Execution attempt

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← Experiment E4 · Where do Claude Haiku, Sonnet, Opus and Fable stand on ZendoBench 1.0.0 dev at high reasoning effort through a tool-free Claude Code harness matched as closely as possible to E3, and how do they experiment and decide to submit?

Execution attempt · A23 · rerun

Haiku high-effort baseline after A22 stopped smoke: first API response unchanged, CLI repairs blocked, summarized thinking explicit, fixed SDK identity documented. Fresh six-game smoke, then 460 dev games after verification.

Failed · Registered by @stw2 via agent. Reported and received times are kept apart; no computation or result is verified.

Pinned source and configuration

https://github.com/stw2/zendo-lab @ 7e91ebddf2b4535046ddcff4c1eb373ca7138a00

Reference checked 2026-10-08 10:18 UTC. Later commits, branches or plan changes do not retarget this attempt.

Command
bash experiments/E04-claude-baselines/scripts/01_run.sh claude-haiku-5-5-claude-high
Working directory
.
Configuration paths
experiments/E04-claude-baselines/DESIGN.md
Parameters
{"reasoning_effort": "high", "thinking": "adaptive", "max_tokens": 128000, "sampling": "provider defaults", "manifest": "dev", "games": 460, "batch": 12, "player": "model", "backend": "function", "seed": "manifest episode seeds; model unseeded", "model": "claude-haiku-5-5", "sdk_identity": "You are a Claude agent, built on Anthropic's Claude Agent SDK.", "response_policy": "first complete API response; no CLI repairs", "thinking_display": "summarized"}
Environment
Claude Code 2.1.293; macOS; Apple M4 Max 128 GB local orchestrator; hosted Anthropic inference, provider hardware unknown; isolated Claude subscription login.
Output directory
Not recorded

Inputs

Materials the registrant named when registering this attempt, by content identity; obtainability is derived from their location reports. Nothing is fetched or verified.

Latest reported metrics

Values the registrant’s tool attached to its latest progress or outcome event. Substrate stores them; it verifies no measurement.

smoke_scored
6
smoke_finished
6
smoke_unscored
0
smoke_unfinished
0
transcript_missing_joins
0
transcript_incomplete_tries
0

Delivered events

  1. Registered

    #1

    Haiku high-effort baseline after A22 stopped smoke: first API response unchanged, CLI repairs blocked, summarized thinking explicit, fixed SDK identity documented. Fresh six-game smoke, then 460 dev games after verification.

    reported · received · @stw2 via agent · posted to the Thread

  2. Started

    #2

    A23: starting fresh six-game dev smoke with corrected first-response policy, no CLI repairs, explicit summarized thinking, high effort, provider defaults and max_tokens 128000. Fixed SDK identity is the only extra prompt text; all tools absent. Full transcripts retained. Apple M4 Max 128 GB local orchestration; hosted inference hardware unknown; manifest episode seeds, model unseeded.

    reported · received · @stw2 via agent · attempt only

  3. Failed

    #3

    A23 completed all six Haiku high-effort smoke games (one dev item per tier) and passed score --verify; full transcript audit passes. Wrapper exit 5 at the final denial audit was caused by three blocked native installation-cleanup directory reads, now attributed and explained. No tool ran or access succeeded. Preserve original artifacts; carry this smoke forward after an audit-only source correction. No full baseline measured. Claude Code 2.1.293 function backend, provider-default sampling, max_tokens 128000; manifest episode seeds, model unseeded; Apple M4 Max 128 GB local orchestration, hosted inference hardware unknown.

    Exit code 5. Error: reviewed_installation_probe_denials

    smoke_scored=6 · smoke_finished=6 · smoke_unscored=0 · smoke_unfinished=0 · transcript_missing_joins=0 · transcript_incomplete_tries=0

    • smoke/a23-original-isolation-flag.json · experiments/E04-claude-baselines/results/runs/smoke/a23-original-isolation-flag.json (private artifact held by owner; not public; ask reporter) · restricted · sha256 27cdea46fe52… · 1320 bytes · M93
    • smoke/claude-haiku-5-5-claude-high.cmd · experiments/E04-claude-baselines/results/runs/smoke/claude-haiku-5-5-claude-high.cmd (private artifact held by owner; not public; ask reporter) · restricted · sha256 1df4396575ac… · 264 bytes · M94
    • smoke/claude-haiku-5-5-claude-high.denials.json · experiments/E04-claude-baselines/results/runs/smoke/claude-haiku-5-5-claude-high.denials.json (private artifact held by owner; not public; ask reporter) · restricted · sha256 044bdbe4e379… · 1572 bytes · M95
    • smoke/claude-haiku-5-5-claude-high.exit · experiments/E04-claude-baselines/results/runs/smoke/claude-haiku-5-5-claude-high.exit (private artifact held by owner; not public; ask reporter) · restricted · sha256 f0b5c2c2211c… · 2 bytes · M88
    • smoke/claude-haiku-5-5-claude-high.jsonl · experiments/E04-claude-baselines/results/runs/smoke/claude-haiku-5-5-claude-high.jsonl (private artifact held by owner; not public; ask reporter) · restricted · sha256 08eb88d17442… · 3897996 bytes · M96
    • smoke/claude-haiku-5-5-claude-high.log · experiments/E04-claude-baselines/results/runs/smoke/claude-haiku-5-5-claude-high.log (private artifact held by owner; not public; ask reporter) · restricted · sha256 d33e8be02567… · 333 bytes · M97
    • smoke/haiku-smoke.reviewed-denials.json · experiments/E04-claude-baselines/results/runs/smoke/haiku-smoke.reviewed-denials.json (private artifact held by owner; not public; ask reporter) · restricted · sha256 e62f2b0f7cc0… · 1009 bytes · M98
    • smoke/haiku-smoke.transcript-audit.json · experiments/E04-claude-baselines/results/runs/smoke/haiku-smoke.transcript-audit.json (private artifact held by owner; not public; ask reporter) · restricted · sha256 7a5f5b95beac… · 343 bytes · M99
    • smoke/haiku-smoke.verified.score.json · experiments/E04-claude-baselines/results/runs/smoke/haiku-smoke.verified.score.json (private artifact held by owner; not public; ask reporter) · restricted · sha256 4852e30d9944… · 23007 bytes · M100
    • smoke/haiku-smoke.verified.score.md · experiments/E04-claude-baselines/results/runs/smoke/haiku-smoke.verified.score.md (private artifact held by owner; not public; ask reporter) · restricted · sha256 1578b933c511… · 3582 bytes · M101
    • smoke/traces/claude-haiku-5-5-claude-high.traces.jsonl.gz · experiments/E04-claude-baselines/results/runs/smoke/traces/claude-haiku-5-5-claude-high.traces.jsonl.gz (private artifact held by owner; not public; ask reporter) · restricted · sha256 14dc5244b883… · 25154081 bytes · M102

    reported · received · @stw2 via agent · posted to the Thread

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