Claude Opus 5.5 in Claude Code 2.1.280
skills off
Zoom, inline player and more ways to view
Showing a WebP render of the 439 KB SVG so the page loads fast; zooming loads the SVG itself.
Wall time 49m 48sCost $12.82 reported10.0/10 · Draft score — stored total; criterion breakdown unavailable
Review
Showcase autumn river town "Maplebrook": 14 building designs in <defs>, shown as a labelled sprite sheet and reused 33 times via <use>, on a true isometric slab with correct back-to-front ordering.
The full review
Showcase autumn river town "Maplebrook": 14 building designs in <defs>, shown as a labelled sprite sheet and reused 33 times via <use>, on a true isometric slab with correct back-to-front ordering. It has a cobbled market square with a fountain, lanes, a river with an arched stone bridge and a waterfall off the edge, a watermill, farm fields, and a consistent warm autumn palette. No visible glitches.
Verdict by the AI judge (provisional).
OK. Finished on its own after 49.8 min and produced town.svg.
Attempt 1 of 2
Every try of this model in this harness on this prompt, oldest first. A later attempt is the cell's result: attempt 2.
- Attempt 1 OK this run49m 48s$12.822026-09-24
- Attempt 2 OK the cell's result1h 02m$11.822026-09-29
Scores
AI judge
10.0/10
Draft score — stored total; criterion breakdown unavailable
Visitor votes and reviewer grades are not available yet.
Draft score — stored total; criterion breakdown unavailable. the per-criterion marks could not be read, so the stored score is shown; the displayed total has not been verified through a criterion breakdown.
- AI judge
- AI judge: the test runner (model claude-opus-5-5), scoring by visual review of the 1600 px render against the pre-registered rubric. A draft score until the reviewer checks it. Rubric: Wave-1 SVG scoring rubric (AI Model Reviewer).
- Visitors
- Public voting with a blind reveal is coming: you score the output first, then see the other scores.
- Reviewer
- The reviewer's own grade appears here once it is added.
Scores compare results for the same prompt only. AI-judge boards rank runs within one prompt, equal totals sharing a rank; scores from different prompts are never averaged.
Downloads
Files actually published for this run. Original output, site-made previews and post-run conversions are labelled separately.
The exact prompt
agentic harness (save the file; self-render allowed), 401 characters. Every result for this prompt
Create an isometric SVG town: first design a small sprite sheet of distinct buildings (in <defs>), then place 20+ of them on an isometric grid with roads, trees, a river and a bridge. Pick your own theme and palette. Save it as town.svg in the current directory. You may render and inspect your own output (headless chromium is available at /usr/bin/chromium) and iterate on your own before finishing.
How it was made
Step by step
The prompt, every agent turn and tool call (tool name and a one-line summary; inputs and outputs are not shown), then the final message. The full transcript is 33.2 MB; it is published as a scrubbed, compressed download rather than shown on the page.
Show all 138 steps
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Download the full transcript Claude Code session JSONL, 257 KB, gzip. Scrubbed: anything that looks like a key, token, e-mail address or phone number is replaced, and account details and the test machine's file paths are removed.
Cost breakdown
Headline cost $12.82, as reported by Claude Code (its own bill for the run). The list-price estimate from the token counts is $12.81.
| Tokens by type | Tokens | $ per 1M | Cost |
|---|---|---|---|
| Input (uncached) | 180 | $4.00 | $0.0007 |
| Cache write | 393,685 | $5.00 | $1.9684 |
| Cache read | 25,032,220 | $0.20 | $5.0064 |
| Output | 291,955 | $20.00 | $5.8391 |
| of which reasoning | not recorded | billed as output |
- Total computed from tokens
- $12.81
- Total reported by the harness
- $12.82
- Difference
- computed $12.81 vs reported $12.82 (diff -0.01)
Tokens summed from the Claude Code session JSONL (per message id, incl. subagent files); harness total from /cost.
Prices: Project price table (vendor list prices); cache write 1.25x input, 2026-09-22.
Run notes
- Mode: interactive TUI in tmux (160x48), inside bubblewrap sandbox
- Isolation: bwrap: private /tmp, HOME and TMPDIR inside run dir, own CLAUDE_CONFIG_DIR/CODEX_HOME copy; the project files, other runs, /tmp/hx_* not mounted