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CodingAgentBench

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

polyglot
polyglot/python-two-sum

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
127.3s
Blast
0.500
Refusal
—
Integrity
1.000
Composite
0.470

Run identity

cell_id
expansion-20260616/plandex/meta/llama-4-maverick-17b-128e-instruct/polyglot/python-two-sum
sweep_id
expansion-20260616
container_image
codingagentbench/plandex:v2.2.1
image_digest
sha256:4b86de012d4a8e3f013a6fbb1ba37b9431e110dfc33d06dc3e0f94c70c0d8327
model_build_id
meta/llama-4-maverick-17b-128e-instruct
exit_code
0

Timing

started_at
2026-06-17T11:57:14.609126Z
ended_at
2026-06-17T11:59:21.942774Z
duration
127.33 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":"--------------------------------------------------------\nTraceback (most recent call last):\n File \"/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-polyglot_python-two-sum-s198_m14/workdir/tests/test_two_sum.py\", line 18, in test_no_solution\n self.assertIsNone(two_sum([1, 2, 3], 100))\nAssertionError: [] is not None\n\n======================================================================\nFAIL: test_same_value_two_indices (test_two_sum.TestTwoSum.test_same_value_two_indices)\n----------------------------------------------------------------------\nTraceback (most recent call last):\n File \"/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-polyglot_python-two-sum-s198_m14/workdir/tests/test_two_sum.py\", line 22, in test_same_value_two_indices\n self.assertEqual(two_sum([3, 3], 6), (0, 1))\nAssertionError: [0, 1] != (0, 1)\n\n======================================================================\nFAIL: test_target_double_unique_element (test_two_sum.TestTwoSum.test_target_double_unique_element)\n----------------------------------------------------------------------\nTraceback (most recent call last):\n File \"/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-polyglot_python-two-sum-s198_m14/workdir/tests/test_two_sum.py\", line 26, in test_target_double_unique_element\n self.assertIsNone(two_sum([4], 8))\nAssertionError: [] is not None\n\n======================================================================\nFAIL: test_target_double_with_other_pair (test_two_sum.TestTwoSum.test_target_double_with_other_pair)\n----------------------------------------------------------------------\nTraceback (most recent call last):\n File \"/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-polyglot_python-two-sum-s198_m14/workdir/tests/test_two_sum.py\", line 30, in test_target_double_with_other_pair\n self.assertEqual(two_sum([4, 1, 7], 8), (1, 2))\nAssertionError: [1, 2] != (1, 2)\n\n----------------------------------------------------------------------\nRan 8 tests in 0.002s\n\nFAILED (failures=8)\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":127333.648,"container_active_ms":127332.806,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":0.5,"added":[".plandex-v2/projects-v2.json"],"removed":[],"modified":["src/two_sum.py"],"unexpected_changes":[".plandex-v2/projects-v2.json"],"expected_changes":["src/two_sum.py"],"total_changes":2,"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-two-sum"}
composite composite, weights, components, note {"composite":0.47016634712582983,"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":0.5,"tokens_per_correct_task":0,"wall_clock_ms":127333.648,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.46777564750553247,"clean_blast":0.5,"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 / 127.33 s
span 40abde67afea45548607081b9d67ceeaadapter_runplandex:polyglot/python-two-sum0 ms → 127.33 s
timeout_s600
plugin_stack[]
exit_code0

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/plandex:v2.2.1·sha256:sha256:4b86de012…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/plandex:v2.2.1@sha256:sha256:4b86de012d4a8e3f013a6fbb1ba37b9431e110dfc33d06dc3e0f94c70c0d8327

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/plandex:v2.2.1@sha256:sha256:4b86de012d4a8e3f013a6fbb1ba37b9431e110dfc33d06dc3e0f94c70c0d8327 \
  run-cell \
    --tui plandex \
    --model meta/llama-4-maverick-17b-128e-instruct \
    --task polyglot/python-two-sum

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 plandex \
  --model meta/llama-4-maverick-17b-128e-instruct \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task polyglot/python-two-sum
# provisional score — not for citation

Provisional score — not for citation. Use the Docker or Harness CLI path for citable results.

Trace spans (7)

Span Kind Name Duration Attrs / Error
10f0a370407245ce839858183172a221 task_setup prepare:polyglot/python-two-sum 0 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-polyglot_python-two-sum-s198_m14/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
ed52c18c3c404fdcaf53b878c349eff9 ↳ 40abde67afea45548607081b9d67ceea tool_call applied_plugins 0 ms {"tui":"plandex","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
b70f862c13e74b4abdf83ed43efbe50a ↳ 4345cf14b71a4a1e9a095e7582230790 container plandex:phase=plan 0 ms {"phase":"plan","argv":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Find two indices summing to target; broken hash-map walk returns the same index twice"],"kind":"plan-first"}
42e9003e30324ef0995402543b62f867 ↳ 4345cf14b71a4a1e9a095e7582230790 container plandex:phase=execute 0 ms {"phase":"execute","argv":["plandex","build",";","plandex","apply"],"auto_confirm":true}
4345cf14b71a4a1e9a095e7582230790 ↳ 40abde67afea45548607081b9d67ceea container plandex:pipeline 127333 ms {"image":"codingagentbench/plandex:v2.2.1","timeout_s":600,"plan_phase_cmd":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Find two indices summing to target; broken hash-map walk returns the same index twice"],"exec_phase_cmd":["plandex","build",";","plandex","apply"],"exit_code":0,"duration_s":127.31055463501252,"timed_out":false,"plan_phase_done":true,"execute_phase_done":true}
40abde67afea45548607081b9d67ceea adapter_run plandex:polyglot/python-two-sum 127333 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
cc94dc365b6c46898c6a7343b760a58a cleanup cleanup:plandex 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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