Stealth: Healer Alpha

openrouter/healer-alpha

Stealth: Healer Alpha

via OpenRouter

Release Date

Mar 11th, 2026

Context Size

262k

Reasoning

Benchmark Cost

$0.0000

Speed

130.2 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	77	76	76	72	65	73%
Horror: alone in an eerie place at night Creative Writing Hallucination	89	81	79	73	71	78%
Literary fiction: old friends reunite Creative Writing Hallucination	84	81	80	77	77	80%
Mystery: examining a crime scene Creative Writing Hallucination	88	83	82	79	78	82%
Romance: separated couple reunites Creative Writing Hallucination	92	80	80	77	77	81%
Thriller: chase through city streets Creative Writing Hallucination	84	81	79	79	76	80%
Detailed Writing Rules						79.14%
genre
Fantasy: entering an ancient ruin Creative Writing Hallucination	70	68	65	62	60	65%
Horror: alone in an eerie place at night Creative Writing Hallucination	81	79	77	76	75	78%
Literary fiction: old friends reunite Creative Writing Hallucination	81	79	77	73	72	76%
Mystery: examining a crime scene Creative Writing Hallucination	85	84	78	77	72	79%
Romance: separated couple reunites Creative Writing Hallucination	79	78	76	68	68	74%
Thriller: chase through city streets Creative Writing Hallucination	80	77	73	72	64	74%
genre						74.24%
Novelcrafter Default Prompt
Fantasy: entering an ancient ruin Creative Writing Hallucination	84	72	71	70	68	73%
Horror: alone in an eerie place at night Creative Writing Hallucination	86	81	81	75	74	80%
Literary fiction: old friends reunite Creative Writing Hallucination	83	81	81	81	79	81%
Mystery: examining a crime scene Creative Writing Hallucination	89	88	88	83	77	85%
Romance: separated couple reunites Creative Writing Hallucination	82	82	82	78	75	80%
Thriller: chase through city streets Creative Writing Hallucination	87	81	80	69	68	77%
Novelcrafter Default Prompt						79.25%
77.55%

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	97	97	94	94	94	95%
Medium: The Hollow (Inferred) Tooling Reasoning	98	95	94	94	91	95%
Medium: Through the Thornveil (Scattered) Tooling Reasoning	98	98	97	96	93	96%
Short: The Rusty Lantern (Explicit) Tooling Reasoning	96	96	96	92	91	94%
95.06%

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	100	100	100	100%
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	100	100	25	25	25	25	70%
Short text (~524 words), small codex (11 entries) Hallucination	100	100	100	100	25	25	25	25	25	25	55%
basic entries											81.25%
detailed entries
Long text (~1594 words), big codex (51 detailed entries) Hallucination	100	100	100	100	100	100	100	100	100	100	100%
Long text (~1594 words), small codex (11 detailed entries) Hallucination	100	100	100	100	100	100	100	100	100	100	100%
Short text (~524 words), big codex (51 detailed entries) Hallucination	100	100	100	100	100	25	25	25	25	25	63%
Short text (~524 words), small codex (11 detailed entries) Hallucination	100	100	100	100	100	100	100	100	25	25	85%
detailed entries											86.88%
84.06%

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	97	97	94	92	91	90	86	83	81	91%
Large codex (40 entries), short passage (165 words) Tooling Reasoning	100	96	96	96	96	95	95	94	93	92	95%
Small codex (7 entries), long passage (734 words) Tooling Reasoning	97	97	97	97	92	92	88	84	84	76	90%
Small codex (7 entries), short passage (165 words) Tooling Reasoning	100	100	100	100	100	100	100	100	100	100	100%
matrix											94.09%
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	86	86	97%
20 codex entries Tooling Reasoning	97	97	97	97	94	91	89	88	86	85	92%
40 codex entries Tooling Reasoning	100	100	100	100	100	100	100	97	93	93	98%
tiers											96.91%
95.50%

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	50	50	50	50	50	50	50	50	50	55%
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%
87.08%

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	47	41	31	26	26	14	1	0	0	23%
Write 200 words with 50% dialogue Rule Following Utility	52	50	50	49	44	38	31	2	2	2	32%
Write 200 words with 90% dialogue Rule Following Utility	93	64	62	48	43	43	18	16	3	0	39%
dialogue-200											31.36%
dialogue-500
Write 500 words with 30% dialogue Rule Following Utility	8	1	0	0	0	0	0	0	0	0	1%
Write 500 words with 50% dialogue Rule Following Utility	49	47	0	0	0	0	0	0	0	0	10%
Write 500 words with 70% dialogue Rule Following Utility	71	50	49	46	39	20	10	5	0	0	29%
dialogue-500											13.20%
Ungrouped
Write unattributed dialogue Rule Following	100	100	100	100	100	100	61	61	14	14	75%
29.79%

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	0	0	60%
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%
90.00%

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	96	91	77	93%
Character dialogue (German) in a story Language	100	100	100	85	73	92%
Character dialogue (Hindi) in a story Language	100	90	72	57	57	75%
Character dialogue (Italian) in a story Language	100	100	100	81	0	76%
Character dialogue (Spanish) in a story Language	100	100	100	100	93	99%
86.90%

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	78	7	1	79%
Write sentences with 10 words each Utility	100	100	100	100	100	95	79	71	39	30	81%
Write sentences with 20 words each Utility	100	100	100	100	100	100	92	37	34	20	78%
79.39%

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	0	0	0	0	0	0	40%
outline-count											80.00%
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	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%
71.67%

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	89	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	99	99	98	96	93	97%
Expand all contractions Text Editing	100	100	100	100	100	99	91	99%
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	99	99	99	99	99	99	99%
Passive voice → active voice Text Editing Hallucination	96	94	91	89	87	87	86	90%
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	89	88	96%
Generic Prompt								97.77%
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	99	99	97	95	99%
Expand all contractions Text Editing	100	100	100	100	99	99	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	99	100%
Passive voice → active voice Text Editing Hallucination	99	98	98	98	98	96	95	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	99	96	99%
Specific Prompt								99.45%
98.61%

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	0	0	0	0	60%
Simple Rule Following	100	100	100	100	100	0	0	0	0	0	50%
Simple (1-shot) 1-shot Rule Following	100	100	100	100	100	100	100	100	100	100	100%
Simple (5-shot) Few-shot Rule Following	100	100	100	100	100	100	100	100	0	0	80%
Unattributed dialogue Rule Following	100	100	100	100	100	100	100	100	100	0	90%
76.00%

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	100	98	92	54	94%
50 sentence summary Utility	100	100	100	100	100	77	2	0	0	0	58%
sentences											90.46%
words
10 word summary Utility	100	100	100	100	100	100	100	100	100	98	100%
20 word summary Utility	100	100	100	100	100	100	100	100	100	92	99%
50 word summary Utility	100	100	100	100	100	100	100	100	98	77	98%
100 word summary Utility	100	100	100	100	100	77	2	0	0	0	58%
200 word summary Utility	100	100	100	77	0	0	0	0	0	0	38%
words											78.44%
86.50%