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

polyglot

polyglot/go-json-parser-fix

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

600.5s

Blast

0.500

Refusal

—

Integrity

1.000

Composite

0.854

Run identity

cell_id: expansion-20260616/codex/nvidia/nemotron-3-super-120b-a12b/polyglot/go-json-parser-fix
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: 2026-06-17T00:50:48.649325Z
ended_at: 2026-06-17T01:00:49.159587Z
duration: 600.51 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":"ok \tcodingagentbench/gojsonparser\t0.002s\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":600510.262,"container_active_ms":600497.901,"model_call_ms":0}`
blast_radius	blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir	`{"blast_radius":0.5,"added":["go1.22.2.linux-amd64.tar.gz"],"removed":[],"modified":["parser.go"],"unexpected_changes":["go1.22.2.linux-amd64.tar.gz"],"expected_changes":["parser.go"],"total_changes":2,"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/go-json-parser-fix"}`
composite	composite, weights, components, note	{"composite":0.853846565900914,"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":0.5,"tokens_per_correct_task":0,"wall_clock_ms":600510.262,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.3589771060060926,"clean_blast":0.5,"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

speedt = 0 ms / 600.51 s

span 8f536e7eaf8243889d9d929d783eaa09task_setupprepare:polyglot/go-json-parser-fix0 ms → 12 ms

workdir/home/andrew/.codingagentbench-scratch/codingagentbench-codex-polyglot_go-json-parser-fix-3t4yig9x/workdir
task_categorypolyglot
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 polyglot/go-json-parser-fix

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 polyglot/go-json-parser-fix
# 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
8f536e7eaf8243889d9d929d783eaa09	task_setup	prepare:polyglot/go-json-parser-fix	12 ms	`{"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-codex-polyglot_go-json-parser-fix-3t4yig9x/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}`
533e57138a4a4d818845eab3b4bb1624 ↳ 0bc3567681a44bec88f8c4cdca4f8d7f	tool_call	applied_plugins	0 ms	`{"tui":"codex","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}`
6618a5c0e6924ec1ae20076b36a9fc42 ↳ 0bc3567681a44bec88f8c4cdca4f8d7f	container	codex:launch	600498 ms	err: ConnectionError: UnixHTTPConnectionPool(host='localhost', port=None): Read timed out.
0bc3567681a44bec88f8c4cdca4f8d7f	adapter_run	codex:polyglot/go-json-parser-fix	600498 ms	`{"timeout_s":600,"plugin_stack":[],"exit_code":-1,"error":"ConnectionError: UnixHTTPConnectionPool(host='localhost', port=None): Read timed out."}`
d54d9cbbc8c846df8062eb03850df164	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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README / Markdown

[![CodingAgentBench: codex × nvidia/nemotron-3-super-120b-a12b 85%](https://codingagentbench.com/badge/codex/nvidia/nemotron-3-super-120b-a12b/polyglot/go-json-parser-fix.svg)](https://codingagentbench.com/cell/codex/nvidia/nemotron-3-super-120b-a12b/polyglot/go-json-parser-fix)

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<a href="https://codingagentbench.com/cell/codex/nvidia/nemotron-3-super-120b-a12b/polyglot/go-json-parser-fix"><img src="https://codingagentbench.com/badge/codex/nvidia/nemotron-3-super-120b-a12b/polyglot/go-json-parser-fix.svg" alt="CodingAgentBench: codex × nvidia/nemotron-3-super-120b-a12b 85%" /></a>