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CodingAgentBench

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

polyglot
polyglot/rust-error-handling
Provider rate limit (HTTP 429) — the agent exhausted its retries before doing any work. Infra, not capability: other TUIs drive this same model fine.
All scores are reported as recorded. A failed run's zero is an honest measurement.

Per-axis scores

Pass
0.000
Tokens/correct
Wall
142.6s
Blast
0.000
Refusal
Integrity
1.000
Composite
0.519

Run identity

cell_id
newmodels-20260620/pi/nvidia/nemotron-3-ultra-550b-a55b/polyglot/rust-error-handling
sweep_id
newmodels-20260620
container_image
codingagentbench/pi:v0.73.1
image_digest
sha256:272792a5fb41b2290cf7f75c094471fc9bc9933cefdb77c68c5122bbfa2044e6
model_build_id
nvidia/nemotron-3-ultra-550b-a55b
exit_code
1

Timing

started_at
2026-06-21T01:45:55.574296Z
ended_at
2026-06-21T01:48:18.202173Z
duration
142.63 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_does_not_panic ... FAILED\ntest tests::bad_input_reports_index_and_value ... FAILED\ntest tests::empty ... ok\ntest tests::negative_numbers ... ok\ntest tests::happy_path ... ok\n\nfailures:\n\n---- tests::bad_input_does_not_panic stdout ----\n\nthread 'tests::bad_input_does_not_panic' (464502) 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---- tests::bad_input_reports_index_and_value stdout ----\n\nthread 'tests::bad_input_reports_index_and_value' (464503) panicked at src/lib.rs:12:32:\ncalled `Result::unwrap()` on an `Err` value: ParseIntError { kind: InvalidDigit }\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":142627.877,"container_active_ms":142606.30000000002,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":0,"added":[],"removed":[],"modified":[],"unexpected_changes":[],"expected_changes":[],"total_changes":0,"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/rust-error-handling"}
composite composite, weights, components, note {"composite":0.5186928346896993,"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,"tokens_per_correct_task":0,"wall_clock_ms":142627.877,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.4579522312646623,"clean_blast":1,"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 / 142.63 s
span 4f2c8fed4dd244de9683df38a51f93cctask_setupprepare:polyglot/rust-error-handling0 ms21 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-pi-polyglot_rust-error-handling-9y3wohj2/workdir
task_categorypolyglot
plugin_stack[]
behavior_modefactory

Watch it get throttled

the agent exhausted its retries against the provider's rate limit (HTTP 429) before doing any work
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/pi:v0.73.1·sha256:sha256:272792a5f…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/pi:v0.73.1@sha256:sha256:272792a5fb41b2290cf7f75c094471fc9bc9933cefdb77c68c5122bbfa2044e6

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/pi:v0.73.1@sha256:sha256:272792a5fb41b2290cf7f75c094471fc9bc9933cefdb77c68c5122bbfa2044e6 \
  run-cell \
    --tui pi \
    --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 pi \
  --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 (5)

Span Kind Name Duration Attrs / Error
4f2c8fed4dd244de9683df38a51f93cc task_setup prepare:polyglot/rust-error-handling 21 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-pi-polyglot_rust-error-handling-9y3wohj2/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
1a213d0879a1460db310a744bbe0e479 ↳ 1f22a910691047fca3ba391e746ab592 tool_call applied_plugins 0 ms {"tui":"pi","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
8c6dffcd73034ce7b141334c971e3729 ↳ 1f22a910691047fca3ba391e746ab592 container pi:launch 142607 ms {"image":"codingagentbench/pi:v0.73.1","argv":["--print","--no-session","--offline","--provider","nim","--model","nvidia/nemotron-3-ultra-550b-a55b","--api-key","sk-ijYE3GGIl2pTqBtwcCcuaIsZzYIIFrIWLMG3qmOK","Function uses unwrap on user input; replace with proper Result propagation"],"timeout_s":600,"exit_code":1,"duration_s":142.58321192499716,"timed_out":false}
1f22a910691047fca3ba391e746ab592 adapter_run pi:polyglot/rust-error-handling 142607 ms {"timeout_s":600,"plugin_stack":[],"exit_code":1}
ed1baa95aa5c43778fb21d8a06bcebd3 cleanup cleanup:pi 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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