Llama 3.1 70B - NC Bench

meta-llama/llama-3.1-70b-instruct

Llama 3.1 70B

via OpenRouter

Release Date

Jul 23rd, 2024

Context Size

128k

Reasoning

Benchmark Cost

$1.19

Speed

1021.7 tok/s

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	75	71	69	67	58	68%
Horror: alone in an eerie place at night Creative Writing Hallucination	81	75	75	65	63	72%
Literary fiction: old friends reunite Creative Writing Hallucination	81	76	76	71	68	75%
Mystery: examining a crime scene Creative Writing Hallucination	80	78	76	73	65	74%
Romance: separated couple reunites Creative Writing Hallucination	77	76	76	68	65	72%
Thriller: chase through city streets Creative Writing Hallucination	77	76	75	75	72	75%
Detailed Writing Rules						72.62%
genre
Fantasy: entering an ancient ruin Creative Writing Hallucination	71	66	65	63	58	65%
Horror: alone in an eerie place at night Creative Writing Hallucination	84	77	69	68	64	72%
Literary fiction: old friends reunite Creative Writing Hallucination	88	74	74	72	67	75%
Mystery: examining a crime scene Creative Writing Hallucination	80	78	75	74	74	76%
Romance: separated couple reunites Creative Writing Hallucination	77	77	74	73	73	75%
Thriller: chase through city streets Creative Writing Hallucination	81	79	79	74	62	75%
genre						73.01%
Novelcrafter Default Prompt
Fantasy: entering an ancient ruin Creative Writing Hallucination	77	76	73	69	68	73%
Horror: alone in an eerie place at night Creative Writing Hallucination	76	71	71	67	65	70%
Literary fiction: old friends reunite Creative Writing Hallucination	79	72	72	71	64	72%
Mystery: examining a crime scene Creative Writing Hallucination	83	80	79	75	62	76%
Romance: separated couple reunites Creative Writing Hallucination	80	76	68	67	64	71%
Thriller: chase through city streets Creative Writing Hallucination	79	77	72	69	65	72%
Novelcrafter Default Prompt						72.27%
72.64%

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	92	90	90	86	84	89%
Medium: The Hollow (Inferred) Tooling Reasoning	91	90	89	86	86	88%
Medium: Through the Thornveil (Scattered) Tooling Reasoning	87	85	84	84	3	68%
Short: The Rusty Lantern (Explicit) Tooling Reasoning	92	91	90	89	87	90%
83.82%

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	100	29	17	17	8	6	5	4	3	3	19%
Long text (~1594 words), small codex (11 entries) Hallucination	31	25	17	17	10	10	10	10	5	3	14%
Short text (~524 words), big codex (51 entries) Hallucination	100	32	31	10	8	6	6	6	5	4	21%
Short text (~524 words), small codex (11 entries) Hallucination	100	100	100	100	100	35	30	17	5	4	59%
basic entries											28.16%
detailed entries
Long text (~1594 words), big codex (51 detailed entries) Hallucination	28	17	10	10	8	6	5	5	5	3	10%
Long text (~1594 words), small codex (11 detailed entries) Hallucination	100	100	25	17	13	10	8	6	6	6	29%
Short text (~524 words), big codex (51 detailed entries) Hallucination	100	50	29	17	8	7	6	5	5	4	23%
Short text (~524 words), small codex (11 detailed entries) Hallucination	100	100	100	100	42	42	38	25	25	25	60%
detailed entries											30.36%
29.26%

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	55	52	52	46	46	43	34	3	3	0	33%
Large codex (40 entries), short passage (165 words) Tooling Reasoning	76	74	70	67	58	57	54	52	47	0	56%
Small codex (7 entries), long passage (734 words) Tooling Reasoning	84	83	80	80	80	80	80	80	77	75	80%
Small codex (7 entries), short passage (165 words) Tooling Reasoning	100	97	97	97	97	97	97	97	97	97	97%
matrix											66.53%
tiers
5 codex entries Tooling Reasoning	100	100	100	100	100	100	93	90	83	83	95%
10 codex entries Tooling Reasoning	94	94	94	94	94	94	94	94	86	0	84%
20 codex entries Tooling Reasoning	82	82	77	77	76	73	73	73	61	51	73%
40 codex entries Tooling Reasoning	87	71	67	67	63	62	57	53	50	0	58%
tiers											77.35%
71.94%

