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CodingAgentBench

goose × meta/llama-4-maverick-17b-128e-instruct

mutations
mutations/java-null-deref

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
1.2s
Blast
0.000
Refusal
—
Integrity
1.000
Composite
0.593

Run identity

cell_id
expansion-20260616/goose/meta/llama-4-maverick-17b-128e-instruct/mutations/java-null-deref
sweep_id
expansion-20260616
container_image
codingagentbench/goose:v1.35.0
image_digest
sha256:b105cf72a2cb923875ba8896a68c835b29025d9e24e7fb39ca95856ec105a3a6
model_build_id
meta/llama-4-maverick-17b-128e-instruct
exit_code
0

Timing

started_at
2026-06-17T04:56:38.318270Z
ended_at
2026-06-17T04:56:39.539997Z
duration
1.22 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":"ok values win over defaults\nok fallback to defaults\nok missing returns null\nok null values, key in defaults\nok null values, missing key\n","stderr_tail":"FAIL nullDefaultsReturnsNull threw NPE: null\n1 test(s) failed\n","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":1221.727,"container_active_ms":1220.9540000000002,"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":"mutations/java-null-deref"}
composite composite, weights, components, note {"composite":0.5928490209972953,"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":1221.727,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.9523268066486354,"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 / 1.22 s
span 752c9529de674d1b92cb386dd0e3353cadapter_rungoose:mutations/java-null-deref0 ms → 1.22 s
timeout_s600
plugin_stack[]
exit_code0

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/goose:v1.35.0·sha256:sha256:b105cf72a…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/goose:v1.35.0@sha256:sha256:b105cf72a2cb923875ba8896a68c835b29025d9e24e7fb39ca95856ec105a3a6

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/goose:v1.35.0@sha256:sha256:b105cf72a2cb923875ba8896a68c835b29025d9e24e7fb39ca95856ec105a3a6 \
  run-cell \
    --tui goose \
    --model meta/llama-4-maverick-17b-128e-instruct \
    --task mutations/java-null-deref

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: meta/llama-4-maverick-17b-128e-instruct
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui goose \
  --model meta/llama-4-maverick-17b-128e-instruct \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task mutations/java-null-deref
# provisional score — not for citation

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

Trace spans (6)

Span Kind Name Duration Attrs / Error
a51683c1e9194dfe8f7cf0b8e5b89f83 task_setup prepare:mutations/java-null-deref 0 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-goose-mutations_java-null-deref-xa222uno/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}
fae4aff87c3d449d9886ab93d997da1f ↳ 752c9529de674d1b92cb386dd0e3353c tool_call applied_plugins 0 ms {"tui":"goose","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
636aa3a013424a9f8bcf5861c2a83c26 ↳ 752c9529de674d1b92cb386dd0e3353c tool_call goose:extensions 0 ms {"extensions":[],"count":0}
92ccdb32b5d2491ebb98973b77a3e491 ↳ 752c9529de674d1b92cb386dd0e3353c container goose:run 1221 ms {"image":"codingagentbench/goose:v1.35.0","command":["run","--no-session","-t","Critical null guard deleted before defaults.get() — NPE on caller-supplied null defaults"],"exit_code":0,"timed_out":false}
752c9529de674d1b92cb386dd0e3353c adapter_run goose:mutations/java-null-deref 1221 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
b1043cf87b93478ab664659ed435c90a cleanup cleanup:goose 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: goose × meta/llama-4-maverick-17b-128e-instruct 59%