Lava lamp v1 · Codex CLI · run 0512c0d4 · 28.10.2026 10:29 Tallinn

GPT-5.6 Terra

Low 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, low effort, 28.10.2026 10:29 (run 0512c0d4)
Desktop · 150.9 KB · 6114f47d9f18…
Phone capture of Codex CLI (GPT-5.6 Terra)'s output on Lava lamp v1, low effort, 28.10.2026 10:29 (run 0512c0d4)
Phone · 84.0 KB · 7686bc3d3671…
Motion capture of Codex CLI (GPT-5.6 Terra)'s output on Lava lamp v1, low effort, 28.10.2026 10:29 (run 0512c0d4)
Motion · 149.9 KB · 25b75c8e2cb4…

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

    This effort
  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

    1 run
  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 low effort.

Fastest median first · this run: 1m 38s

  1. GPT-5.6 Luna at low effort: desktop capture of run 4b99cb20GPT-5.6 Luna29.7 s

    Works

    3.3× faster than this run
  2. GPT-6.1 Terra at low effort: desktop capture of run e58b2b0cGPT-6.1 Terra42.9 s

    Works

    2.3× faster than this run
  3. GPT-6 Luna at low effort: desktop capture of run 46ad720eGPT-6 Luna51.5 s

    Fails

    1.9× faster than this run
  4. Claude Opus 5.5 at low effort: desktop capture of run dc76fa3bClaude Opus 5.51m 42s

    Works

    about the same
  5. GPT-5.6 Sol at low effort: desktop capture of run 184f5448GPT-5.6 Sol1m 46s

    Works

    1.1× slower than this run
  6. Claude Haiku 5.5 at low effort: desktop capture of run 69b2dfe6Claude Haiku 5.52m 36s

    Works

    1.6× slower than this run
  7. Claude Sonnet 5.5 at low effort: desktop capture of run b7f9c96bClaude Sonnet 5.52m 37s

    Works

    1.6× slower than this run
  8. GPT-6 Sol at low effort: desktop capture of run 0beb33c6GPT-6 Sol2m 39s

    Works

    1.6× slower than this run
  9. Claude Fable 5.1 at low effort: desktop capture of run 4bd42367Claude Fable 5.12m 50s

    Works

    1.7× slower than this run
  10. GPT-6.1 Sol at low effort: desktop capture of run 80d2eb3dGPT-6.1 Sol3m 11s

    Works

    1.9× slower than this run
  11. No capture publishedGPT-6 Astra4m 17s

    Not checked

    2.6× 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 25badee3a137c08dd2be14a46e4626e20d4e7970ea6244c114f191ef233e8ae4, 1122.8 KB.
Run ID
0512c0d4-090f-4d02-9f95-619fc1a524ce
Benchmark
lava-lamp v1
Experiment
Single run
Started
28.10.2026 10:29 Tallinn
Graded
revision 1 · 28.10.2026 10:31

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.
Effortlownot 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 min2m 37s usedCompleted

Tool decisions

3 calls · 3 without a decision

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

  • command_execution2 calls · 1 failed
  • file_change1 call

Telemetry

Time and usage.

Generation time
1m 38s
First content
4.7 s
Output speed
36.1 tokens/s, whole run including tools
API-equivalent cost
not reported
Actual charge
not reported
Billing
subscription

Input tokens

41,571 tokens
  • Cache reads26,88065%
  • Cache writesnot reported
  • Uncached input14,69135%

Output tokens

3,553 tokens
  • Output3,553100%
  • 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: 1.3 KB, 0 redactions. Download transcript.txt

Source files

1 file · 8.0 KB
Files in the output bundle
FileSizeSHA-256Redactions
index.html8.0 KBad97b455db42e82a5d0aa42fd0c1a54959f80eb91c48f96bb75414c2455ba2cd0
Bundle SHA-256 ad97b455db42e82a5d0aa42fd0c1a54959f80eb91c48f96bb75414c2455ba2cd

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 10:31works

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