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CodingAgentBench

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

mutations
mutations/python-comparator-swap

Per-axis scores

Pass
1.000
Tokens/correct
—
Wall
348.0s
Blast
0.857
Refusal
—
Integrity
1.000
Composite
0.823

Run identity

cell_id
newmodels-20260620/aider/nvidia/nemotron-3-ultra-550b-a55b/mutations/python-comparator-swap
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
2026-06-20T19:24:18.615253Z
ended_at
2026-06-20T19:30:06.610988Z
duration
348.00 s
prompt_tokens
1,100
completion_tokens
301
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":"","stderr_tail":"test_already_sorted (test_sorter.TestSorter.test_already_sorted) ... ok\ntest_empty (test_sorter.TestSorter.test_empty) ... ok\ntest_ints_ascending (test_sorter.TestSorter.test_ints_ascending) ... ok\ntest_singleton (test_sorter.TestSorter.test_singleton) ... ok\ntest_strings_ascending (test_sorter.TestSorter.test_strings_ascending) ... ok\ntest_with_negatives (test_sorter.TestSorter.test_with_negatives) ... ok\n\n----------------------------------------------------------------------\nRan 6 tests in 0.000s\n\nOK\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":1}
latency wall_clock_ms, container_active_ms, model_call_ms {"wall_clock_ms":347995.73500000004,"container_active_ms":347977.867,"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/sorter.py"],"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/sorter.py"],"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/python-comparator-swap"}
composite composite, weights, components, note {"composite":0.823019925024201,"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":347995.73500000004,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.3915614049232438,"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 / 348.00 s
span eb1f4a30e6c846baab1d3faa030fe481task_setupprepare:mutations/python-comparator-swap0 ms → 17 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-aider-mutations_python-comparator-swap-kunsx3bb/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/python-comparator-swap

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/python-comparator-swap
# 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
eb1f4a30e6c846baab1d3faa030fe481 task_setup prepare:mutations/python-comparator-swap 17 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-aider-mutations_python-comparator-swap-kunsx3bb/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}
54fde5f06cbc4dfc85738744c0cacf1c ↳ c3ec055d55704e16b3097cc6a57013f8 task_setup aider:git-init-marker 0 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-aider-mutations_python-comparator-swap-kunsx3bb/workdir","git_dir_exists":true}
def1f36750ff4c54b246b28c77a7d7e0 ↳ c3ec055d55704e16b3097cc6a57013f8 tool_call applied_plugins 0 ms {"tui":"aider","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
3ff507cf35ae4911afb361fe42ffa5dd ↳ c3ec055d55704e16b3097cc6a57013f8 container aider:launch 347978 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","Operands swapped in a cmp comparator; sort runs in reverse order"],"timeout_s":600,"exit_code":0,"duration_s":347.9489611519966,"timed_out":false}
c3ec055d55704e16b3097cc6a57013f8 adapter_run aider:mutations/python-comparator-swap 347978 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
285f44ecfd6f45fb940468857deb2f4a 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: 1,100 prompt + 301 completion tokens.

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