Z.AI GLM 4.7 Flash

z-ai/glm-4.7-flash

Z.AI GLM 4.7 Flash

via OpenRouter

Release Date

Jan 19th, 2026

Context Size

200k

Reasoning

Yes

Benchmark Cost

$1.62

Speed

64.6 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	82	76	73	69	69	74%
Horror: alone in an eerie place at night Creative Writing Hallucination	82	82	77	75	72	78%
Literary fiction: old friends reunite Creative Writing Hallucination	84	81	80	79	75	80%
Mystery: examining a crime scene Creative Writing Hallucination	81	80	78	77	76	78%
Romance: separated couple reunites Creative Writing Hallucination	83	83	83	79	75	80%
Thriller: chase through city streets Creative Writing Hallucination	87	84	83	83	80	84%
Detailed Writing Rules						78.89%
genre
Fantasy: entering an ancient ruin Creative Writing Hallucination	73	73	71	71	70	72%
Horror: alone in an eerie place at night Creative Writing Hallucination	76	71	71	69	67	71%
Literary fiction: old friends reunite Creative Writing Hallucination	82	75	75	70	70	74%
Mystery: examining a crime scene Creative Writing Hallucination	84	73	73	72	70	75%
Romance: separated couple reunites Creative Writing Hallucination	73	71	69	67	67	69%
Thriller: chase through city streets Creative Writing Hallucination	80	77	76	71	71	75%
genre						72.63%
Novelcrafter Default Prompt
Fantasy: entering an ancient ruin Creative Writing Hallucination	75	73	70	69	65	71%
Horror: alone in an eerie place at night Creative Writing Hallucination	79	78	78	76	74	77%
Literary fiction: old friends reunite Creative Writing Hallucination	84	82	78	76	72	78%
Mystery: examining a crime scene Creative Writing Hallucination	78	77	75	74	72	75%
Romance: separated couple reunites Creative Writing Hallucination	79	78	73	73	72	75%
Thriller: chase through city streets Creative Writing Hallucination	86	83	83	82	82	83%
Novelcrafter Default Prompt						76.68%
76.07%

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	95	89	87	86	83	88%
Medium: The Hollow (Inferred) Tooling Reasoning	93	93	93	92	88	92%
Medium: Through the Thornveil (Scattered) Tooling Reasoning	93	91	89	86	79	87%
Short: The Rusty Lantern (Explicit) Tooling Reasoning	98	89	89	88	83	89%
89.13%

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	100	25	25	17	77%
Long text (~1594 words), small codex (11 entries) Hallucination	100	100	100	100	100	25	25	25	25	17	62%
Short text (~524 words), big codex (51 entries) Hallucination	100	100	100	100	100	100	100	100	25	25	85%
Short text (~524 words), small codex (11 entries) Hallucination	100	100	100	100	100	100	100	100	100	100	100%
basic entries											80.83%
detailed entries
Long text (~1594 words), big codex (51 detailed entries) Hallucination	100	25	25	25	25	17	17	17	17	13	28%
Long text (~1594 words), small codex (11 detailed entries) Hallucination	100	100	100	100	100	100	100	100	100	25	93%
Short text (~524 words), big codex (51 detailed entries) Hallucination	100	100	100	100	100	100	100	100	100	25	93%
Short text (~524 words), small codex (11 detailed entries) Hallucination	100	100	100	100	100	100	100	25	25	25	78%
detailed entries											72.60%
76.72%

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	83	82	80	78	77	77	74	73	73	69	77%
Large codex (40 entries), short passage (165 words) Tooling Reasoning	93	91	91	89	88	88	88	85	84	78	88%
Small codex (7 entries), long passage (734 words) Tooling Reasoning	90	90	90	90	87	84	84	80	80	76	85%
Small codex (7 entries), short passage (165 words) Tooling Reasoning	100	97	97	93	88	88	88	87	84	80	90%
matrix											84.90%
tiers
5 codex entries Tooling Reasoning	100	100	100	100	100	93	93	83	83	75	93%
10 codex entries Tooling Reasoning	100	94	89	89	89	89	89	89	89	79	90%
20 codex entries Tooling Reasoning	97	91	91	89	88	86	86	86	85	82	88%
40 codex entries Tooling Reasoning	97	97	93	92	92	90	90	84	80	76	89%
tiers											89.86%
87.38%

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	0	90%
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%
90.83%

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	80	55	50	50	50	49	48	45	34	0	46%
Write 200 words with 50% dialogue Rule Following Utility	82	64	53	50	30	28	0	0	0	0	31%
Write 200 words with 90% dialogue Rule Following Utility	95	56	52	50	50	47	18	18	18	18	42%
dialogue-200											39.72%
dialogue-500
Write 500 words with 30% dialogue Rule Following Utility	50	43	26	1	0	0	0	0	0	0	12%
Write 500 words with 50% dialogue Rule Following Utility	5	2	0	0	0	0	0	0	0	0	1%
Write 500 words with 70% dialogue Rule Following Utility	38	0	0	0	0	0	0	0	0	0	4%
dialogue-500											5.50%
Ungrouped
Write unattributed dialogue Rule Following	100	100	100	100	100	100	100	100	100	100	100%
33.67%

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	0	80%
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	94	90	97%
Character dialogue (German) in a story Language	100	100	100	88	62	90%
Character dialogue (Hindi) in a story Language	100	100	57	50	50	71%
Character dialogue (Italian) in a story Language	100	100	95	50	43	78%
Character dialogue (Spanish) in a story Language	100	100	67	64	0	66%
80.35%

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	96	87	80	96%
Write sentences with 10 words each Utility	100	100	100	100	96	96	79	77	74	74	90%
Write sentences with 20 words each Utility	100	100	100	100	100	93	90	74	74	60	89%
91.70%

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	0	90%
Count scenes Utility	100	100	100	100	100	100	100	100	100	0	90%
outline-count											93.33%
pov-count
Count point of views for Jack and Olivia Utility	100	100	100	100	100	50	50	50	50	0	70%
Count point of views for Jack Harper Utility	100	100	100	100	100	100	100	100	0	0	80%
Count point of views for Olivia Utility	100	100	100	100	100	100	100	100	100	100	100%
pov-count											83.33%
88.33%

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	86	98%
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	98	96	95	95	94	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	96	96	99%
Multi-character gender swap: Priya(F)->Rohan(M), Mara unchanged Text Editing	100	99	92	74	74	72	72	83%
Passive voice → active voice Text Editing Hallucination	90	89	87	84	79	78	68	82%
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	95	95	92	91	91	85	84	90%
Generic Prompt								94.29%
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	97	97	95	93	87	32	24	75%
Expand all contractions Text Editing	100	100	99	99	99	99	99	99%
Location rename: market square, outer ring, bridge, northern mines Text Editing	100	100	100	100	100	100	74	96%
Multi-character gender swap: Priya(F)->Rohan(M), Mara unchanged Text Editing	98	97	97	95	95	95	92	95%
Passive voice → active voice Text Editing Hallucination	96	95	94	92	90	63	48	83%
POV shift: 3rd person to 1st person (Elena's perspective) Text Editing	100	100	100	100	100	100	73	96%
Tense rewriting: past to present Text Editing	99	96	95	92	92	90	19	83%
Specific Prompt								92.05%
93.17%

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	0	90%
90.00%

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	0	0	0	0	0	0	0	30%
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	0	0	0	0	60%
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	0	90%
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	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											100.00%
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	92	92	98%
200 word summary Utility	100	100	100	100	100	100	100	100	54	0	85%
words											96.75%
98.75%