The Standings → Claude Opus 5 (medium)
Anthropic
medium reasoning effort · via Claude CLI · judged by Claude Sonnet 5 · not the setting shown on the standings; also run at xhigh79.2 high75.5
Results from run ‘first’: ten items, ten verdicts.
Claude Opus 5 (medium) scores 75 on craft, 11 points above the field’s 63 and 18 points short of the authors themselves. Its shape differs from the field’s: relatively strong on the author’s voice and sentence-level prose, relatively weak on restraint. On the mechanical checks it kept to the brief’s word range on 9 of 10 items and reproduced a 157-word run of the real book verbatim.
The record: 10 items · 10 verdicts · 0 errors · 2,433 words on average · est. generation cost $1.34
Eight dimensions, each 0–100, averaged over ten items; the author’s real chapter was in the room every time.
Craft by dimension, 0–100 · judged by Sonnet 5 beside the author’s real chapter
The authors themselves average 93 on the five writing dimensions, the field 63, this model 75. Hover or focus a bar for the field and the authors on that dimension.
The judge’s one-sentence best quality and worst flaw for each chapter, written for a general reader.
Best The minute Mary spends alone on the dark moor is genuinely atmospheric, with the wind, the smell of wet earth, and the sheep scattering, so the reader feels how small and lonely she is.
Worst The mysterious noise at night is described as thin, rising and falling, and going on and on, which reads so much like a child crying that it risks breaking the rule against that image even though the word 'crying' is never used.
Best The closing beat lets Mike Jackson mention Eve's name naturally over an invitation to Sunday supper, and the chapter ends on a restrained, purely visual image (Psmith "smiling faintly at nothing at all") rather than spelling out his feelings.
Worst Psmith is shown telling Mike he resigned from the fish business "this morning," but the setup established he was to resign the night before and visit the agency the next day, so the timeline quietly contradicts what's already been established.
Best The concrete, real-world grounding, naming the actual River Bourne, Addlestone, Row Town, makes the invented setting feel like genuine Surrey countryside rather than a generic backdrop.
Worst The narrator sometimes pauses the action to deliver a neat, quotable insight (like the line about no man being skeptical of what he's prayed for) that feels more like a modern essayist stepping in than the plainer original narrator.
Best Cutting Mr Shepherd off mid-sentence right before the word 'tenant' is a well-judged bit of stagecraft that turns a piece of exposition into a real dramatic beat.
Worst Sir Walter's outburst ('I would rather sell my plate, my pictures, my horses... I would rather the house stood empty and the roof fell in') tips into melodrama that is more overwrought than the controlled vanity established in the source chapter.
Best The direct aside to the reader ('allow me one word to yourself, sitting comfortable in your chair') is pitch-perfect Betteredge and builds real dramatic irony about how little the household understands what is coming.
Worst Franklin gets an anonymous letter that explicitly warns him never to put the valuable object in a strong-box, then he immediately hands it to Betteredge to lock in the plate-room (a strong-box) without either character noticing the contradiction.
Best The bank interview and the widow's visit are both played out as real back-and-forth scenes with sharp, withholding dialogue that sounds like genuine interrogation.
Worst The ending sums up the whole check mystery in one tidy paragraph that explains the theme instead of trusting the reader to feel it.
Best The return to the bal musette is a genuinely lived-in, throwaway moment -- Georgette bored, sitting with two strangers from Lille, unimpressed by the whole night -- that feels true to the book's world.
Worst A large stretch of the opening taxi ride is copied nearly word-for-word from the real published chapter (with the kiss swapped for a hand-touch), and the closing narration spells out Jake's feelings far more bluntly than this author would ("I thought that she was the loveliest thing I had ever seen and that I would do anything she asked me, and that she knew it").
Best The scene at the lodge gates, where Alfred's face goes the colour of clay and he drops his walking stick on hearing his wife is dead, is a small, vivid, well-observed piece of writing.
Worst Poirot walks in alongside Alfred and is already standing in the room when Alfred tells his alibi story, so we lose the moment the brief wanted, where Poirot hears about the contradiction the way a detective should: after the fact, from the household.
Best Arthur's letter describing Quincey's dinner is full of concrete, tactile detail (the Mexican saddles, the bearskin, the toast quoted word for word) that makes a scene we never actually see feel real and lived-in.
Worst The closing twist that the innkeeper's letter was a fake comes out of nowhere, with nothing earlier in the chapter hinting at forgery, so it reads as a shock device rather than something the reader could have half-guessed.
Best The solo swim is written with real feeling of secrecy and quiet triumph, and the detail of the folded telegram staying in her pocket all day is a nice touch.
Worst The characters sometimes say the story's meaning out loud instead of letting the reader feel it, especially Robert's speech and the lady in black's little speech about drowning.
Headline, compliance and craft for each chapter, 0–100.
| Item | Headline | Compliance | Craft | Words |
|---|---|---|---|---|
| The Secret Garden item 013 · after ch. 2 · Frances Hodgson Burnett | 78.5 | 100 | 78 | 2,341 |
| Leave It to Psmith item 022 · after ch. 3 · P. G. Wodehouse | 78.1 | 95 | 82 | 2,675 |
| The War of the Worlds item 006 · after ch. 1 · H. G. Wells | 77.7 | 95 | 82 | 2,587 |
| Persuasion item 001 · after ch. 1 · Jane Austen | 73.5 | 100 | 74 | 2,519 |
| The Moonstone item 011 · after ch. 8 · Wilkie Collins | 73.0 | 95 | 77 | 2,900 |
| Red Harvest item 023 · after ch. 2 · Dashiell Hammett | 73.0 | 95 | 77 | 2,481 |
| The Sun Also Rises item 021 · after ch. 3 · Ernest Hemingway | 70.8 | 100 | 71 | 2,315 |
| The Mysterious Affair at Styles item 017 · after ch. 3 · Agatha Christie | 69.6 | 90 | 77 | 2,438 |
| Dracula item 015 · after ch. 5 · Bram Stoker | 61.4 | 90 | 68 | 2,397 |
| The Awakening item 016 · after ch. 7 · Kate Chopin | 59.8 | 100 | 60 | 1,674 |
Words written per item, against each brief’s maximum.
Word count per item vs. brief maximum · run ‘first’
Nine of ten items landed inside their brief’s word range. The Moonstone ran over by 100 words.
Each verdict names the chapter’s single worst flaw, with evidence. Quoted verbatim from run ‘first’.
A large stretch of the opening taxi ride is copied nearly word-for-word from the real published chapter (with the kiss swapped for a hand-touch), and the closing narration spells out Jake's feelings far more bluntly than this author would ("I thought that she was the loveliest thing I had ever seen and that I would do anything she asked me, and that she knew it").
Poirot walks in alongside Alfred and is already standing in the room when Alfred tells his alibi story, so we lose the moment the brief wanted, where Poirot hears about the contradiction the way a detective should: after the fact, from the household.
Sir Walter's outburst ('I would rather sell my plate, my pictures, my horses... I would rather the house stood empty and the roof fell in') tips into melodrama that is more overwrought than the controlled vanity established in the source chapter.
Franklin gets an anonymous letter that explicitly warns him never to put the valuable object in a strong-box, then he immediately hands it to Betteredge to lock in the plate-room (a strong-box) without either character noticing the contradiction.
Automated screening results across the ten outputs.