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CodingAgentBench

pi × openai/gpt-oss-120b

polyglot
polyglot/python-palindrome-check

Per-axis scores

Pass
1.000
Tokens/correct
—
Wall
8.8s
Blast
0.000
Refusal
—
Integrity
1.000
Composite
0.968

Run identity

cell_id
expansion-20260616/pi/openai/gpt-oss-120b/polyglot/python-palindrome-check
sweep_id
expansion-20260616
container_image
codingagentbench/pi:v0.73.1
image_digest
sha256:272792a5fb41b2290cf7f75c094471fc9bc9933cefdb77c68c5122bbfa2044e6
model_build_id
openai/gpt-oss-120b
exit_code
0

Timing

started_at
2026-06-17T03:29:12.381576Z
ended_at
2026-06-17T03:29:21.139754Z
duration
8.76 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":"","stderr_tail":"test_basic_false (test_palindrome.TestPalindrome.test_basic_false) ... ok\ntest_basic_true (test_palindrome.TestPalindrome.test_basic_true) ... ok\ntest_empty (test_palindrome.TestPalindrome.test_empty) ... ok\ntest_mixed_case (test_palindrome.TestPalindrome.test_mixed_case) ... ok\ntest_not_palindrome_sentence (test_palindrome.TestPalindrome.test_not_palindrome_sentence) ... ok\ntest_punctuation_and_case (test_palindrome.TestPalindrome.test_punctuation_and_case) ... ok\ntest_single (test_palindrome.TestPalindrome.test_single) ... ok\n\n----------------------------------------------------------------------\nRan 7 tests in 0.000s\n\nOK\n","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":8758.178,"container_active_ms":8739.756,"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/palindrome.py"],"unexpected_changes":[],"expected_changes":["src/palindrome.py"],"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/python-palindrome-check"}
composite composite, weights, components, note {"composite":0.9678142485479656,"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":8758.178,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.7854283236531033,"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 / 8.76 s
span bd0e0c8fe4fb44c995023f6c25219acctask_setupprepare:polyglot/python-palindrome-check0 ms → 18 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-pi-polyglot_python-palindrome-check-6x4vrm6h/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/pi:v0.73.1·sha256:sha256:272792a5f…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/pi:v0.73.1@sha256:sha256:272792a5fb41b2290cf7f75c094471fc9bc9933cefdb77c68c5122bbfa2044e6

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/pi:v0.73.1@sha256:sha256:272792a5fb41b2290cf7f75c094471fc9bc9933cefdb77c68c5122bbfa2044e6 \
  run-cell \
    --tui pi \
    --model openai/gpt-oss-120b \
    --task polyglot/python-palindrome-check

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 pi \
  --model openai/gpt-oss-120b \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task polyglot/python-palindrome-check
# 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
bd0e0c8fe4fb44c995023f6c25219acc task_setup prepare:polyglot/python-palindrome-check 18 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-pi-polyglot_python-palindrome-check-6x4vrm6h/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
bf8c5aeafa2a4d5293d6e97a6cd0e90a ↳ 1b9e7cd6e3e44314a35bc6b068d7f8d5 tool_call applied_plugins 0 ms {"tui":"pi","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
655c698a8b4748cfb90d88e03d506bc2 ↳ 1b9e7cd6e3e44314a35bc6b068d7f8d5 container pi:launch 8740 ms {"image":"codingagentbench/pi:v0.73.1","argv":["--print","--no-session","--offline","--provider","nim","--model","openai/gpt-oss-120b","--api-key","sk-ijYE3GGIl2pTqBtwcCcuaIsZzYIIFrIWLMG3qmOK","Detect palindromes, ignoring case and non-alphanumerics; current impl drops punctuation but not case"],"timeout_s":600,"exit_code":0,"duration_s":8.722897915984504,"timed_out":false}
1b9e7cd6e3e44314a35bc6b068d7f8d5 adapter_run pi:polyglot/python-palindrome-check 8740 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
9aa89d622f4b43c890c1492269ea0c0e cleanup cleanup:pi 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: pi × openai/gpt-oss-120b 97%](https://codingagentbench.com/badge/pi/openai/gpt-oss-120b/polyglot/python-palindrome-check.svg)](https://codingagentbench.com/cell/pi/openai/gpt-oss-120b/polyglot/python-palindrome-check)
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<a href="https://codingagentbench.com/cell/pi/openai/gpt-oss-120b/polyglot/python-palindrome-check"><img src="https://codingagentbench.com/badge/pi/openai/gpt-oss-120b/polyglot/python-palindrome-check.svg" alt="CodingAgentBench: pi × openai/gpt-oss-120b 97%" /></a>
CodingAgentBench: pi × openai/gpt-oss-120b 97%