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CodingAgentBench

copilot × openai/gpt-oss-120b

polyglot
polyglot/rust-error-handling

Per-axis scores

Pass
1.000
Tokens/correct
—
Wall
38.3s
Blast
0.000
Refusal
—
Integrity
1.000
Composite
0.939

Run identity

cell_id
expansion-20260616/copilot/openai/gpt-oss-120b/polyglot/rust-error-handling
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
2026-06-17T02:32:23.087464Z
ended_at
2026-06-17T02:33:01.421350Z
duration
38.33 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 5 tests\ntest tests::bad_input_does_not_panic ... ok\ntest tests::bad_input_reports_index_and_value ... ok\ntest tests::happy_path ... ok\ntest tests::empty ... ok\ntest tests::negative_numbers ... ok\n\ntest result: ok. 5 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":38333.886,"container_active_ms":38322.299999999996,"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-error-handling"}
composite composite, weights, components, note {"composite":0.9390603220438124,"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":38333.886,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.5937354802920822,"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 / 38.33 s
span fdec12cc5cf74af69a7e6caf6365ab2btask_setupprepare:polyglot/rust-error-handling0 ms → 11 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-copilot-polyglot_rust-error-handling-r7agn73n/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-error-handling

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-error-handling
# 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
fdec12cc5cf74af69a7e6caf6365ab2b task_setup prepare:polyglot/rust-error-handling 11 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-copilot-polyglot_rust-error-handling-r7agn73n/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
5ef319ad318c45c195b32a94a7353aae ↳ 64cc8e879dea4bce8fac639037964b26 tool_call applied_plugins 0 ms {"tui":"copilot","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
e29c381b00d54659981c21acbb49718d ↳ 64cc8e879dea4bce8fac639037964b26 container copilot:launch 38323 ms {"image":"codingagentbench/copilot:v1.0.63","argv":["-p","Function uses unwrap on user input; replace with proper Result propagation","--allow-all"],"timeout_s":600,"exit_code":0,"duration_s":38.307362093997654,"timed_out":false}
64cc8e879dea4bce8fac639037964b26 adapter_run copilot:polyglot/rust-error-handling 38323 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
05608d47e40d42e4ab0613f48009fc96 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%