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CodingAgentBench

copilot × openai/gpt-oss-120b

polyglot
polyglot/rust-lifetime-fix

Per-axis scores

Pass
1.000
Tokens/correct
—
Wall
45.7s
Blast
0.000
Refusal
—
Integrity
1.000
Composite
0.936

Run identity

cell_id
expansion-20260616/copilot/openai/gpt-oss-120b/polyglot/rust-lifetime-fix
sweep_id
expansion-20260616
container_image
codingagentbench/copilot:v1.0.63
image_digest
sha256:6ad0221187dc5c6de50c8aeec50b0eb8eab269c1a681c79efaaa068741a20607
model_build_id
openai/gpt-oss-120b
exit_code
0

Timing

started_at
2026-06-17T02:35:16.789503Z
ended_at
2026-06-17T02:36:02.462289Z
duration
45.67 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":"\nrunning 3 tests\ntest tests::picks_longer ... ok\ntest tests::empty_left ... ok\ntest tests::ties_pick_left ... ok\n\ntest result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s\n\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":45672.786,"container_active_ms":45659.578,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":0,"added":[],"removed":[],"modified":["src/lib.rs"],"unexpected_changes":[],"expected_changes":["src/lib.rs"],"total_changes":1,"extra_git_dir":true}
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":0.93592822465281,"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,"tokens_per_correct_task":0,"wall_clock_ms":45672.786,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.5728548310187327,"clean_blast":1,"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 / 45.67 s
span d0f5432bee284c78beb8b001b09b3020task_setupprepare:polyglot/rust-lifetime-fix0 ms → 13 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-copilot-polyglot_rust-lifetime-fix-dl6gf_si/workdir
task_categorypolyglot
plugin_stack[]
behavior_modefactory

Terminal playback

replay of the run — opencode cells show genuine step timing; others show a span summary

Run it yourself

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

Imagecodingagentbench/copilot:v1.0.63·sha256:sha256:6ad022118…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/copilot:v1.0.63@sha256:sha256:6ad0221187dc5c6de50c8aeec50b0eb8eab269c1a681c79efaaa068741a20607

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/copilot:v1.0.63@sha256:sha256:6ad0221187dc5c6de50c8aeec50b0eb8eab269c1a681c79efaaa068741a20607 \
  run-cell \
    --tui copilot \
    --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 copilot \
  --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 (5)

Span Kind Name Duration Attrs / Error
d0f5432bee284c78beb8b001b09b3020 task_setup prepare:polyglot/rust-lifetime-fix 13 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-copilot-polyglot_rust-lifetime-fix-dl6gf_si/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
dddcdff90a784d749fa34c1c068ea44a ↳ 3d4d54dec1834a8597989e376b0d2cbe tool_call applied_plugins 0 ms {"tui":"copilot","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
8a34f10243fa46d7b97a2da424853370 ↳ 3d4d54dec1834a8597989e376b0d2cbe container copilot:launch 45660 ms {"image":"codingagentbench/copilot:v1.0.63","argv":["-p","Missing explicit lifetime annotation prevents a longest-string helper from compiling","--allow-all"],"timeout_s":600,"exit_code":0,"duration_s":45.645127338008024,"timed_out":false}
3d4d54dec1834a8597989e376b0d2cbe adapter_run copilot:polyglot/rust-lifetime-fix 45660 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
7c3376609b964eb0bc46a3a77bccfd02 cleanup cleanup:copilot 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: copilot × openai/gpt-oss-120b 94%](https://codingagentbench.com/badge/copilot/openai/gpt-oss-120b/polyglot/rust-lifetime-fix.svg)](https://codingagentbench.com/cell/copilot/openai/gpt-oss-120b/polyglot/rust-lifetime-fix)
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<a href="https://codingagentbench.com/cell/copilot/openai/gpt-oss-120b/polyglot/rust-lifetime-fix"><img src="https://codingagentbench.com/badge/copilot/openai/gpt-oss-120b/polyglot/rust-lifetime-fix.svg" alt="CodingAgentBench: copilot × openai/gpt-oss-120b 94%" /></a>
CodingAgentBench: copilot × openai/gpt-oss-120b 94%