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CodingAgentBench

copilot × meta/llama-3.3-70b-instruct

polyglot
polyglot/python-palindrome-check

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
66.6s
Blast
1.000
Refusal
—
Integrity
1.000
Composite
0.430

Run identity

cell_id
expansion-20260616/copilot/meta/llama-3.3-70b-instruct/polyglot/python-palindrome-check
sweep_id
expansion-20260616
container_image
codingagentbench/copilot:v1.0.63
image_digest
sha256:6ad0221187dc5c6de50c8aeec50b0eb8eab269c1a681c79efaaa068741a20607
model_build_id
meta/llama-3.3-70b-instruct
exit_code
0

Timing

started_at
2026-06-17T02:24:41.318334Z
ended_at
2026-06-17T02:25:47.947620Z
duration
66.63 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":"","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) ... FAIL\ntest_not_palindrome_sentence (test_palindrome.TestPalindrome.test_not_palindrome_sentence) ... ok\ntest_punctuation_and_case (test_palindrome.TestPalindrome.test_punctuation_and_case) ... FAIL\ntest_single (test_palindrome.TestPalindrome.test_single) ... ok\n\n======================================================================\nFAIL: test_mixed_case (test_palindrome.TestPalindrome.test_mixed_case)\n----------------------------------------------------------------------\nTraceback (most recent call last):\n File \"/home/andrew/.codingagentbench-scratch/codingagentbench-copilot-polyglot_python-palindrome-check-ksqitiov/workdir/tests/test_palindrome.py\", line 24, in test_mixed_case\n self.assertTrue(is_palindrome(\"RaceCar\"))\nAssertionError: False is not true\n\n======================================================================\nFAIL: test_punctuation_and_case (test_palindrome.TestPalindrome.test_punctuation_and_case)\n----------------------------------------------------------------------\nTraceback (most recent call last):\n File \"/home/andrew/.codingagentbench-scratch/codingagentbench-copilot-polyglot_python-palindrome-check-ksqitiov/workdir/tests/test_palindrome.py\", line 27, in test_punctuation_and_case\n self.assertTrue(is_palindrome(\"A man, a plan, a canal: Panama\"))\nAssertionError: False is not true\n\n----------------------------------------------------------------------\nRan 7 tests in 0.001s\n\nFAILED (failures=2)\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":0}
latency wall_clock_ms, container_active_ms, model_call_ms {"wall_clock_ms":66629.286,"container_active_ms":66617.119,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":1,"added":["palindrome_detector.py"],"removed":[],"modified":[],"unexpected_changes":["palindrome_detector.py"],"expected_changes":[],"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":0.4296011545307239,"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":66629.286,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.5306743635381596,"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 / 66.63 s
span 1b62c04edc5242f890d9c975a46f25e4task_setupprepare:polyglot/python-palindrome-check0 ms → 12 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-copilot-polyglot_python-palindrome-check-ksqitiov/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 meta/llama-3.3-70b-instruct \
    --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: meta/llama-3.3-70b-instruct
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui copilot \
  --model meta/llama-3.3-70b-instruct \
  --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
1b62c04edc5242f890d9c975a46f25e4 task_setup prepare:polyglot/python-palindrome-check 12 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-copilot-polyglot_python-palindrome-check-ksqitiov/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
4ef3a5fb15a54cc3adcdd7c472c16f8b ↳ 0afdec16db9b4e468a0ccdaf6c44ef92 tool_call applied_plugins 0 ms {"tui":"copilot","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
479086f0134e420281f3db97d1ede7cf ↳ 0afdec16db9b4e468a0ccdaf6c44ef92 container copilot:launch 66617 ms {"image":"codingagentbench/copilot:v1.0.63","argv":["-p","Detect palindromes, ignoring case and non-alphanumerics; current impl drops punctuation but not case","--allow-all"],"timeout_s":600,"exit_code":0,"duration_s":66.60140621499158,"timed_out":false}
0afdec16db9b4e468a0ccdaf6c44ef92 adapter_run copilot:polyglot/python-palindrome-check 66617 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
7539ac8775194ad7a384a5dc47bbf69b 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 × meta/llama-3.3-70b-instruct 43%