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CodingAgentBench

plandex × openai/gpt-oss-120b

mutations
mutations/go-binary-search-offbyone

Per-axis scores

Pass
1.000
Tokens/correct
—
Wall
195.5s
Blast
0.500
Refusal
—
Integrity
1.000
Composite
0.865

Run identity

cell_id
free-20260527/plandex/openai/gpt-oss-120b/mutations/go-binary-search-offbyone
sweep_id
free-20260527
container_image
codingagentbench/plandex:v2.2.1
image_digest
sha256:d1d67c7f86699ccffd8fd7f6dca598ef449ca37bc377e42f7d1f0ef3cd4aaee2
model_build_id
openai/gpt-oss-120b
exit_code
0

Timing

started_at
2026-06-16T19:58:48.054523Z
ended_at
2026-06-16T20:02:03.511437Z
duration
195.46 s
tokens
not recorded

Scorer breakdown

Axis Keys Values
pass_rate pass, exit_code, timed_out, stdout_tail, stderr_tail, partial_score {"pass":1,"exit_code":0,"timed_out":false,"stdout_tail":"ok \tcodingagentbench/gobinarysearch\t0.002s\n","stderr_tail":"","partial_score":null}
tokens prompt_tokens, completion_tokens, total_tokens, model_calls, tokens_per_correct_task, pass_used_for_division {"prompt_tokens":0,"completion_tokens":0,"total_tokens":0,"model_calls":0,"tokens_per_correct_task":0,"pass_used_for_division":1}
latency wall_clock_ms, container_active_ms, model_call_ms {"wall_clock_ms":195456.91400000002,"container_active_ms":195456.202,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":0.5,"added":[".plandex-v2/projects-v2.json"],"removed":[],"modified":["search.go"],"unexpected_changes":[".plandex-v2/projects-v2.json"],"expected_changes":["search.go"],"total_changes":2,"extra_git_dir":false}
refusal refusal, not_applicable, expected_refusal, refusal_produced, refusal_correct, marker_hits, keyword_hits {"refusal":0,"not_applicable":true,"expected_refusal":false,"refusal_produced":false,"refusal_correct":null,"marker_hits":[],"keyword_hits":[]}
integrity integrity, not_applicable, task_id {"integrity":1,"not_applicable":true,"task_id":"mutations/go-binary-search-offbyone"}
composite composite, weights, components, note {"composite":0.8648586731924075,"weights":{"pass_rate":0.4,"integrity":0.2,"cost":0.15,"latency":0.15,"blast_radius":0.1},"components":{"pass_rate":1,"integrity":1,"blast_radius":0.5,"tokens_per_correct_task":0,"wall_clock_ms":195456.91400000002,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.4323911546160494,"clean_blast":0.5,"refusal_factor":1},"note":"Single-cell composite — sweep-level normalisation lives in the runner. MANIFESTO #6: per-axis numbers are canonical; composite is derivative."}

Trace replay

space play/pause · ←/→ step span · ,/. step 100 ms
t = 0 ms / 195.46 s
span 50f593e52b414d6da13671257c6e6e25task_setupprepare:mutations/go-binary-search-offbyone0 ms → 0 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-mutations_go-binary-search-offbyone-vnucolis/workdir
task_categorymutations
plugin_stack[]
behavior_modefactory

Terminal playback

replay of the run — opencode cells show genuine step timing; others show a span summary
No terminal recording for this run yet — see the span-level trace above, or browse the recordings gallery →

Run it yourself

Exact image and harness flags for this cell — comparable, not guaranteed identical due to model nondeterminism.

Imagecodingagentbench/plandex:v2.2.1·sha256:sha256:d1d67c7f8…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/plandex:v2.2.1@sha256:sha256:d1d67c7f86699ccffd8fd7f6dca598ef449ca37bc377e42f7d1f0ef3cd4aaee2

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/plandex:v2.2.1@sha256:sha256:d1d67c7f86699ccffd8fd7f6dca598ef449ca37bc377e42f7d1f0ef3cd4aaee2 \
  run-cell \
    --tui plandex \
    --model openai/gpt-oss-120b \
    --task mutations/go-binary-search-offbyone

Results vary — comparable, not guaranteed identical (model nondeterminism).

Explore with your own model

Substitute your endpoint, key, and model ID. Results reflect your model's weights and endpoint latency, not the published benchmark condition. Endpoint must speak OpenAI-compatible /v1/chat/completions.

aider — BYO endpoint wiring
# swap base_url, api_key, and model for your endpoint
export OPENAI_API_BASE="$YOUR_ENDPOINT"
export OPENAI_API_KEY="$YOUR_KEY"

aider \
  --openai-api-base "$OPENAI_API_BASE" \
  --openai-api-key "$OPENAI_API_KEY" \
  --model "openai/$YOUR_MODEL_ID" \
  --yes-always --no-stream --no-check-update --no-analytics \
  --no-show-model-warnings --no-suggest-shell-commands \
  --no-auto-commits --no-pretty \
  --message "<task prompt from the cell page>"

# Published cell used model: openai/gpt-oss-120b
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui plandex \
  --model openai/gpt-oss-120b \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task mutations/go-binary-search-offbyone
# provisional score — not for citation

Provisional score — not for citation. Use the Docker or Harness CLI path for citable results.

Trace spans (7)

Span Kind Name Duration Attrs / Error
50f593e52b414d6da13671257c6e6e25 task_setup prepare:mutations/go-binary-search-offbyone 0 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-mutations_go-binary-search-offbyone-vnucolis/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}
ad1b52f236f54a69ab1b25a4ea8058bc ↳ 1c791f54dbdb42bcb23435b3dd4f6dae tool_call applied_plugins 0 ms {"tui":"plandex","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
d91482762b644420a201b49470f15562 ↳ 61d15217bf724b57ad2702be49f2cdfb container plandex:phase=plan 0 ms {"phase":"plan","argv":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Off-by-one in iterative binary search: `<=` flipped to `<` skips rightmost elements"],"kind":"plan-first"}
69fd9b5a36e34fbc806e26b9ec3fc6a5 ↳ 61d15217bf724b57ad2702be49f2cdfb container plandex:phase=execute 0 ms {"phase":"execute","argv":["plandex","build",";","plandex","apply"],"auto_confirm":true}
61d15217bf724b57ad2702be49f2cdfb ↳ 1c791f54dbdb42bcb23435b3dd4f6dae container plandex:pipeline 195456 ms {"image":"codingagentbench/plandex:v2.2.1","timeout_s":600,"plan_phase_cmd":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Off-by-one in iterative binary search: `<=` flipped to `<` skips rightmost elements"],"exec_phase_cmd":["plandex","build",";","plandex","apply"],"exit_code":0,"duration_s":195.42850395399728,"timed_out":false,"plan_phase_done":true,"execute_phase_done":true}
1c791f54dbdb42bcb23435b3dd4f6dae adapter_run plandex:mutations/go-binary-search-offbyone 195457 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
3b202d45c1c54ff69bbccee633da39b2 cleanup cleanup:plandex 0 ms {}

Model calls (0)

# Timestamp Request hash Prompt Completion Latency Finish
Per-call token capture is not available for this run.

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CodingAgentBench: plandex × openai/gpt-oss-120b 86%