aider × nvidia/nemotron-3-ultra-550b-a55b

mutations

mutations/java-null-deref

Per-axis scores

Pass

1.000

Tokens/correct

—

Wall

153.8s

Blast

0.857

Refusal

—

Integrity

1.000

Composite

0.832

Run identity

cell_id: newmodels-20260620/aider/nvidia/nemotron-3-ultra-550b-a55b/mutations/java-null-deref
sweep_id: newmodels-20260620
container_image: codingagentbench/aider:v0.86.0
image_digest: sha256:f2cd27890475900f9cb617b1c7a6328989a48e8168e7280ac2247a5d2d26d8a1
model_build_id: nvidia/nemotron-3-ultra-550b-a55b
exit_code: 0

Timing

started_at: 2026-06-20T19:23:58.726651Z
ended_at: 2026-06-20T19:26:32.515065Z
duration: 153.79 s
prompt_tokens: 1,300
completion_tokens: 430
tokens source: TUI stdout

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":153788.414,"container_active_ms":145758.397,"model_call_ms":0}`
blast_radius	blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir	{"blast_radius":0.8571428571428571,"added":[".aider.chat.history.md",".aider.input.history",".aider.tags.cache.v4/cache.db",".aider/analytics.json",".aider/caches/model_prices_and_context_window.json",".aider/installs.json"],"removed":[],"modified":["src/Config.java"],"unexpected_changes":[".aider.chat.history.md",".aider.input.history",".aider.tags.cache.v4/cache.db",".aider/analytics.json",".aider/caches/model_prices_and_context_window.json",".aider/installs.json"],"expected_changes":["src/Config.java"],"total_changes":7,"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":0.832027727376067,"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":0.8571428571428571,"tokens_per_correct_task":0,"wall_clock_ms":153788.414,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.45161342060235027,"clean_blast":0.1428571428571429,"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 / 153.79 s

span 938d4ebc835143ecb2b56ca3e011f3f5task_setupprepare:mutations/java-null-deref0 ms → 17 ms

workdir/home/andrew/.codingagentbench-scratch/codingagentbench-aider-mutations_java-null-deref-ihpmdhep/workdir
task_categorymutations
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/aider:v0.86.0·sha256:sha256:f2cd27890…

docker run — exact image used in this run

# pull the exact image used in this run
docker pull codingagentbench/aider:v0.86.0@sha256:sha256:f2cd27890475900f9cb617b1c7a6328989a48e8168e7280ac2247a5d2d26d8a1

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/aider:v0.86.0@sha256:sha256:f2cd27890475900f9cb617b1c7a6328989a48e8168e7280ac2247a5d2d26d8a1 \
  run-cell \
    --tui aider \
    --model nvidia/nemotron-3-ultra-550b-a55b \
    --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-ultra-550b-a55b

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

npx @codingagentbench/cli check

npx @codingagentbench/cli check \
  --tui aider \
  --model nvidia/nemotron-3-ultra-550b-a55b \
  --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 (6)

Span	Kind	Name	Duration	Attrs / Error
938d4ebc835143ecb2b56ca3e011f3f5	task_setup	prepare:mutations/java-null-deref	17 ms	`{"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-aider-mutations_java-null-deref-ihpmdhep/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}`
e80ae84138864622b43bec3408f5d6fd ↳ 1ef608d6e2f341e5a4c2306da9fb5124	task_setup	aider:git-init-marker	0 ms	`{"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-aider-mutations_java-null-deref-ihpmdhep/workdir","git_dir_exists":true}`
aac3634405264faf96aa87d4041badca ↳ 1ef608d6e2f341e5a4c2306da9fb5124	tool_call	applied_plugins	0 ms	`{"tui":"aider","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}`
498c8b03ebb14fe3a3d2b2dd1ba5cba1 ↳ 1ef608d6e2f341e5a4c2306da9fb5124	container	aider:launch	145759 ms	{"image":"codingagentbench/aider:v0.86.0","argv":["--yes-always","--no-stream","--no-check-update","--no-analytics","--no-show-model-warnings","--no-suggest-shell-commands","--no-auto-commits","--no-pretty","--openai-api-base","http://172.17.0.1:31415/v1","--openai-api-key","sk-ijYE3GGIl2pTqBtwcCcuaIsZzYIIFrIWLMG3qmOK","--model","openai/nvidia/nemotron-3-ultra-550b-a55b","--subtree-only","--message","Critical null guard deleted before defaults.get() — NPE on caller-supplied null defaults"],"timeout_s":600,"exit_code":0,"duration_s":142.2638518109452,"timed_out":false}
1ef608d6e2f341e5a4c2306da9fb5124	adapter_run	aider:mutations/java-null-deref	153771 ms	`{"timeout_s":600,"plugin_stack":[],"exit_code":0}`
61f4a04299dc4f7f850ed9bfc51cd08f	cleanup	cleanup:aider	0 ms	`{}`

Model calls (0)

#	Timestamp	Request hash	Prompt	Completion	Latency	Finish
Per-call records not captured for this run. TUI-reported session totals: 1,300 prompt + 430 completion tokens.

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