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CodingAgentBench

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

polyglot
polyglot/python-palindrome-check

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
9.2s
Blast
0.000
Refusal
—
Integrity
1.000
Composite
0.567

Run identity

cell_id
expansion-20260616/opencode/meta/llama-4-maverick-17b-128e-instruct/polyglot/python-palindrome-check
sweep_id
expansion-20260616
container_image
codingagentbench/opencode:v1.15.10
image_digest
sha256:e56bdb69fb83ea2f8c81c06257f190fd4b5e91077e83d5536f722ff1b9c70275
model_build_id
meta/llama-4-maverick-17b-128e-instruct
exit_code
0

Timing

started_at
2026-06-17T06:11:16.749853Z
ended_at
2026-06-17T06:11:25.911288Z
duration
9.16 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-opencode-polyglot_python-palindrome-check-4o8p4_sf/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-opencode-polyglot_python-palindrome-check-4o8p4_sf/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":9161.435000000001,"container_active_ms":9160.396999999999,"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":0.5669656280575641,"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":9161.435000000001,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.7797708537170944,"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 / 9.16 s
span 0bb0dbd03bd6409aaa6a50a7d38a2a39task_setupprepare:polyglot/python-palindrome-check0 ms → 1 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-opencode-polyglot_python-palindrome-check-4o8p4_sf/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/opencode:v1.15.10·sha256:sha256:e56bdb69f…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/opencode:v1.15.10@sha256:sha256:e56bdb69fb83ea2f8c81c06257f190fd4b5e91077e83d5536f722ff1b9c70275

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/opencode:v1.15.10@sha256:sha256:e56bdb69fb83ea2f8c81c06257f190fd4b5e91077e83d5536f722ff1b9c70275 \
  run-cell \
    --tui opencode \
    --model meta/llama-4-maverick-17b-128e-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.

opencode — BYO endpoint wiring
# Write .opencode/config.json in the task workdir:
# {
#   "providers": {
#     "codingagentbench": {
#       "type": "openai",
#       "options": {
#         "baseURL": "$YOUR_ENDPOINT",
#         "apiKey": "$YOUR_KEY"
#       },
#       "models": [{ "id": "$YOUR_MODEL_ID", "name": "$YOUR_MODEL_ID" }]
#     }
#   }
# }

opencode run \
  --format json \
  --dangerously-skip-permissions \
  -m codingagentbench/$YOUR_MODEL_ID

# 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 opencode \
  --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
0bb0dbd03bd6409aaa6a50a7d38a2a39 task_setup prepare:polyglot/python-palindrome-check 1 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-opencode-polyglot_python-palindrome-check-4o8p4_sf/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
8358973a30e6468d9e8c193ff35bd417 ↳ d9d90f3b4a184f38b1d03f08b62e0a6a tool_call applied_plugins 0 ms {"tui":"opencode","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
8b74758262ff45d6bde67e9ba128e665 ↳ d9d90f3b4a184f38b1d03f08b62e0a6a container opencode-run:polyglot/python-palindrome-check 9161 ms {"image":"codingagentbench/opencode:v1.15.10","model":"meta/llama-4-maverick-17b-128e-instruct","base_url":"http://172.17.0.1:31415/v1","exit_code":0,"duration_s":9.147,"timed_out":false,"image_digest":"sha256:e56bdb69fb83ea2f8c81c06257f190fd4b5e91077e83d5536f722ff1b9c70275"}
d9d90f3b4a184f38b1d03f08b62e0a6a adapter_run opencode:polyglot/python-palindrome-check 9161 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
e773dbc22f7943679698e71d25a18615 cleanup cleanup:opencode 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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