Lava lamp v1 · Codex CLI · run 7802fc2c · 28.10.2026 10:34 Tallinn

GPT-5.6 Terra

High effort

Works

8 of 8 checks passed. All 5 blocker checks passed.

What it built: 3 captures

Desktop capture of Codex CLI (GPT-5.6 Terra)'s output on Lava lamp v1, high effort, 28.10.2026 10:34 (run 7802fc2c)
Desktop · 213.6 KB · 37e1651555c5…
Phone capture of Codex CLI (GPT-5.6 Terra)'s output on Lava lamp v1, high effort, 28.10.2026 10:34 (run 7802fc2c)
Phone · 133.6 KB · 61368466eda8…
Motion capture of Codex CLI (GPT-5.6 Terra)'s output on Lava lamp v1, high effort, 28.10.2026 10:34 (run 7802fc2c)
Motion · 214.8 KB · 64aba8cead9c…

Along the row

GPT-5.6 Terra at every effort.

  1. GPT-5.6 Terra at low effort: desktop capture of run 0512c0d4 Low1m 38s

    Works

    1 run
  2. GPT-5.6 Terra at medium effort: desktop capture of run 69024137 Medium1m 48s

    Works

    1 run
  3. GPT-5.6 Terra at high effort: desktop capture of run 7802fc2c High1m 00s

    Works

    This effort
  4. GPT-5.6 Terra at extra high effort: desktop capture of run 7eac2b69 Extra high3m 50s

    Works

    1 run
  5. GPT-5.6 Terra at max effort: desktop capture of run f8748487 Max4m 04s

    Fails

    1 run

Down the column

Other models at high effort.

Fastest median first · this run: 1m 00s

  1. GPT-5.6 Luna at high effort: desktop capture of run e3bceba4GPT-5.6 Luna1m 04s

    Works

    1.1× slower than this run
  2. GPT-6.1 Terra at high effort: desktop capture of run 647bf11fGPT-6.1 Terra1m 12s

    Works

    1.2× slower than this run
  3. GPT-6 Luna at high effort: desktop capture of run c6616e3dGPT-6 Luna1m 27s

    Works

    1.5× slower than this run
  4. GPT-5.6 Sol at high effort: desktop capture of run 456bc2ffGPT-5.6 Sol2m 34s

    Works

    2.6× slower than this run
  5. GPT-6 Sol at high effort: desktop capture of run 5f2b6af6GPT-6 Sol4m 12s

    Works

    4.2× slower than this run
  6. GPT-6.1 Sol at high effort: desktop capture of run fa862c30GPT-6.1 Sol5m 15s

    Works

    5.2× slower than this run
  7. Claude Haiku 5.5 at high effort: desktop capture of run c23d1490Claude Haiku 5.55m 22s

    Works

    5.4× slower than this run
  8. Claude Sonnet 5.5 at high effort: desktop capture of run 4c8fd1eaClaude Sonnet 5.56m 45s

    Works

    6.7× slower than this run
  9. GPT-6 Astra at high effort: desktop capture of run f24ff81cGPT-6 Astra7m 30s

    Works

    7.5× slower than this run
  10. Claude Opus 5.5 at high effort: desktop capture of run 00eeb954Claude Opus 5.513m 48s

    Works

    13.8× slower than this run
  11. Claude Fable 5.1 at high effort: desktop capture of run 26f3f534Claude Fable 5.114m 06s

    Works

    14.1× slower than this run

Hidden checks

8 of 8 checks passed.

  • Self-contained index.html is presentblocker
  • Visible page contentblocker
  • Visible autonomous animationblocker
  • Accessible on/off controlextra
  • 390 px mobile layout has no horizontal overflowextra
  • Local animation frame performanceextra
  • No browser errorsblocker
  • No attempted external or linked-resource requestsblocker

It works when every blocker passes. How it looks is reviewed blind: pending.

Run detailsagent config, what ran, tokens, source and revisions
  • Video (video): not published, videos are withheld. SHA-256 ab46b6110eeb17109934c326b3e97fff77551020100ec9e528dc3ff9e4c7ee58, 1353.4 KB.
Run ID
7802fc2c-232e-4ab4-bd6e-6ef22e18f7e0
Benchmark
lava-lamp v1
Experiment
Single run
Started
28.10.2026 10:34 Tallinn
Graded
revision 1 · 28.10.2026 10:36

Works and checks, in full

All 5 blocker checks passed.

The rule: a run works when every blocker check passes. If any blocker fails it does not work. If none fails but one has no result yet, it stays pending, never counted as a pass or a fail. Extra checks are reported but do not decide it. Works is not a judgement of looks: that is the visual review.

This is a legacy contract v1 run: the task has no public requirements, and these are the original lava-lamp checks, not a versioned hidden verifier. It is never compared with contract v2 runs.

Contract v1 checks for this run, with blocker and result
RequirementCheckBlockerResult
none (v1)Self-contained index.html is presentBlockerpass
none (v1)Visible page contentBlockerpass
none (v1)Visible autonomous animationBlockerpass
none (v1)Accessible on/off controlExtrapass
none (v1)390 px mobile layout has no horizontal overflowExtrapass
none (v1)Local animation frame performanceExtrapass
none (v1)No browser errorsBlockerpass
none (v1)No attempted external or linked-resource requestsBlockerpass

Verification completed; eligible for benchmark results.

Visual review

Pending.

Pending: the captures have not been reviewed blind yet. Checks decide whether it works; how it looks is decided only in that review.

What ran

Requested and detected.

Detected values come from the run’s own output, never from our settings.

Requested agent config beside what the run reported
FieldRequestedDetectedEvidence
Modelgpt-5.6-terranot reportedThe harness reported no model.
Efforthighnot reportedThe harness reported no effort; the requested effort is shown.
Harnessnot recordedcodex-cli 0.165.0Version as the CLI reported it; binary SHA-256 a45099154d7f…
Deadline60 min1m 59s usedCompleted

Tool decisions

7 calls · 7 without a decision

The harness reports no permission decision for its tool calls; the result of each call is still recorded.

  • command_execution4 calls
  • file_change3 calls

Telemetry

Time and usage.

Generation time
1m 00s
First content
3.4 s
Output speed
125.8 tokens/s, whole run including tools
API-equivalent cost
not reported
Actual charge
not reported
Billing
subscription

Input tokens

111,679 tokens
  • Cache reads89,34480%
  • Cache writesnot reported
  • Uncached input22,33520%

Output tokens

7,546 tokens
  • Output7,546100%
  • Reasoningnot reported

Usage as the agent reported it at the end of the run. Cache reads are part of input; reasoning is part of output.

Transcript and source

Plain-text downloads.

The redacted transcript and the frozen output bundle, with LF line endings. Hashes are of the original files.

Redacted agent transcript: 6.5 KB, 0 redactions. Download transcript.txt

Source files

1 file · 12.0 KB
Files in the output bundle
FileSizeSHA-256Redactions
index.html12.0 KB00f1a6e7101a49e6a1841db23678a9930c002f8462d1074c1abb7b5e75fca9050
Bundle SHA-256 00f1a6e7101a49e6a1841db23678a9930c002f8462d1074c1abb7b5e75fca905

Revision history

This page shows revision 1.

Grades are append-only: a regrade adds a revision and never rewrites an earlier one.

Grading revisions of this run
RevisionGradedWorks
1 (current)28.10.2026 10:36works

Redaction: automated scan run; checked by Jaanus on 28.10.2026 17:51. Nothing needed redacting.