opencode × nvidia/nemotron-3-super-120b-a12b

polyglot

polyglot/python-reverse-string

This run timed out — the agent ran but never finished within the harness limit.

adapter timed out after 630s (outer guard)

All scores are reported as recorded. A failed run's zero is an honest measurement.

Per-axis scores

Pass

0.000

Tokens/correct

—

Wall

657.9s

Blast

0.000

Refusal

—

Integrity

1.000

Composite

0.503

Run identity

cell_id: free-20260527/opencode/nvidia/nemotron-3-super-120b-a12b/polyglot/python-reverse-string
sweep_id: free-20260527
container_image: —
image_digest: —
model_build_id: nvidia/nemotron-3-super-120b-a12b
exit_code: -1

Timing

started_at: 2026-06-16T17:45:00.299367Z
ended_at: 2026-06-16T17:55:58.184329Z
duration: 657.88 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_empty (test_reverse.TestReverse.test_empty) ... ok\ntest_palindrome_stays (test_reverse.TestReverse.test_palindrome_stays) ... ok\ntest_single_char (test_reverse.TestReverse.test_single_char) ... ok\ntest_unicode (test_reverse.TestReverse.test_unicode) ... FAIL\ntest_with_spaces (test_reverse.TestReverse.test_with_spaces) ... FAIL\ntest_word (test_reverse.TestReverse.test_word) ... FAIL\n\n======================================================================\nFAIL: test_unicode (test_reverse.TestReverse.test_unicode)\n----------------------------------------------------------------------\nTraceback (most recent call last):\n File \"/home/andrew/.codingagentbench-scratch/codingagentbench-opencode-polyglot_python-reverse-string-7uqog6qz/workdir/tests/test_reverse.py\", line 27, in test_unicode\n self.assertEqual(reverse(\"héllo\"), \"olléh\")\nAssertionError: 'héllo' != 'olléh'\n- héllo\n+ olléh\n\n\n======================================================================\nFAIL: test_with_spaces (test_reverse.TestReverse.test_with_spaces)\n----------------------------------------------------------------------\nTraceback (most recent call last):\n File \"/home/andrew/.codingagentbench-scratch/codingagentbench-opencode-polyglot_python-reverse-string-7uqog6qz/workdir/tests/test_reverse.py\", line 24, in test_with_spaces\n self.assertEqual(reverse(\"ab cd\"), \"dc ba\")\nAssertionError: 'ab cd' != 'dc ba'\n- ab cd\n+ dc ba\n\n\n======================================================================\nFAIL: test_word (test_reverse.TestReverse.test_word)\n----------------------------------------------------------------------\nTraceback (most recent call last):\n File \"/home/andrew/.codingagentbench-scratch/codingagentbench-opencode-polyglot_python-reverse-string-7uqog6qz/workdir/tests/test_reverse.py\", line 18, in test_word\n self.assertEqual(reverse(\"hello\"), \"olleh\")\nAssertionError: 'hello' != 'olleh'\n- hello\n+ olleh\n\n\n----------------------------------------------------------------------\nRan 6 tests in 0.003s\n\nFAILED (failures=3)\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":657884.9619999999,"container_active_ms":655613.682,"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-reverse-string"}`
composite	composite, weights, components, note	{"composite":0.5031029530853514,"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":657884.9619999999,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.3540196872356755,"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 / 657.88 s

span ab2f4ff884654340b46cf77300f58e06task_setupprepare:polyglot/python-reverse-string0 ms → 1 ms

workdir/home/andrew/.codingagentbench-scratch/codingagentbench-opencode-polyglot_python-reverse-string-7uqog6qz/workdir
task_categorypolyglot
plugin_stack[]
behavior_modefactory

Watch it stall

the agent ran but never finished within the harness timeout

Run it yourself

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

Imagecodingagentbench/opencode

docker run — exact image used in this run

# digest unavailable for this cell — image may have changed
docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/opencode \
  run-cell \
    --tui opencode \
    --model nvidia/nemotron-3-super-120b-a12b \
    --task polyglot/python-reverse-string

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: nvidia/nemotron-3-super-120b-a12b

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

npx @codingagentbench/cli check

npx @codingagentbench/cli check \
  --tui opencode \
  --model nvidia/nemotron-3-super-120b-a12b \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task polyglot/python-reverse-string
# 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
ab2f4ff884654340b46cf77300f58e06	task_setup	prepare:polyglot/python-reverse-string	1 ms	`{"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-opencode-polyglot_python-reverse-string-7uqog6qz/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}`
fecaa5d916a74499af29633a8811f43c ↳ 0f4e70f6b91d486bb60f4e8abaa573f0	tool_call	applied_plugins	0 ms	`{"tui":"opencode","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}`
2a0ea288ce1040e58e097fbe66280017 ↳ 0f4e70f6b91d486bb60f4e8abaa573f0	container	opencode-run:polyglot/python-reverse-string	655614 ms	`{"image":"codingagentbench/opencode:v1.15.10","model":"nvidia/nemotron-3-super-120b-a12b","base_url":"http://172.17.0.1:31415/v1"}`
0f4e70f6b91d486bb60f4e8abaa573f0	adapter_run	opencode:polyglot/python-reverse-string	657883 ms	`{"timeout_s":600,"plugin_stack":[],"exit_code":-1,"error":"adapter timed out after 630s (outer guard)"}`
fe8e883d6186471a83dd9d4b499eb158	cleanup	cleanup:opencode	1 ms	`{}`

Model calls (0)

#	Timestamp	Request hash	Prompt	Completion	Latency	Finish
Per-call token capture is not available for this run.

Other CLIs on this task

Other models with this CLI

Other tasks in this category

Embed this result

README / Markdown

[![CodingAgentBench: opencode × nvidia/nemotron-3-super-120b-a12b 50%](https://codingagentbench.com/badge/opencode/nvidia/nemotron-3-super-120b-a12b/polyglot/python-reverse-string.svg)](https://codingagentbench.com/cell/opencode/nvidia/nemotron-3-super-120b-a12b/polyglot/python-reverse-string)

HTML / iframe

<a href="https://codingagentbench.com/cell/opencode/nvidia/nemotron-3-super-120b-a12b/polyglot/python-reverse-string"><img src="https://codingagentbench.com/badge/opencode/nvidia/nemotron-3-super-120b-a12b/polyglot/python-reverse-string.svg" alt="CodingAgentBench: opencode × nvidia/nemotron-3-super-120b-a12b 50%" /></a>