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	100	100	50	50	50	50	50	50	50	50	60%
Guess the pet Reasoning	100	50	50	50	50	50	50	50	50	50	55%
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	100	100	100	100%
What instrument does Lucy play? Reasoning	100	100	100	100	100	100	100	100	100	50	95%
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%
84.17%

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	50	50	49	49	49	47	45	41	34	14	43%
Write 200 words with 50% dialogue Rule Following Utility	92	66	50	45	43	38	34	26	18	5	42%
Write 200 words with 90% dialogue Rule Following Utility	87	83	68	68	68	67	65	57	44	2	61%
dialogue-200											48.43%
dialogue-500
Write 500 words with 30% dialogue Rule Following Utility	30	5	1	0	0	0	0	0	0	0	4%
Write 500 words with 50% dialogue Rule Following Utility	49	34	18	4	0	0	0	0	0	0	10%
Write 500 words with 70% dialogue Rule Following Utility	93	47	47	45	45	11	3	1	0	0	29%
dialogue-500											14.45%
Ungrouped
Write unattributed dialogue Rule Following	100	100	100	100	100	100	100	100	100	61	96%
40.67%

Language Comprehension

Does the model understand more than just English?

Scenario	#1	#2	#3	#4	#5	Total
Asking for directions (Dutch) Language	100	0	0	0	0	20%
Asking for directions (German) Language	100	100	100	100	100	100%
Friend got new kittens (German) Language	100	100	100	100	0	80%
Friend got new kittens (Tagalog) Language	100	100	100	100	100	100%
75.00%

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	92	91	85	94%
Character dialogue (German) in a story Language	100	100	100	83	80	93%
Character dialogue (Hindi) in a story Language	100	60	57	56	54	65%
Character dialogue (Italian) in a story Language	100	100	93	83	67	89%
Character dialogue (Spanish) in a story Language	100	100	86	75	73	87%
85.36%

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	100	100	100	100	100	100	100	100	100	98	100%
Write sentences with 10 words each Utility	100	100	100	100	100	100	97	95	87	84	96%
Write sentences with 20 words each Utility	74	69	60	58	54	53	50	46	43	38	55%
83.58%

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	0	0	0	0	0	0	0	0	0	10%
outline-count											70.00%
pov-count
Count point of views for Jack and Olivia Utility	100	100	100	100	100	100	50	50	0	0	70%
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	0	0	0	0	0	50%
pov-count											63.33%
66.67%

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	90	88	87	83	83	83	87%
Expand all contractions Text Editing	100	100	100	100	100	100	99	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	100	100	74	96%
Passive voice → active voice Text Editing Hallucination	91	90	87	80	80	78	74	83%
POV shift: 3rd person to 1st person (Elena's perspective) Text Editing	100	99	99	97	95	91	91	96%
Tense rewriting: past to present Text Editing	97	97	97	96	96	96	95	96%
Generic Prompt								95.41%
Specific Prompt
Avoid said/asked/replied/answered Text Editing	100	100	100	100	100	86	83	96%
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	97	88	97%
Expand all contractions Text Editing	100	100	100	100	100	100	99	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	100	100	100	100%
Passive voice → active voice Text Editing Hallucination	93	92	89	88	87	87	85	89%
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								97.92%
96.66%

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	67	0	87%
86.67%

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	0	0	0	0	0	0	0	0	0	0	0%
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	100	0	90%
Simple (5-shot) Few-shot Rule Following	100	100	100	100	100	100	100	100	100	100	100%
Unattributed dialogue Rule Following	100	100	100	100	100	100	100	100	100	100	100%
72.00%

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	100	100	100	100	100	100	100	92	99%
20 sentence summary Utility	100	100	98	92	92	92	77	54	27	2	73%
50 sentence summary Utility	100	100	100	0	0	0	0	0	0	0	30%
sentences											80.53%
words
10 word summary Utility	98	92	92	92	92	92	77	77	77	54	85%
20 word summary Utility	27	0	0	0	0	0	0	0	0	0	3%
50 word summary Utility	100	100	98	98	92	77	54	27	27	27	70%
100 word summary Utility	100	100	98	98	92	77	54	54	27	9	71%
200 word summary Utility	0	0	0	0	0	0	0	0	0	0	0%
words											45.69%
71.62%