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CodingAgentBench

codex × nvidia/nemotron-3-super-120b-a12b

mutations
mutations/rust-error-negated
This run timed out — the agent ran but never finished within the harness limit.
ConnectionError: UnixHTTPConnectionPool(host='localhost', port=None): Read timed out.
All scores are reported as recorded. A failed run's zero is an honest measurement.

Per-axis scores

Pass
1.000
Tokens/correct
—
Wall
601.8s
Blast
0.000
Refusal
—
Integrity
1.000
Composite
0.904

Run identity

cell_id
expansion-20260616/codex/nvidia/nemotron-3-super-120b-a12b/mutations/rust-error-negated
sweep_id
expansion-20260616
container_image
codingagentbench/codex:v0.140.0
image_digest
sha256:52116224fbc698acc448343890c4542efcc101a950ef8c8de1eca3e051f228bc
model_build_id
nvidia/nemotron-3-super-120b-a12b
exit_code
-1

Timing

started_at
2026-06-17T00:44:41.640583Z
ended_at
2026-06-17T00:54:43.431580Z
duration
601.79 s
tokens
not recorded

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":"\nrunning 4 tests\ntest tests::first_attempt_ok_returns_immediately ... ok\ntest tests::gives_up_after_max_attempts ... ok\ntest tests::zero_max_attempts_errors ... ok\ntest tests::retries_on_error_until_success ... ok\n\ntest result: ok. 4 passed; 0 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":1}
latency wall_clock_ms, container_active_ms, model_call_ms {"wall_clock_ms":601790.997,"container_active_ms":601776.0650000001,"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":["src/lib.rs"],"unexpected_changes":[],"expected_changes":["src/lib.rs"],"total_changes":1,"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/rust-error-negated"}
composite composite, weights, components, note {"composite":0.9038289794427614,"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,"tokens_per_correct_task":0,"wall_clock_ms":601790.997,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.35885986295174244,"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 / 601.79 s
span 5e0a50aa0cbc4ec4951d7cd9901312d8task_setupprepare:mutations/rust-error-negated0 ms → 15 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-codex-mutations_rust-error-negated-5hdl2uzl/workdir
task_categorymutations
plugin_stack[]
behavior_modefactory

Watch it stall

the agent ran but never finished within the harness timeout

Run it yourself

Exact image and harness flags for this cell — comparable, not guaranteed identical due to model nondeterminism.

Imagecodingagentbench/codex:v0.140.0·sha256:sha256:52116224f…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/codex:v0.140.0@sha256:sha256:52116224fbc698acc448343890c4542efcc101a950ef8c8de1eca3e051f228bc

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/codex:v0.140.0@sha256:sha256:52116224fbc698acc448343890c4542efcc101a950ef8c8de1eca3e051f228bc \
  run-cell \
    --tui codex \
    --model nvidia/nemotron-3-super-120b-a12b \
    --task mutations/rust-error-negated

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-super-120b-a12b
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui codex \
  --model nvidia/nemotron-3-super-120b-a12b \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task mutations/rust-error-negated
# 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
5e0a50aa0cbc4ec4951d7cd9901312d8 task_setup prepare:mutations/rust-error-negated 15 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-codex-mutations_rust-error-negated-5hdl2uzl/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}
e4a2edbcec344b3fae217a38e505d8fe ↳ 971afdd1d91d4e0899c4af021847f80b tool_call applied_plugins 0 ms {"tui":"codex","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
2f7b3ccebdbf4d2badf2d7994891918d ↳ 971afdd1d91d4e0899c4af021847f80b container codex:launch 601776 ms err: ConnectionError: UnixHTTPConnectionPool(host='localhost', port=None): Read timed out.
971afdd1d91d4e0899c4af021847f80b adapter_run codex:mutations/rust-error-negated 601776 ms {"timeout_s":600,"plugin_stack":[],"exit_code":-1,"error":"ConnectionError: UnixHTTPConnectionPool(host='localhost', port=None): Read timed out."}
1b4e7e6da6d04c4e9910f3e510c786ea cleanup cleanup:codex 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: codex × nvidia/nemotron-3-super-120b-a12b 90%