Gemini 3.5 Flash Lite (Reasoning, Minimal)

google/gemini-3.5-flash-lite

Gemini 3.5 Flash Lite (Reasoning, Minimal)

via OpenRouter

Release Date

Jul 21st, 2026

Context Size

Reasoning

Benchmark Cost

$1.45

Speed

208.3 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	81	80	78	76	73	77%
Horror: alone in an eerie place at night Creative Writing Hallucination	89	86	86	85	81	85%
Literary fiction: old friends reunite Creative Writing Hallucination	85	83	82	80	79	82%
Mystery: examining a crime scene Creative Writing Hallucination	84	83	82	80	77	81%
Romance: separated couple reunites Creative Writing Hallucination	89	88	87	86	84	87%
Thriller: chase through city streets Creative Writing Hallucination	86	85	85	85	80	84%
Detailed Writing Rules						82.81%
genre
Fantasy: entering an ancient ruin Creative Writing Hallucination	86	83	81	76	73	80%
Horror: alone in an eerie place at night Creative Writing Hallucination	86	81	81	79	78	81%
Literary fiction: old friends reunite Creative Writing Hallucination	83	79	72	71	71	75%
Mystery: examining a crime scene Creative Writing Hallucination	90	87	87	85	84	87%
Romance: separated couple reunites Creative Writing Hallucination	81	81	80	73	70	77%
Thriller: chase through city streets Creative Writing Hallucination	89	87	83	82	81	84%
genre						80.66%
Novelcrafter Default Prompt
Fantasy: entering an ancient ruin Creative Writing Hallucination	89	83	82	80	78	83%
Horror: alone in an eerie place at night Creative Writing Hallucination	91	85	83	83	81	84%
Literary fiction: old friends reunite Creative Writing Hallucination	85	85	83	82	80	83%
Mystery: examining a crime scene Creative Writing Hallucination	92	87	83	82	77	84%
Romance: separated couple reunites Creative Writing Hallucination	84	79	79	75	74	78%
Thriller: chase through city streets Creative Writing Hallucination	88	87	84	83	78	84%
Novelcrafter Default Prompt						82.74%
82.07%

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	98	88	87	87	87	89%
Medium: The Hollow (Inferred) Tooling Reasoning	97	97	97	97	97	97%
Medium: Through the Thornveil (Scattered) Tooling Reasoning	97	97	96	95	93	95%
Short: The Rusty Lantern (Explicit) Tooling Reasoning	94	94	93	90	85	91%
93.19%

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	33	28	28	26	10	8	8	6	2	1	15%
Long text (~1594 words), small codex (11 entries) Hallucination	50	50	50	50	42	38	35	30	25	13	38%
Short text (~524 words), big codex (51 entries) Hallucination	50	42	38	35	25	25	17	13	13	13	27%
Short text (~524 words), small codex (11 entries) Hallucination	50	25	25	25	25	25	25	25	25	17	27%
basic entries											26.68%
detailed entries
Long text (~1594 words), big codex (51 detailed entries) Hallucination	17	17	17	17	13	13	13	8	8	4	12%
Long text (~1594 words), small codex (11 detailed entries) Hallucination	50	50	42	42	42	35	35	31	30	13	37%
Short text (~524 words), big codex (51 detailed entries) Hallucination	25	25	25	25	25	25	25	17	17	17	23%
Short text (~524 words), small codex (11 detailed entries) Hallucination	25	25	25	25	25	25	25	25	25	25	25%
detailed entries											24.20%
25.44%

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	87	86	84	84	83	82	82	80	79	75	82%
Large codex (40 entries), short passage (165 words) Tooling Reasoning	96	93	93	93	93	91	91	91	89	87	92%
Small codex (7 entries), long passage (734 words) Tooling Reasoning	100	100	92	92	92	92	92	92	92	92	93%
Small codex (7 entries), short passage (165 words) Tooling Reasoning	100	100	100	100	100	100	100	100	100	97	100%
matrix											91.75%
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	86	86	58	93%
20 codex entries Tooling Reasoning	100	100	100	100	100	100	100	100	100	92	99%
40 codex entries Tooling Reasoning	100	92	92	92	92	92	92	92	92	87	92%
tiers											96.09%
93.92%

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%
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%
100.00%

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	59	36	19	19	19	19	18	18	18	18	24%
Write 200 words with 50% dialogue Rule Following Utility	99	94	63	43	41	22	14	10	0	0	39%
Write 200 words with 90% dialogue Rule Following Utility	50	43	41	37	36	3	0	0	0	0	21%
dialogue-200											27.96%
dialogue-500
Write 500 words with 30% dialogue Rule Following Utility	50	50	45	0	0	0	0	0	0	0	14%
Write 500 words with 50% dialogue Rule Following Utility	50	2	0	0	0	0	0	0	0	0	5%
Write 500 words with 70% dialogue Rule Following Utility	0	0	0	0	0	0	0	0	0	0	0%
dialogue-500											6.55%
Ungrouped
Write unattributed dialogue Rule Following	100	100	100	100	100	100	100	100	100	100	100%
29.08%

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	0	0	0	0	20%
Friend got new kittens (Tagalog) Language	100	100	100	100	100	100%
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	100	100	100	100	63	93%
Character dialogue (Italian) in a story Language	100	100	92	67	60	84%
Character dialogue (Spanish) in a story Language	100	100	100	100	80	96%
94.43%

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	100	100%
Write sentences with 10 words each Utility	100	100	96	96	95	95	94	94	90	83	94%
Write sentences with 20 words each Utility	100	70	61	25	25	14	14	7	1	1	32%
75.25%

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	100	100	100	100	100	100	50	50	0	80%
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	0	0	0	70%
pov-count											80.00%
78.33%

Relationship tree

Extracts a deterministic XML family and relationship tree from cumulative literary prose.

Scenario	#1	#2	#3	#4	#5	Total
Core relationship tree Tooling Reasoning Hallucination	77	75	61	55	55	65%
Family relationship tree Tooling Reasoning Hallucination	79	76	72	72	63	72%
68.48%

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	99	99	99%
Expand all contractions Text Editing	100	100	100	100	100	67	67	90%
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	99	99	99	99	100%
Passive voice → active voice Text Editing Hallucination	95	92	92	91	91	90	88	91%
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	97	97	97	97	97	96	93	96%
Generic Prompt								97.40%
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	100	100	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	97	95	93	91	91	91	91	92%
Passive voice → active voice Text Editing Hallucination	98	98	97	97	97	97	97	97%
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								98.85%
98.12%

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	0	0	0	0	0	0	0	0	0	0	0%
Simple Rule Following	100	100	100	100	100	100	100	100	100	100	100%
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	100	100	100%
Unattributed dialogue Rule Following	100	100	100	100	100	100	100	100	100	100	100%
80.00%

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	98	98	98	98	92	77	96%
50 sentence summary Utility	100	100	98	77	54	0	0	0	0	0	43%
sentences											87.84%
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	98	98	98	99%
100 word summary Utility	98	98	92	92	92	77	54	9	9	9	63%
200 word summary Utility	27	9	0	0	0	0	0	0	0	0	4%
words											73.24%
85.03%