openhands × meta/llama-4-maverick-17b-128e-instruct

polyglot

polyglot/python-palindrome-check

Per-axis scores

Pass

0.000

Tokens/correct

—

Wall

16.8s

Blast

0.000

Refusal

—

Integrity

1.000

Composite

0.555

Run identity

cell_id: expansion-20260616/openhands/meta/llama-4-maverick-17b-128e-instruct/polyglot/python-palindrome-check
sweep_id: expansion-20260616
container_image: codingagentbench/openhands:1.7.0
image_digest: sha256:7fcaf222644a5cb0afffe018f038d270130b5af3b8af366cd960f2d596a4342c
model_build_id: meta/llama-4-maverick-17b-128e-instruct
exit_code: 0

Timing

started_at: 2026-06-17T07:11:29.388048Z
ended_at: 2026-06-17T07:11:46.185373Z
duration: 16.80 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-openhands-polyglot_python-palindrome-check-mi6fgztk/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-openhands-polyglot_python-palindrome-check-mi6fgztk/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":16797.325,"container_active_ms":16796.618,"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":[],"unexpected_changes":[],"expected_changes":[],"total_changes":0,"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/python-palindrome-check"}`
composite	composite, weights, components, note	{"composite":0.5550352907643301,"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":0,"tokens_per_correct_task":0,"wall_clock_ms":16797.325,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.7002352717622012,"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

speedt = 0 ms / 16.80 s

span 74dc9b1e48d04719a50e4b117f10f5c9adapter_runopenhands:polyglot/python-palindrome-check0 ms → 16.80 s

timeout_s600
plugin_stack[]
exit_code0

Terminal playback

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Run it yourself

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

Imagecodingagentbench/openhands:1.7.0·sha256:sha256:7fcaf2226…

docker run — exact image used in this run

# pull the exact image used in this run
docker pull codingagentbench/openhands:1.7.0@sha256:sha256:7fcaf222644a5cb0afffe018f038d270130b5af3b8af366cd960f2d596a4342c

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/openhands:1.7.0@sha256:sha256:7fcaf222644a5cb0afffe018f038d270130b5af3b8af366cd960f2d596a4342c \
  run-cell \
    --tui openhands \
    --model meta/llama-4-maverick-17b-128e-instruct \
    --task polyglot/python-palindrome-check

Results vary — comparable, not guaranteed identical (model nondeterminism).

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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-4-maverick-17b-128e-instruct

Zero-install preview — npx CLI (provisional, not for citation)

npx @codingagentbench/cli check

npx @codingagentbench/cli check \
  --tui openhands \
  --model meta/llama-4-maverick-17b-128e-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
a5947b5027614ea5b29ccd580a4b8bea	task_setup	prepare:polyglot/python-palindrome-check	0 ms	`{"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-openhands-polyglot_python-palindrome-check-mi6fgztk/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}`
16ba1a7fc1354f598d8e32d50bacd5f0 ↳ 74dc9b1e48d04719a50e4b117f10f5c9	tool_call	applied_plugins	0 ms	`{"tui":"openhands","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}`
3e655d9828a74d12847fae6092bf8a46 ↳ 74dc9b1e48d04719a50e4b117f10f5c9	container	openhands:run	16797 ms	`{"image":"codingagentbench/openhands:1.7.0","command":["/app/.venv/bin/python","/opt/openhands_run.py","-t","Detect palindromes, ignoring case and non-alphanumerics; current impl drops punctuation but not case","--workspace","/workspace"],"deviation":"root+docker.sock; see module docstring","exit_code":0,"timed_out":false,"docker_sock_mounted":true,"read_only":false}`
74dc9b1e48d04719a50e4b117f10f5c9	adapter_run	openhands:polyglot/python-palindrome-check	16797 ms	`{"timeout_s":600,"plugin_stack":[],"exit_code":0}`
e268280a4ace4058b6f75cb9625712fd	cleanup	cleanup:openhands	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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