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CodingAgentBench

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

polyglot
polyglot/rust-error-handling

Per-axis scores

Pass
0.000
Tokens/correct
Wall
87.5s
Blast
1.000
Refusal
Integrity
1.000
Composite
0.425

Run identity

cell_id
newmodels-20260620/plandex/nvidia/nemotron-3-ultra-550b-a55b/polyglot/rust-error-handling
sweep_id
newmodels-20260620
container_image
codingagentbench/plandex:v2.2.1
image_digest
sha256:4b86de012d4a8e3f013a6fbb1ba37b9431e110dfc33d06dc3e0f94c70c0d8327
model_build_id
nvidia/nemotron-3-ultra-550b-a55b
exit_code
1

Timing

started_at
2026-06-20T23:07:55.929597Z
ended_at
2026-06-20T23:09:23.399841Z
duration
87.47 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":101,"timed_out":false,"stdout_tail":"\nrunning 5 tests\ntest tests::bad_input_reports_index_and_value ... FAILED\ntest tests::bad_input_does_not_panic ... FAILED\ntest tests::empty ... ok\ntest tests::happy_path ... ok\ntest tests::negative_numbers ... ok\n\nfailures:\n\n---- tests::bad_input_reports_index_and_value stdout ----\n\nthread 'tests::bad_input_reports_index_and_value' (4109163) panicked at src/lib.rs:12:32:\ncalled `Result::unwrap()` on an `Err` value: ParseIntError { kind: InvalidDigit }\n\n---- tests::bad_input_does_not_panic stdout ----\n\nthread 'tests::bad_input_does_not_panic' (4109162) panicked at src/lib.rs:12:32:\ncalled `Result::unwrap()` on an `Err` value: ParseIntError { kind: InvalidDigit }\nnote: run with `RUST_BACKTRACE=1` environment variable to display a backtrace\n\n\nfailures:\n tests::bad_input_does_not_panic\n tests::bad_input_reports_index_and_value\n\ntest result: FAILED. 3 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s\n\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":0}
latency wall_clock_ms, container_active_ms, model_call_ms {"wall_clock_ms":87470.24399999999,"container_active_ms":87469.51899999999,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":1,"added":[".plandex-v2/projects-v2.json"],"removed":[],"modified":[],"unexpected_changes":[".plandex-v2/projects-v2.json"],"expected_changes":[],"total_changes":1,"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/rust-error-handling"}
composite composite, weights, components, note {"composite":0.42541963282910455,"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":1,"tokens_per_correct_task":0,"wall_clock_ms":87470.24399999999,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.5027975521940304,"clean_blast":0,"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 / 87.47 s
span 2c690fa7590f4fff9b9dfb2d3f8c971atask_setupprepare:polyglot/rust-error-handling0 ms0 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-polyglot_rust-error-handling-qfo183y8/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/plandex:v2.2.1·sha256:sha256:4b86de012…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/plandex:v2.2.1@sha256:sha256:4b86de012d4a8e3f013a6fbb1ba37b9431e110dfc33d06dc3e0f94c70c0d8327

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/plandex:v2.2.1@sha256:sha256:4b86de012d4a8e3f013a6fbb1ba37b9431e110dfc33d06dc3e0f94c70c0d8327 \
  run-cell \
    --tui plandex \
    --model nvidia/nemotron-3-ultra-550b-a55b \
    --task polyglot/rust-error-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-ultra-550b-a55b
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui plandex \
  --model nvidia/nemotron-3-ultra-550b-a55b \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task polyglot/rust-error-handling
# provisional score — not for citation

Provisional score — not for citation. Use the Docker or Harness CLI path for citable results.

Trace spans (7)

Span Kind Name Duration Attrs / Error
2c690fa7590f4fff9b9dfb2d3f8c971a task_setup prepare:polyglot/rust-error-handling 0 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-polyglot_rust-error-handling-qfo183y8/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
136d92df23cf41b886d6786b7993812d ↳ 332a7789ec6f42f18cd79a9bdf1a6291 tool_call applied_plugins 0 ms {"tui":"plandex","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
87b949a92a554a0bbbcfc60113e18bfa ↳ ee8c4621537444f7a9c5e7c302c1d68f container plandex:phase=plan 0 ms {"phase":"plan","argv":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Function uses unwrap on user input; replace with proper Result propagation"],"kind":"plan-first"}
c7f6e75be2624011aad2a76bd3b00b61 ↳ ee8c4621537444f7a9c5e7c302c1d68f container plandex:phase=execute 0 ms {"phase":"execute","argv":["plandex","build",";","plandex","apply"],"auto_confirm":true}
ee8c4621537444f7a9c5e7c302c1d68f ↳ 332a7789ec6f42f18cd79a9bdf1a6291 container plandex:pipeline 87469 ms {"image":"codingagentbench/plandex:v2.2.1","timeout_s":600,"plan_phase_cmd":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Function uses unwrap on user input; replace with proper Result propagation"],"exec_phase_cmd":["plandex","build",";","plandex","apply"],"exit_code":1,"duration_s":87.44910133298254,"timed_out":false,"plan_phase_done":false,"execute_phase_done":false}
332a7789ec6f42f18cd79a9bdf1a6291 adapter_run plandex:polyglot/rust-error-handling 87469 ms {"timeout_s":600,"plugin_stack":[],"exit_code":1}
829b3d62af3c48a39325e934649d50c1 cleanup cleanup:plandex 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: plandex × nvidia/nemotron-3-ultra-550b-a55b 43%