Z.AI GLM 4.7 - NC Bench

z-ai/glm-4.7

Z.AI GLM 4.7

via OpenRouter

Release Date

Dec 22nd, 2025

Context Size

200k

Reasoning

Yes

Benchmark Cost

$8.91

Speed

59.8 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	84	82	79	77	63	77%
Horror: alone in an eerie place at night Creative Writing Hallucination	88	82	79	76	75	80%
Literary fiction: old friends reunite Creative Writing Hallucination	81	81	80	80	78	80%
Mystery: examining a crime scene Creative Writing Hallucination	82	82	81	80	76	80%
Romance: separated couple reunites Creative Writing Hallucination	83	81	80	79	78	80%
Thriller: chase through city streets Creative Writing Hallucination	85	83	82	78	78	81%
Detailed Writing Rules						79.77%
genre
Fantasy: entering an ancient ruin Creative Writing Hallucination	74	72	68	65	63	68%
Horror: alone in an eerie place at night Creative Writing Hallucination	78	78	73	72	72	75%
Literary fiction: old friends reunite Creative Writing Hallucination	81	78	75	75	72	76%
Mystery: examining a crime scene Creative Writing Hallucination	80	77	74	73	72	75%
Romance: separated couple reunites Creative Writing Hallucination	78	74	73	73	72	74%
Thriller: chase through city streets Creative Writing Hallucination	77	73	71	71	70	72%
genre						73.52%
Novelcrafter Default Prompt
Fantasy: entering an ancient ruin Creative Writing Hallucination	83	79	77	76	76	78%
Horror: alone in an eerie place at night Creative Writing Hallucination	83	76	76	76	72	77%
Literary fiction: old friends reunite Creative Writing Hallucination	83	81	79	77	74	79%
Mystery: examining a crime scene Creative Writing Hallucination	81	79	78	78	74	78%
Romance: separated couple reunites Creative Writing Hallucination	83	81	80	77	75	79%
Thriller: chase through city streets Creative Writing Hallucination	87	86	85	81	80	84%
Novelcrafter Default Prompt						79.07%
77.45%

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	98	98	96	95	93	96%
Medium: The Hollow (Inferred) Tooling Reasoning	99	97	97	97	96	97%
Medium: Through the Thornveil (Scattered) Tooling Reasoning	99	97	97	96	96	97%
Short: The Rusty Lantern (Explicit) Tooling Reasoning	100	99	99	98	91	97%
96.85%

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	25	25	25	25	17	17	17	17	17	28%
Long text (~1594 words), small codex (11 entries) Hallucination	100	100	100	100	100	100	100	100	100	100	100%
Short text (~524 words), big codex (51 entries) Hallucination	100	100	100	100	25	25	25	25	25	25	55%
Short text (~524 words), small codex (11 entries) Hallucination	100	100	100	25	25	25	25	25	25	25	48%
basic entries											57.71%
detailed entries
Long text (~1594 words), big codex (51 detailed entries) Hallucination	100	100	100	100	100	100	25	25	25	13	69%
Long text (~1594 words), small codex (11 detailed entries) Hallucination	100	100	100	100	100	25	25	25	25	25	63%
Short text (~524 words), big codex (51 detailed entries) Hallucination	100	100	100	100	100	100	100	25	25	17	77%
Short text (~524 words), small codex (11 detailed entries) Hallucination	100	100	100	100	100	100	100	100	25	25	85%
detailed entries											73.23%
65.47%

