GPT-4o, May 13th (temp=1)

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

GPT-4o, May 13th (temp=1)

via OpenRouter

Release Date

May 13th, 2024

Context Size

128k

Reasoning

Benchmark Cost

$19.93

Speed

176.7 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	78	77	73	73	72	75%
Horror: alone in an eerie place at night Creative Writing Hallucination	78	78	78	76	73	77%
Literary fiction: old friends reunite Creative Writing Hallucination	82	81	77	76	75	78%
Mystery: examining a crime scene Creative Writing Hallucination	85	79	78	78	76	79%
Romance: separated couple reunites Creative Writing Hallucination	80	80	78	77	76	78%
Thriller: chase through city streets Creative Writing Hallucination	83	82	79	76	69	78%
Detailed Writing Rules						77.49%
genre
Fantasy: entering an ancient ruin Creative Writing Hallucination	77	76	73	71	65	72%
Horror: alone in an eerie place at night Creative Writing Hallucination	82	80	76	75	72	77%
Literary fiction: old friends reunite Creative Writing Hallucination	81	79	76	71	65	74%
Mystery: examining a crime scene Creative Writing Hallucination	82	76	75	72	71	75%
Romance: separated couple reunites Creative Writing Hallucination	81	81	75	71	70	76%
Thriller: chase through city streets Creative Writing Hallucination	79	76	75	74	73	75%
genre						75.07%
Novelcrafter Default Prompt
Fantasy: entering an ancient ruin Creative Writing Hallucination	78	75	73	71	70	73%
Horror: alone in an eerie place at night Creative Writing Hallucination	81	80	79	77	74	78%
Literary fiction: old friends reunite Creative Writing Hallucination	82	80	74	73	67	75%
Mystery: examining a crime scene Creative Writing Hallucination	79	79	77	76	72	77%
Romance: separated couple reunites Creative Writing Hallucination	82	80	80	79	70	78%
Thriller: chase through city streets Creative Writing Hallucination	81	78	77	72	70	76%
Novelcrafter Default Prompt						76.17%
76.24%

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	93	93	92	91	86	91%
Medium: The Hollow (Inferred) Tooling Reasoning	95	95	93	93	92	94%
Medium: Through the Thornveil (Scattered) Tooling Reasoning	95	94	93	91	90	92%
Short: The Rusty Lantern (Explicit) Tooling Reasoning	94	91	90	89	87	90%
91.84%

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	35	33	31	13	13	10	7	6	4	3	15%
Long text (~1594 words), small codex (11 entries) Hallucination	42	32	32	29	25	10	8	8	7	6	20%
Short text (~524 words), big codex (51 entries) Hallucination	31	17	17	17	13	13	10	10	10	10	15%
Short text (~524 words), small codex (11 entries) Hallucination	42	35	31	17	17	17	17	13	13	8	21%
basic entries											17.67%
detailed entries
Long text (~1594 words), big codex (51 detailed entries) Hallucination	50	42	38	33	31	25	17	10	8	7	26%
Long text (~1594 words), small codex (11 detailed entries) Hallucination	38	33	33	33	25	13	8	8	8	7	21%
Short text (~524 words), big codex (51 detailed entries) Hallucination	42	38	35	17	17	17	17	17	17	4	22%
Short text (~524 words), small codex (11 detailed entries) Hallucination	42	35	33	29	25	17	17	13	10	4	22%
detailed entries											22.75%
20.21%

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	79	77	72	69	69	69	66	65	59	52	68%
Large codex (40 entries), short passage (165 words) Tooling Reasoning	91	89	88	79	79	79	78	74	70	66	79%
Small codex (7 entries), long passage (734 words) Tooling Reasoning	90	87	87	87	87	84	83	80	75	70	83%
Small codex (7 entries), short passage (165 words) Tooling Reasoning	100	100	100	97	92	92	92	92	84	84	93%
matrix											80.83%
tiers
5 codex entries Tooling Reasoning	91	91	83	83	76	76	76	76	76	76	80%
10 codex entries Tooling Reasoning	100	94	94	94	94	89	89	56	56	56	82%
20 codex entries Tooling Reasoning	91	86	85	82	82	82	79	75	73	73	81%
40 codex entries Tooling Reasoning	90	90	88	87	84	80	80	80	76	75	83%
tiers											81.58%
81.21%

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	50	50	48	47	43	34	3	0	0	32%
Write 200 words with 50% dialogue Rule Following Utility	88	50	50	50	50	49	47	44	0	0	43%
Write 200 words with 90% dialogue Rule Following Utility	68	68	68	66	56	52	52	26	23	18	50%
dialogue-200											41.71%
dialogue-500
Write 500 words with 30% dialogue Rule Following Utility	47	31	13	6	4	0	0	0	0	0	10%
Write 500 words with 50% dialogue Rule Following Utility	47	44	18	8	0	0	0	0	0	0	12%
Write 500 words with 70% dialogue Rule Following Utility	55	45	41	26	0	0	0	0	0	0	17%
dialogue-500											12.81%
Ungrouped
Write unattributed dialogue Rule Following	100	100	100	100	100	100	100	100	100	100	100%
37.65%

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	0	80%
Friend got new kittens (German) Language	100	100	100	100	100	100%
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	100	92	98%
Character dialogue (German) in a story Language	100	100	100	93	91	97%
Character dialogue (Hindi) in a story Language	100	100	100	88	0	78%
Character dialogue (Italian) in a story Language	100	100	100	100	0	80%
Character dialogue (Spanish) in a story Language	100	100	100	94	93	97%
90.04%

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	98	97	96	96	99%
Write sentences with 10 words each Utility	95	92	92	91	90	87	83	80	80	72	86%
Write sentences with 20 words each Utility	92	87	75	67	64	54	48	39	30	11	57%
80.51%

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	0	0	0	0	0	0	0	0	20%
outline-count											73.33%
pov-count
Count point of views for Jack and Olivia Utility	100	100	100	100	100	50	50	50	0	0	65%
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	0	0	0	0	0	0	0	0	0	10%
pov-count											51.67%
62.50%

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	98	98	98	98	98%
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	93	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	91	89	89	86	79	77	76	84%
POV shift: 3rd person to 1st person (Elena's perspective) Text Editing	100	100	100	100	100	99	96	99%
Tense rewriting: past to present Text Editing	100	99	97	97	97	96	96	97%
Generic Prompt								97.54%
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	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	95	94	92	90	90	89	89	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	100	100	100	100	100	100	100	100%
Specific Prompt								98.99%
98.27%

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	100	0	90%
Simple Rule Following	100	100	100	100	100	100	100	100	100	0	90%
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	0	0	0	70%
Unattributed dialogue Rule Following	100	100	100	100	100	100	100	100	100	100	100%
90.00%

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	98	100%
20 sentence summary Utility	100	100	100	98	92	77	54	54	27	2	70%
50 sentence summary Utility	0	0	0	0	0	0	0	0	0	0	0%
sentences											74.04%
words
10 word summary Utility	100	100	100	100	100	100	100	100	98	98	100%
20 word summary Utility	100	100	100	100	100	100	100	100	100	98	100%
50 word summary Utility	100	100	100	100	100	100	98	92	92	92	97%
100 word summary Utility	100	100	100	100	98	98	77	77	54	54	86%
200 word summary Utility	100	100	77	9	2	0	0	0	0	0	29%
words											82.31%
83.21%