0	0	0	0	0	0	0	0	0%
70.00%

Write N of X

Write exactly N words/sentences/paragraphs...

Scenario	#1	#2	#3	#4	#5	#6	#7	#8	#9	#10	Total
paragraphs
1 paragraph summary Utility	100	100	100	100	100	100	100	100	100	100	100%
3 paragraph summary Utility	100	100	100	100	100	100	100	100	100	100	100%
5 paragraph summary Utility	100	100	100	100	100	100	100	100	100	100	100%
paragraphs											100.00%
sentences
1 sentence summary Utility	100	100	100	100	100	100	100	100	100	100	100%
3 sentence summary Utility	100	100	100	100	100	100	100	100	100	100	100%
10 sentence summary Utility	100	100	98	98	98	92	92	92	77	77	93%
20 sentence summary Utility	9	2	2	0	0	0	0	0	0	0	1%
50 sentence summary Utility	0	0	0	0	0	0	0	0	0	0	0%
sentences											58.78%
words
10 word summary Utility	98	98	2	2	0	0	0	0	0	0	20%
20 word summary Utility	0	0	0	0	0	0	0	0	0	0	0%
50 word summary Utility	98	92	77	77	54	27	0	0	0	0	43%
100 word summary Utility	100	100	100	92	77	77	0	0	0	0	55%
200 word summary Utility	0	0	0	0	0	0	0	0	0	0	0%
words											23.49%
54.72%