Skip to main content
CodingAgentBench

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

polyglot
polyglot/java-null-safety

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
479.6s
Blast
0.857
Refusal
—
Integrity
1.000
Composite
0.420

Run identity

cell_id
newmodels-20260620/aider/nvidia/nemotron-3-ultra-550b-a55b/polyglot/java-null-safety
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
2026-06-20T19:27:38.980979Z
ended_at
2026-06-20T19:35:38.553666Z
duration
479.57 s
prompt_tokens
1,200
completion_tokens
1,100
tokens source
TUI stdout

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 normal\nok null user\nok null title\n","stderr_tail":"FAIL null name: expected Hi, Dr. friend got Hi, Dr. \nFAIL both null: expected Hi, friend got Hi, \n2 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":479572.687,"container_active_ms":479545.865,"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/UserGreeter.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/UserGreeter.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":"polyglot/java-null-safety"}
composite composite, weights, components, note {"composite":0.4200515860606486,"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":0.8571428571428571,"tokens_per_correct_task":0,"wall_clock_ms":479572.687,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.371772478499562,"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
t = 0 ms / 479.57 s
span fb491a2e9db241e1ba2894ef65b5beeetask_setupprepare:polyglot/java-null-safety0 ms → 26 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-aider-polyglot_java-null-safety-4jk_9ied/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/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 polyglot/java-null-safety

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 polyglot/java-null-safety
# 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
fb491a2e9db241e1ba2894ef65b5beee task_setup prepare:polyglot/java-null-safety 26 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-aider-polyglot_java-null-safety-4jk_9ied/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
a7719eb808924e2cbc5255f913fa34af ↳ e410f854d300469c83cc5c3b535c2e69 task_setup aider:git-init-marker 0 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-aider-polyglot_java-null-safety-4jk_9ied/workdir","git_dir_exists":true}
865fa51e07ac40bb8910c4c6ed18f74e ↳ e410f854d300469c83cc5c3b535c2e69 tool_call applied_plugins 0 ms {"tui":"aider","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
63123a6091574ca1a5d8d64d2fba76cc ↳ e410f854d300469c83cc5c3b535c2e69 container aider:launch 479546 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","User class lookup crashes on null fields; rewrite to return empty string instead of NPE"],"timeout_s":600,"exit_code":0,"duration_s":479.5200753500103,"timed_out":false}
e410f854d300469c83cc5c3b535c2e69 adapter_run aider:polyglot/java-null-safety 479546 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
ad67caec03f8455287bf340700642afd 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: 1,200 prompt + 1,100 completion tokens.

Other CLIs on this task

Other models with this CLI

Other tasks in this category

Embed this result
README / Markdown
[![CodingAgentBench: aider × nvidia/nemotron-3-ultra-550b-a55b 42%](https://codingagentbench.com/badge/aider/nvidia/nemotron-3-ultra-550b-a55b/polyglot/java-null-safety.svg)](https://codingagentbench.com/cell/aider/nvidia/nemotron-3-ultra-550b-a55b/polyglot/java-null-safety)
HTML / iframe
<a href="https://codingagentbench.com/cell/aider/nvidia/nemotron-3-ultra-550b-a55b/polyglot/java-null-safety"><img src="https://codingagentbench.com/badge/aider/nvidia/nemotron-3-ultra-550b-a55b/polyglot/java-null-safety.svg" alt="CodingAgentBench: aider × nvidia/nemotron-3-ultra-550b-a55b 42%" /></a>
CodingAgentBench: aider × nvidia/nemotron-3-ultra-550b-a55b 42%