openhands × nvidia/llama-3.3-nemotron-super-49b-v1

polyglot

polyglot/go-json-parser-fix

Per-axis scores

Pass

0.000

Tokens/correct

—

Wall

29.3s

Blast

0.000

Refusal

—

Integrity

1.000

Composite

0.544

Run identity

cell_id: free-20260527/openhands/nvidia/llama-3.3-nemotron-super-49b-v1/polyglot/go-json-parser-fix
sweep_id: free-20260527
container_image: codingagentbench/openhands:1.7.0
image_digest: sha256:7fcaf222644a5cb0afffe018f038d270130b5af3b8af366cd960f2d596a4342c
model_build_id: nvidia/llama-3.3-nemotron-super-49b-v1
exit_code: 0

Timing

started_at: 2026-06-16T19:32:19.092872Z
ended_at: 2026-06-16T19:32:48.439339Z
duration: 29.35 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":1,"timed_out":false,"stdout_tail":"--- FAIL: TestMarshal_IncludesZeroCount (0.00s)\n parser_test.go:26: zero count dropped: got map[name:x] want map[count:0 name:x]\n--- FAIL: TestMarshal_EmptyName (0.00s)\n parser_test.go:42: got map[name:] want map[count:0 name:]\nFAIL\nFAIL\tcodingagentbench/gojsonparser\t0.002s\nFAIL\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":29346.467,"container_active_ms":29345.576,"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":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/go-json-parser-fix"}`
composite	composite, weights, components, note	{"composite":0.5440494450713372,"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":29346.467,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.6269963004755821,"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

speedt = 0 ms / 29.35 s

span d7050e82bbce465da023caf6476c4059task_setupprepare:polyglot/go-json-parser-fix0 ms → 1 ms

workdir/home/andrew/.codingagentbench-scratch/codingagentbench-openhands-polyglot_go-json-parser-fix-d3rb8nfc/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/openhands:1.7.0·sha256:sha256:7fcaf2226…

docker run — exact image used in this run

# pull the exact image used in this run
docker pull codingagentbench/openhands:1.7.0@sha256:sha256:7fcaf222644a5cb0afffe018f038d270130b5af3b8af366cd960f2d596a4342c

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/openhands:1.7.0@sha256:sha256:7fcaf222644a5cb0afffe018f038d270130b5af3b8af366cd960f2d596a4342c \
  run-cell \
    --tui openhands \
    --model nvidia/llama-3.3-nemotron-super-49b-v1 \
    --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/llama-3.3-nemotron-super-49b-v1

Zero-install preview — npx CLI (provisional, not for citation)

npx @codingagentbench/cli check

npx @codingagentbench/cli check \
  --tui openhands \
  --model nvidia/llama-3.3-nemotron-super-49b-v1 \
  --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
d7050e82bbce465da023caf6476c4059	task_setup	prepare:polyglot/go-json-parser-fix	1 ms	`{"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-openhands-polyglot_go-json-parser-fix-d3rb8nfc/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}`
a2fb384793a8416c8081337f7af4dc9a ↳ 492b8a662c794149adb94a00f95426b6	tool_call	applied_plugins	0 ms	`{"tui":"openhands","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}`
9105ead57399429bb84060a266ac7c26 ↳ 492b8a662c794149adb94a00f95426b6	container	openhands:run	29346 ms	{"image":"codingagentbench/openhands:1.7.0","command":["/app/.venv/bin/python","/opt/openhands_run.py","-t","JSON parser drops zero-valued fields because of `omitempty` on a required field","--workspace","/workspace"],"deviation":"root+docker.sock; see module docstring","exit_code":0,"timed_out":false,"docker_sock_mounted":true,"read_only":false}
492b8a662c794149adb94a00f95426b6	adapter_run	openhands:polyglot/go-json-parser-fix	29346 ms	`{"timeout_s":600,"plugin_stack":[],"exit_code":0}`
564dca1ce26446d483cfc424dd3252e3	cleanup	cleanup:openhands	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: openhands × nvidia/llama-3.3-nemotron-super-49b-v1 54%](https://codingagentbench.com/badge/openhands/nvidia/llama-3.3-nemotron-super-49b-v1/polyglot/go-json-parser-fix.svg)](https://codingagentbench.com/cell/openhands/nvidia/llama-3.3-nemotron-super-49b-v1/polyglot/go-json-parser-fix)

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<a href="https://codingagentbench.com/cell/openhands/nvidia/llama-3.3-nemotron-super-49b-v1/polyglot/go-json-parser-fix"><img src="https://codingagentbench.com/badge/openhands/nvidia/llama-3.3-nemotron-super-49b-v1/polyglot/go-json-parser-fix.svg" alt="CodingAgentBench: openhands × nvidia/llama-3.3-nemotron-super-49b-v1 54%" /></a>