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GPT-6 Astra in OpenCode 1.18.32

skills off

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GPT-6 Astra's SVG for whale_clouds

OKWhale cloudsxhigh effortNeutral harness

Wall time 7m 08sCost $1.02 reported

Review

No verdict yet.

The full review

OK. Finished on its own after 7.1 min.

Scores

AI judge

Not scored

No rubric for this prompt

Visitor votes and reviewer grades are not available yet.

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. No AI-judge score exists for this result: there is no rubric for this prompt, so no score is shown and none is made up.
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

as run, 246 characters. Every result for this prompt

Create code for an SVG of a whale flying through the clouds. Save it as whale.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

Wall time 7m 08sFirst artifact at 4m 25s

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 machine-format transcript is published as a scrubbed download.

Show all 13 steps

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Download the full transcript OpenCode session export, 14 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 $1.02, as reported by OpenCode (its own bill for the run). The list-price estimate from the token counts is $0.97.

Tokens by typeTokens$ per 1MCost
Input (uncached)21$10.00$0.0002
Cache write21,615$10.00$0.2162
Cache read82,386$1.00$0.0824
Output13,436$50.00$0.6718
of which reasoning3,606billed as output
Total computed from tokens
$0.9705
Total reported by the harness
$1.0246
Difference
Harness-reported $1.0246 vs list-price estimate $0.9705 (-5.3%); the harness figure is the headline.

OpenCode 1.18.32 reported its own total; token counts x list prices shown beside it. Cache writes priced at the input rate (the price table has no separate cache-write price). The harness reports reasoning tokens separately from output; here output includes them (9,830 visible + 3,606 reasoning), and both bill at the output rate.

Prices: Project price table (vendor list prices), 2026-09-22.

Run notes

one prompt, agentic harness (self-review allowed)prompt rewritten after the 2026-09-24 box loss

  • frozen prompt (rewritten): engine/prompts_rewritten/whale_clouds.txt: written by us from the recorded description (zero results)
  • plain OpenCode config copy (providers only; no ECC instructions/agents)
  • opencode export written to a file (not piped)
  • Mode: interactive TUI in tmux (160x48), inside bubblewrap sandbox
  • Isolation audit: none