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	98	96	96	93	93	93	93	92	90	88	93%
Large codex (40 entries), short passage (165 words) Tooling Reasoning	100	96	96	96	95	95	94	93	91	87	94%
Small codex (7 entries), long passage (734 words) Tooling Reasoning	100	97	93	93	92	88	88	88	83	83	91%
Small codex (7 entries), short passage (165 words) Tooling Reasoning	100	100	100	100	100	100	100	100	100	97	100%
matrix											94.42%
tiers
5 codex entries Tooling Reasoning	100	100	100	100	100	100	100	100	100	100	100%
10 codex entries Tooling Reasoning	100	100	100	100	100	100	100	100	100	100	100%
20 codex entries Tooling Reasoning	96	96	92	92	92	92	88	88	88	88	91%
40 codex entries Tooling Reasoning	100	100	100	100	100	100	100	97	92	88	98%
tiers											97.27%
95.84%

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	100	100	100	100	100	100	100	100	100%
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	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%
91.67%

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	100	100	100	100	98	87	84	76	55	50	85%
Write 200 words with 50% dialogue Rule Following Utility	100	100	100	100	98	95	54	50	48	14	76%
Write 200 words with 90% dialogue Rule Following Utility	96	84	78	68	66	59	50	40	18	18	58%
dialogue-200											72.89%
dialogue-500
Write 500 words with 30% dialogue Rule Following Utility	60	50	45	29	25	22	19	1	0	0	25%
Write 500 words with 50% dialogue Rule Following Utility	65	52	43	16	4	0	0	0	0	0	18%
Write 500 words with 70% dialogue Rule Following Utility	18	5	5	0	0	0	0	0	0	0	3%
dialogue-500											15.24%
Ungrouped
Write unattributed dialogue Rule Following	100	100	100	100	100	100	100	100	100	100	100%
52.05%

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	0	0	0	40%
Friend got new kittens (Tagalog) Language	100	100	100	100	0	80%
80.00%

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	100	100%
Character dialogue (German) in a story Language	100	100	100	100	100	100%
Character dialogue (Hindi) in a story Language	58	55	54	54	53	55%
Character dialogue (Italian) in a story Language	100	100	100	100	100	100%
Character dialogue (Spanish) in a story Language	100	100	100	100	100	100%
90.93%

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	99	100%
Write sentences with 10 words each Utility	100	100	100	100	100	100	100	90	74	39	90%
Write sentences with 20 words each Utility	100	100	100	100	100	100	100	100	100	51	95%
95.09%

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	100	0	90%
outline-count											96.67%
pov-count
Count point of views for Jack and Olivia Utility	100	100	100	100	100	100	100	100	50	50	90%
Count point of views for Jack Harper Utility	100	100	100	100	100	100	100	100	100	0	90%
Count point of views for Olivia Utility	100	100	100	100	100	100	100	100	100	100	100%
pov-count											93.33%
95.00%

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	99	99	99	99	99	97	96	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	96	99%
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	97	97	96	96	95	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	99	97	97	89	97%
Generic Prompt								99.02%
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	100	100	100	100	99	99	99	100%
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	100	100	100	100%
Passive voice → active voice Text Editing Hallucination	99	99	99	98	98	98	94	98%
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								99.73%
99.38%

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	0	0	0	0	0	0	40%
Simple Rule Following	100	100	0	0	0	0	0	0	0	0	20%
Simple (1-shot) 1-shot Rule Following	100	100	100	100	100	0	0	0	0	0	50%
Simple (5-shot) Few-shot Rule Following	100	100	100	100	100	100	100	100	100	0	90%
Unattributed dialogue Rule Following	100	100	100	100	100	100	100	100	100	100	100%
60.00%

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	100	100%
20 sentence summary Utility	100	100	100	100	100	100	100	100	100	100	100%
50 sentence summary Utility	100	100	100	100	100	100	100	100	100	100	100%
sentences											99.99%
words
10 word summary Utility	100	100	100	100	100	100	100	100	100	100	100%
20 word summary Utility	100	100	100	100	100	100	100	100	100	100	100%
50 word summary Utility	100	100	100	100	100	100	100	100	100	100	100%
100 word summary Utility	100	100	100	100	100	100	100	100	100	100	100%
200 word summary Utility	100	100	100	100	100	100	100	100	100	100	100%
words											100.00%
100.00%