GPT-4o, May 13th (temp=0)

openai/gpt-4o-2024-05-13

GPT-4o, May 13th (temp=0)

via OpenRouter

Release Date

May 13th, 2024

Context Size

128k

Reasoning

Benchmark Cost

$21.59

Speed

159.1 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	74	73	71	70	67	71%
Horror: alone in an eerie place at night Creative Writing Hallucination	79	74	71	71	70	73%
Literary fiction: old friends reunite Creative Writing Hallucination	81	79	78	76	72	77%
Mystery: examining a crime scene Creative Writing Hallucination	85	79	78	75	73	78%
Romance: separated couple reunites Creative Writing Hallucination	78	78	77	75	73	76%
Thriller: chase through city streets Creative Writing Hallucination	77	77	75	74	72	75%
Detailed Writing Rules						74.99%
genre
Fantasy: entering an ancient ruin Creative Writing Hallucination	79	74	73	73	71	74%
Horror: alone in an eerie place at night Creative Writing Hallucination	71	67	65	63	62	65%
Literary fiction: old friends reunite Creative Writing Hallucination	81	80	80	78	75	79%
Mystery: examining a crime scene Creative Writing Hallucination	82	80	77	76	74	78%
Romance: separated couple reunites Creative Writing Hallucination	83	76	75	72	68	75%
Thriller: chase through city streets Creative Writing Hallucination	79	75	73	73	73	75%
genre						74.17%
Novelcrafter Default Prompt
Fantasy: entering an ancient ruin Creative Writing Hallucination	76	73	71	69	68	72%
Horror: alone in an eerie place at night Creative Writing Hallucination	72	69	69	64	63	68%
Literary fiction: old friends reunite Creative Writing Hallucination	79	79	77	74	71	76%
Mystery: examining a crime scene Creative Writing Hallucination	84	77	77	75	74	77%
Romance: separated couple reunites Creative Writing Hallucination	77	75	75	74	73	75%
Thriller: chase through city streets Creative Writing Hallucination	80	79	78	76	75	78%
Novelcrafter Default Prompt						74.22%
74.46%

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	94	94	94	93	93	93%
Medium: The Hollow (Inferred) Tooling Reasoning	96	96	95	95	94	95%
Medium: Through the Thornveil (Scattered) Tooling Reasoning	95	94	94	94	91	94%
Short: The Rusty Lantern (Explicit) Tooling Reasoning	99	95	94	94	94	95%
94.45%

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	5	5	4	4	3	2	2	2	1	1	3%
Long text (~1594 words), small codex (11 entries) Hallucination	8	8	7	7	6	3	1	1	1	1	4%
Short text (~524 words), big codex (51 entries) Hallucination	26	13	13	10	10	10	2	1	1	1	8%
Short text (~524 words), small codex (11 entries) Hallucination	17	17	17	17	17	13	13	13	13	10	14%
basic entries											7.52%
detailed entries
Long text (~1594 words), big codex (51 detailed entries) Hallucination	5	5	4	3	3	3	3	3	3	2	3%
Long text (~1594 words), small codex (11 detailed entries) Hallucination	8	7	7	7	6	6	6	6	5	5	6%
Short text (~524 words), big codex (51 detailed entries) Hallucination	33	25	25	25	25	25	13	10	10	7	20%
Short text (~524 words), small codex (11 detailed entries) Hallucination	32	17	17	17	17	17	10	8	7	7	15%
detailed entries											11.07%
9.29%

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	78	76	76	74	68	39	38	3	3	3	46%
Large codex (40 entries), short passage (165 words) Tooling Reasoning	93	93	91	91	91	89	89	89	88	84	90%
Small codex (7 entries), long passage (734 words) Tooling Reasoning	90	90	90	84	84	84	84	84	84	75	85%
Small codex (7 entries), short passage (165 words) Tooling Reasoning	100	100	100	100	100	100	100	100	92	92	98%
matrix											79.79%
tiers
5 codex entries Tooling Reasoning	100	100	100	100	91	91	83	76	76	76	89%
10 codex entries Tooling Reasoning	100	100	100	100	100	100	100	94	94	94	98%
20 codex entries Tooling Reasoning	91	89	89	89	86	86	82	82	82	79	85%
40 codex entries Tooling Reasoning	93	93	93	93	93	93	93	93	90	90	93%
tiers											91.42%
85.61%

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	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	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%
87.50%

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	49	49	41	22	10	0	0	0	0	22%
Write 200 words with 50% dialogue Rule Following Utility	100	97	83	82	81	72	64	50	41	1	67%
Write 200 words with 90% dialogue Rule Following Utility	68	68	68	68	68	68	68	68	52	18	62%
dialogue-200											50.26%
dialogue-500
Write 500 words with 30% dialogue Rule Following Utility	45	23	22	16	15	10	8	3	1	0	14%
Write 500 words with 50% dialogue Rule Following Utility	7	0	0	0	0	0	0	0	0	0	1%
Write 500 words with 70% dialogue Rule Following Utility	13	0	0	0	0	0	0	0	0	0	1%
dialogue-500											5.41%
Ungrouped
Write unattributed dialogue Rule Following	100	100	100	100	100	100	100	100	100	100	100%
38.15%

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	100	100%
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%
100.00%

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	92	98%
Character dialogue (Italian) in a story Language	100	100	100	100	100	100%
Character dialogue (Spanish) in a story Language	93	93	92	91	75	89%
97.44%

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	98	98	98	99%
Write sentences with 10 words each Utility	97	97	97	97	92	92	87	87	70	63	88%
Write sentences with 20 words each Utility	100	100	88	85	80	80	73	64	43	18	73%
86.91%

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	0	0	0	0	0	0	0	0	0	0	0%
outline-count											66.67%
pov-count
Count point of views for Jack and Olivia Utility	100	100	100	100	100	100	100	100	100	100	100%
Count point of views for Jack Harper Utility	0	0	0	0	0	0	0	0	0	0	0%
Count point of views for Olivia Utility	100	100	100	100	100	100	100	100	0	0	80%
pov-count											60.00%
63.33%

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	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	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	94	91	90	90	90	89	78	89%
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	97	96	97%
Generic Prompt								98.26%
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	97	96	96	96	94	92	91	95%
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								99.39%
98.82%

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	100	100	0	0	80%
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%
96.00%

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	98	92	92	92	54	54	27	27	27	27	59%
50 sentence summary Utility	0	0	0	0	0	0	0	0	0	0	0%
sentences											71.82%
words
10 word summary Utility	100	100	100	100	100	100	100	98	98	98	99%
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	98	98	98	92	77	77	94%
200 word summary Utility	0	0	0	0	0	0	0	0	0	0	0%
words											78.70%
80.97%