Cydonia 24B V4.1 - NC Bench

thedrummer/cydonia-24b-v4.1

Cydonia 24B V4.1

via OpenRouter

Release Date

Sep 27th, 2025

Context Size

131k

Reasoning

Benchmark Cost

$0.54

Speed

37.1 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	83	80	79	77	76	79%
Horror: alone in an eerie place at night Creative Writing Hallucination	84	77	75	70	66	74%
Literary fiction: old friends reunite Creative Writing Hallucination	81	77	77	77	73	77%
Mystery: examining a crime scene Creative Writing Hallucination	84	84	83	82	77	82%
Romance: separated couple reunites Creative Writing Hallucination	85	81	79	77	68	78%
Thriller: chase through city streets Creative Writing Hallucination	86	84	81	79	77	81%
Detailed Writing Rules						78.64%
genre
Fantasy: entering an ancient ruin Creative Writing Hallucination	76	71	69	67	64	69%
Horror: alone in an eerie place at night Creative Writing Hallucination	77	76	73	72	65	73%
Literary fiction: old friends reunite Creative Writing Hallucination	79	77	75	70	67	73%
Mystery: examining a crime scene Creative Writing Hallucination	82	80	73	72	66	75%
Romance: separated couple reunites Creative Writing Hallucination	78	76	75	74	68	74%
Thriller: chase through city streets Creative Writing Hallucination	85	82	72	69	64	74%
genre						73.06%
Novelcrafter Default Prompt
Fantasy: entering an ancient ruin Creative Writing Hallucination	76	74	72	68	67	71%
Horror: alone in an eerie place at night Creative Writing Hallucination	79	77	72	71	70	74%
Literary fiction: old friends reunite Creative Writing Hallucination	79	77	76	75	75	76%
Mystery: examining a crime scene Creative Writing Hallucination	84	82	76	75	70	77%
Romance: separated couple reunites Creative Writing Hallucination	83	73	72	72	71	74%
Thriller: chase through city streets Creative Writing Hallucination	81	80	79	78	75	79%
Novelcrafter Default Prompt						75.26%
75.65%

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	93	92	91	88	82	89%
Medium: The Hollow (Inferred) Tooling Reasoning	96	94	94	93	88	93%
Medium: Through the Thornveil (Scattered) Tooling Reasoning	96	89	89	89	86	90%
Short: The Rusty Lantern (Explicit) Tooling Reasoning	92	92	91	86	3	73%
86.11%

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	100	100	100	100	100	38	38	38	2	71%
Long text (~1594 words), small codex (11 entries) Hallucination	100	100	100	100	100	100	8	7	6	4	62%
Short text (~524 words), big codex (51 entries) Hallucination	100	100	100	100	31	30	8	4	3	3	48%
Short text (~524 words), small codex (11 entries) Hallucination	100	100	100	50	35	29	28	17	10	8	48%
basic entries											57.39%
detailed entries
Long text (~1594 words), big codex (51 detailed entries) Hallucination	100	33	33	31	31	30	26	5	2	2	29%
Long text (~1594 words), small codex (11 detailed entries) Hallucination	100	100	100	100	35	31	29	25	8	7	54%
Short text (~524 words), big codex (51 detailed entries) Hallucination	100	100	100	100	42	31	28	10	7	3	52%
Short text (~524 words), small codex (11 detailed entries) Hallucination	100	100	100	100	100	100	100	100	17	13	83%
detailed entries											54.42%
55.90%

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	65	63	58	57	55	52	51	49	47	39	54%
Large codex (40 entries), short passage (165 words) Tooling Reasoning	80	79	78	69	69	69	66	63	57	52	68%
Small codex (7 entries), long passage (734 words) Tooling Reasoning	88	84	83	83	79	79	79	72	71	67	79%
Small codex (7 entries), short passage (165 words) Tooling Reasoning	93	92	88	84	84	83	80	79	75	71	83%
matrix											70.85%
tiers
5 codex entries Tooling Reasoning	100	76	67	67	54	54	50	50	49	44	61%
10 codex entries Tooling Reasoning	79	72	72	72	72	72	66	64	40	33	64%
20 codex entries Tooling Reasoning	85	77	73	69	69	63	62	56	44	0	60%
40 codex entries Tooling Reasoning	62	55	55	47	42	42	42	38	38	36	46%
tiers											57.84%
64.35%

