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CodingAgentBench

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

mutations
mutations/python-comparator-swap

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
1.8s
Blast
0.000
Refusal
—
Integrity
1.000
Composite
0.590

Run identity

cell_id
expansion-20260616/pi/meta/llama-4-maverick-17b-128e-instruct/mutations/python-comparator-swap
sweep_id
expansion-20260616
container_image
codingagentbench/pi:v0.73.1
image_digest
sha256:272792a5fb41b2290cf7f75c094471fc9bc9933cefdb77c68c5122bbfa2044e6
model_build_id
meta/llama-4-maverick-17b-128e-instruct
exit_code
0

Timing

started_at
2026-06-17T03:11:42.238458Z
ended_at
2026-06-17T03:11:44.015453Z
duration
1.78 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":" 2, 3]\n? ^ ^\n\n\n======================================================================\nFAIL: test_ints_ascending (test_sorter.TestSorter.test_ints_ascending)\n----------------------------------------------------------------------\nTraceback (most recent call last):\n File \"/home/andrew/.codingagentbench-scratch/codingagentbench-pi-mutations_python-comparator-swap-u9ksl0w2/workdir/tests/test_sorter.py\", line 12, in test_ints_ascending\n self.assertEqual(sort_items([5, 2, 9, 1, 3]), [1, 2, 3, 5, 9])\nAssertionError: Lists differ: [9, 5, 3, 2, 1] != [1, 2, 3, 5, 9]\n\nFirst differing element 0:\n9\n1\n\n- [9, 5, 3, 2, 1]\n+ [1, 2, 3, 5, 9]\n\n======================================================================\nFAIL: test_strings_ascending (test_sorter.TestSorter.test_strings_ascending)\n----------------------------------------------------------------------\nTraceback (most recent call last):\n File \"/home/andrew/.codingagentbench-scratch/codingagentbench-pi-mutations_python-comparator-swap-u9ksl0w2/workdir/tests/test_sorter.py\", line 15, in test_strings_ascending\n self.assertEqual(sort_items([\"b\", \"a\", \"c\"]), [\"a\", \"b\", \"c\"])\nAssertionError: Lists differ: ['c', 'b', 'a'] != ['a', 'b', 'c']\n\nFirst differing element 0:\n'c'\n'a'\n\n- ['c', 'b', 'a']\n? ^ ^\n\n+ ['a', 'b', 'c']\n? ^ ^\n\n\n======================================================================\nFAIL: test_with_negatives (test_sorter.TestSorter.test_with_negatives)\n----------------------------------------------------------------------\nTraceback (most recent call last):\n File \"/home/andrew/.codingagentbench-scratch/codingagentbench-pi-mutations_python-comparator-swap-u9ksl0w2/workdir/tests/test_sorter.py\", line 27, in test_with_negatives\n self.assertEqual(sort_items([0, -1, -2, 5]), [-2, -1, 0, 5])\nAssertionError: Lists differ: [5, 0, -1, -2] != [-2, -1, 0, 5]\n\nFirst differing element 0:\n5\n-2\n\n- [5, 0, -1, -2]\n+ [-2, -1, 0, 5]\n\n----------------------------------------------------------------------\nRan 6 tests in 0.001s\n\nFAILED (failures=4)\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":1776.9950000000001,"container_active_ms":1764.165,"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":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":"mutations/python-comparator-swap"}
composite composite, weights, components, note {"composite":0.590051512165529,"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":1776.9950000000001,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.9336767477701933,"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 / 1.78 s
span bc4ef91876214048a3acc9b8f198d0aatask_setupprepare:mutations/python-comparator-swap0 ms → 12 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-pi-mutations_python-comparator-swap-u9ksl0w2/workdir
task_categorymutations
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 meta/llama-4-maverick-17b-128e-instruct \
    --task mutations/python-comparator-swap

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-4-maverick-17b-128e-instruct
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui pi \
  --model meta/llama-4-maverick-17b-128e-instruct \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task mutations/python-comparator-swap
# 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
bc4ef91876214048a3acc9b8f198d0aa task_setup prepare:mutations/python-comparator-swap 12 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-pi-mutations_python-comparator-swap-u9ksl0w2/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}
12297c9232ed4aef9486a10a5280d9f2 ↳ 7b67bd4338b844ce969375eb26561d05 tool_call applied_plugins 0 ms {"tui":"pi","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
014e836a84aa4b069cfdfbda91c7b6c2 ↳ 7b67bd4338b844ce969375eb26561d05 container pi:launch 1764 ms {"image":"codingagentbench/pi:v0.73.1","argv":["--print","--no-session","--offline","--provider","nim","--model","meta/llama-4-maverick-17b-128e-instruct","--api-key","sk-ijYE3GGIl2pTqBtwcCcuaIsZzYIIFrIWLMG3qmOK","Operands swapped in a cmp comparator; sort runs in reverse order"],"timeout_s":600,"exit_code":0,"duration_s":1.7493102849985007,"timed_out":false}
7b67bd4338b844ce969375eb26561d05 adapter_run pi:mutations/python-comparator-swap 1765 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
08253e9fc76f45e8aeca0114c47aaa62 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 × meta/llama-4-maverick-17b-128e-instruct 59%