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CodingAgentBench

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

mutations
mutations/java-null-deref

Per-axis scores

Pass
1.000
Tokens/correct
—
Wall
289.6s
Blast
0.500
Refusal
—
Integrity
1.000
Composite
0.861

Run identity

cell_id
expansion-20260616/copilot/nvidia/nemotron-3-super-120b-a12b/mutations/java-null-deref
sweep_id
expansion-20260616
container_image
codingagentbench/copilot:v1.0.63
image_digest
sha256:6ad0221187dc5c6de50c8aeec50b0eb8eab269c1a681c79efaaa068741a20607
model_build_id
nvidia/nemotron-3-super-120b-a12b
exit_code
0

Timing

started_at
2026-06-17T01:40:44.455735Z
ended_at
2026-06-17T01:45:34.030006Z
duration
289.57 s
tokens
not recorded

Scorer breakdown

Axis Keys Values
pass_rate pass, exit_code, timed_out, stdout_tail, stderr_tail, partial_score {"pass":1,"exit_code":0,"timed_out":false,"stdout_tail":"ok values win over defaults\nok fallback to defaults\nok missing returns null\nok nullDefaultsReturnsNull\nok values still work with null defaults\nok null values, key in defaults\nok null values, missing key\nall tests passed\n","stderr_tail":"","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":1}
latency wall_clock_ms, container_active_ms, model_call_ms {"wall_clock_ms":289574.271,"container_active_ms":289561.665,"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":["Config.java"],"removed":[],"modified":["src/Config.java"],"unexpected_changes":["Config.java"],"expected_changes":["src/Config.java"],"total_changes":2,"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/java-null-deref"}
composite composite, weights, components, note {"composite":0.8605692415759166,"weights":{"pass_rate":0.4,"integrity":0.2,"cost":0.15,"latency":0.15,"blast_radius":0.1},"components":{"pass_rate":1,"integrity":1,"blast_radius":0.5,"tokens_per_correct_task":0,"wall_clock_ms":289574.271,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.403794943839443,"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 / 289.57 s
span 18cc5086378742ca8a00971899256a2btask_setupprepare:mutations/java-null-deref0 ms → 12 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-copilot-mutations_java-null-deref-ff09m9o7/workdir
task_categorymutations
plugin_stack[]
behavior_modefactory

Terminal playback

replay of the run — opencode cells show genuine step timing; others show a span summary

Run it yourself

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

Imagecodingagentbench/copilot:v1.0.63·sha256:sha256:6ad022118…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/copilot:v1.0.63@sha256:sha256:6ad0221187dc5c6de50c8aeec50b0eb8eab269c1a681c79efaaa068741a20607

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/copilot:v1.0.63@sha256:sha256:6ad0221187dc5c6de50c8aeec50b0eb8eab269c1a681c79efaaa068741a20607 \
  run-cell \
    --tui copilot \
    --model nvidia/nemotron-3-super-120b-a12b \
    --task mutations/java-null-deref

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 copilot \
  --model nvidia/nemotron-3-super-120b-a12b \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task mutations/java-null-deref
# 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
18cc5086378742ca8a00971899256a2b task_setup prepare:mutations/java-null-deref 12 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-copilot-mutations_java-null-deref-ff09m9o7/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}
b4db693872f94221bdd93a6f8a9e6c7d ↳ 38ea1938423447de9c6b6b7124089f50 tool_call applied_plugins 0 ms {"tui":"copilot","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
a85cf7a27b9b433fa2145212066a2805 ↳ 38ea1938423447de9c6b6b7124089f50 container copilot:launch 289561 ms {"image":"codingagentbench/copilot:v1.0.63","argv":["-p","Critical null guard deleted before defaults.get() — NPE on caller-supplied null defaults","--allow-all"],"timeout_s":600,"exit_code":0,"duration_s":289.5422356459894,"timed_out":false}
38ea1938423447de9c6b6b7124089f50 adapter_run copilot:mutations/java-null-deref 289562 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
78ec6e4bb2d347829e14afc8adf5db2b cleanup cleanup:copilot 1 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: copilot × nvidia/nemotron-3-super-120b-a12b 86%