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	0	90%
Fruits excluding citrus Utility	100	100	100	100	100	100	100	0	0	0	70%
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	100	100	100	100%
What instrument does Lucy play? Reasoning	100	100	100	100	100	100	0	0	0	0	60%
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	100	0	0	0	0	0	0	0	0	0	10%
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	0	90%
80.83%

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	67	50	49	43	0	0	0	0	0	0	21%
Write 200 words with 50% dialogue Rule Following Utility	49	38	14	7	5	2	2	0	0	0	12%
Write 200 words with 90% dialogue Rule Following Utility	99	77	52	49	48	47	38	18	8	2	44%
dialogue-200											25.42%
dialogue-500
Write 500 words with 30% dialogue Rule Following Utility	46	0	0	0	0	0	0	0	0	0	5%
Write 500 words with 50% dialogue Rule Following Utility	50	50	49	46	38	0	0	0	0	0	23%
Write 500 words with 70% dialogue Rule Following Utility	50	48	42	39	22	6	1	1	0	0	21%
dialogue-500											16.25%
Ungrouped
Write unattributed dialogue Rule Following	100	100	100	100	100	100	100	100	61	0	86%
30.15%

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	0	80%
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%
95.00%

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	69	0	74%
Character dialogue (German) in a story Language	100	86	0	0	0	37%
Character dialogue (Hindi) in a story Language	100	93	0	0	0	39%
Character dialogue (Italian) in a story Language	100	94	63	50	0	61%
Character dialogue (Spanish) in a story Language	100	95	0	0	0	39%
49.98%

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	98	94	94	93	93	89	85	79	78	64	87%
Write sentences with 10 words each Utility	92	90	85	81	80	74	63	36	34	25	66%
Write sentences with 20 words each Utility	13	10	6	2	0	0	0	0	0	0	3%
51.96%

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	0	0	0	0	0	0	0	30%
outline-count											76.67%
pov-count
Count point of views for Jack and Olivia Utility	100	50	50	50	0	0	0	0	0	0	25%
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	0	0	0	0	0	0	40%
pov-count											45.00%
60.83%

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	89	89	89	95%
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	98	98	98	98	98	98	98%
Expand all contractions Text Editing	100	100	100	99	93	93	91	97%
Location rename: market square, outer ring, bridge, northern mines Text Editing	100	100	100	96	96	96	96	98%
Multi-character gender swap: Priya(F)->Rohan(M), Mara unchanged Text Editing	100	97	91	80	80	78	74	86%
Passive voice → active voice Text Editing Hallucination	82	82	77	77	76	75	72	77%
POV shift: 3rd person to 1st person (Elena's perspective) Text Editing	100	100	100	100	100	97	95	99%
Tense rewriting: past to present Text Editing	99	99	99	99	99	99	93	98%
Generic Prompt								94.20%
Specific Prompt
Avoid said/asked/replied/answered Text Editing	100	100	100	100	94	89	89	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	99	99	99%
Expand all contractions Text Editing	100	100	100	100	99	96	59	93%
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	95	93	91	85	84	80	76	86%
POV shift: 3rd person to 1st person (Elena's perspective) Text Editing	100	100	100	100	100	100	97	100%
Tense rewriting: past to present Text Editing	100	100	100	100	100	99	99	100%
Specific Prompt								97.11%
95.66%

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	100	0	0	0	0	0	0	0	0	0	10%
Simple Rule Following	100	0	0	0	0	0	0	0	0	0	10%
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	0	90%
Unattributed dialogue Rule Following	100	100	0	0	0	0	0	0	0	0	20%
44.00%

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	0	0	80%
paragraphs											93.33%
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	100	100%
20 sentence summary Utility	100	100	100	100	100	100	77	77	77	54	89%
50 sentence summary Utility	100	100	100	77	2	0	0	0	0	0	38%
sentences											85.28%
words
10 word summary Utility	100	100	100	100	98	98	98	98	98	92	98%
20 word summary Utility	98	92	77	54	54	54	9	2	2	0	44%
50 word summary Utility	100	54	27	27	0	0	0	0	0	0	21%
100 word summary Utility	100	77	27	2	0	0	0	0	0	0	21%
200 word summary Utility	0	0	0	0	0	0	0	0	0	0	0%
words											36.79%
68.49%