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CodingAgentBench

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

polyglot
polyglot/java-exception-handling
Provider rate limit (HTTP 429) — the agent exhausted its retries before doing any work. Infra, not capability: other TUIs drive this same model fine.
All scores are reported as recorded. A failed run's zero is an honest measurement.

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
238.2s
Blast
0.000
Refusal
—
Integrity
1.000
Composite
0.513

Run identity

cell_id
free-20260527/openhands/nvidia/nemotron-3-super-120b-a12b/polyglot/java-exception-handling
sweep_id
free-20260527
container_image
codingagentbench/openhands:1.7.0
image_digest
sha256:7fcaf222644a5cb0afffe018f038d270130b5af3b8af366cd960f2d596a4342c
model_build_id
nvidia/nemotron-3-super-120b-a12b
exit_code
1

Timing

started_at
2026-06-16T19:16:18.252682Z
ended_at
2026-06-16T19:20:16.496438Z
duration
238.24 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":"ok happy returns line\nok happy closes source\nok error propagated\n","stderr_tail":"FAIL error path closes source\n1 test(s) failed\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":238243.756,"container_active_ms":238238.049,"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/java-exception-handling"}
composite composite, weights, components, note {"composite":0.5126336619667907,"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":238243.756,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.4175577464452719,"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 / 238.24 s
span 974d510fcdce412a8c2a6a28161b14c4task_setupprepare:polyglot/java-exception-handling0 ms → 5 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-openhands-polyglot_java-exception-handling-ljjc2p69/workdir
task_categorypolyglot
plugin_stack[]
behavior_modefactory

Watch it get throttled

the agent exhausted its retries against the provider's rate limit (HTTP 429) before doing any work
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/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 nvidia/nemotron-3-super-120b-a12b \
    --task polyglot/java-exception-handling

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: nvidia/nemotron-3-super-120b-a12b
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui openhands \
  --model nvidia/nemotron-3-super-120b-a12b \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task polyglot/java-exception-handling
# 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
974d510fcdce412a8c2a6a28161b14c4 task_setup prepare:polyglot/java-exception-handling 5 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-openhands-polyglot_java-exception-handling-ljjc2p69/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
943fdec162ce42c18559760f2e42505b ↳ a2bbe0124ea54a1f8d377123d080d92a tool_call applied_plugins 0 ms {"tui":"openhands","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
e0ac1d2c2b2b4ab28e360c19a654fa8a ↳ a2bbe0124ea54a1f8d377123d080d92a container openhands:run 238238 ms {"image":"codingagentbench/openhands:1.7.0","command":["/app/.venv/bin/python","/opt/openhands_run.py","-t","Resource leak: stream not closed in error path; wrap in try-with-resources","--workspace","/workspace"],"deviation":"root+docker.sock; see module docstring","exit_code":1,"timed_out":false,"docker_sock_mounted":true,"read_only":false}
a2bbe0124ea54a1f8d377123d080d92a adapter_run openhands:polyglot/java-exception-handling 238239 ms {"timeout_s":600,"plugin_stack":[],"exit_code":1}
16f391acecfc4c93966ab13f3e7e55f3 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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CodingAgentBench: openhands × nvidia/nemotron-3-super-120b-a12b 51%