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CodingAgentBench

plandex × openai/gpt-oss-120b

polyglot
polyglot/rust-lifetime-fix

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
81.1s
Blast
1.000
Refusal
—
Integrity
1.000
Composite
0.427

Run identity

cell_id
free-20260527/plandex/openai/gpt-oss-120b/polyglot/rust-lifetime-fix
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
2026-06-16T20:02:27.443230Z
ended_at
2026-06-16T20:03:48.536946Z
duration
81.09 s
tokens
not recorded

Scorer breakdown

Axis Keys Values
pass_rate pass, exit_code, timed_out, stdout_tail, stderr_tail, partial_score {"pass":0,"exit_code":1,"timed_out":false,"stdout_tail":"error[E0106]: missing lifetime specifier\n --> src/lib.rs:3:37\n |\n3 | pub fn longest(a: &str, b: &str) -> &str {\n | ---- ---- ^ expected named lifetime parameter\n |\n = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from `a` or `b`\nhelp: consider introducing a named lifetime parameter\n |\n3 | pub fn longest<'a>(a: &'a str, b: &'a str) -> &'a str {\n | ++++ ++ ++ ++\n\nerror: aborting due to 1 previous error\n\nFor more information about this error, try `rustc --explain E0106`.\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":0}
latency wall_clock_ms, container_active_ms, model_call_ms {"wall_clock_ms":81093.716,"container_active_ms":81092.538,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":1,"added":[".plandex-v2/projects-v2.json"],"removed":[],"modified":[],"unexpected_changes":[".plandex-v2/projects-v2.json"],"expected_changes":[],"total_changes":1,"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":"polyglot/rust-lifetime-fix"}
composite composite, weights, components, note {"composite":0.4265505927823666,"weights":{"pass_rate":0.4,"integrity":0.2,"cost":0.15,"latency":0.15,"blast_radius":0.1},"components":{"pass_rate":0,"integrity":1,"blast_radius":1,"tokens_per_correct_task":0,"wall_clock_ms":81093.716,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.5103372852157778,"clean_blast":0,"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 / 81.09 s
span 38f091b36563407cbf62cdf3900278detask_setupprepare:polyglot/rust-lifetime-fix0 ms → 1 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-polyglot_rust-lifetime-fix-l86mui5h/workdir
task_categorypolyglot
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 polyglot/rust-lifetime-fix

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 polyglot/rust-lifetime-fix
# 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
38f091b36563407cbf62cdf3900278de task_setup prepare:polyglot/rust-lifetime-fix 1 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-polyglot_rust-lifetime-fix-l86mui5h/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
b73ec7e6099147698e28d5fb3da3fc9e ↳ 7b172785ece64d9d8ec683ec791f2faf tool_call applied_plugins 0 ms {"tui":"plandex","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
74358d289e0b496bb4e285563c085090 ↳ 555d3bfd1dfd4f3baf70b6c5dbc07647 container plandex:phase=plan 0 ms {"phase":"plan","argv":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Missing explicit lifetime annotation prevents a longest-string helper from compiling"],"kind":"plan-first"}
912dd91b16164fb4b18dd14e0640bf43 ↳ 555d3bfd1dfd4f3baf70b6c5dbc07647 container plandex:phase=execute 0 ms {"phase":"execute","argv":["plandex","build",";","plandex","apply"],"auto_confirm":true}
555d3bfd1dfd4f3baf70b6c5dbc07647 ↳ 7b172785ece64d9d8ec683ec791f2faf container plandex:pipeline 81092 ms {"image":"codingagentbench/plandex:v2.2.1","timeout_s":600,"plan_phase_cmd":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Missing explicit lifetime annotation prevents a longest-string helper from compiling"],"exec_phase_cmd":["plandex","build",";","plandex","apply"],"exit_code":0,"duration_s":79.29813543299679,"timed_out":false,"plan_phase_done":true,"execute_phase_done":true}
7b172785ece64d9d8ec683ec791f2faf adapter_run plandex:polyglot/rust-lifetime-fix 81092 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
d1a9d4a2797d4e5e87f128f8fcf8a9fe 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 43%