Skip to main content
CodingAgentBench

copilot × openai/gpt-oss-120b

mutations
mutations/java-null-deref

Per-axis scores

Pass
1.000
Tokens/correct
—
Wall
53.8s
Blast
0.000
Refusal
—
Integrity
1.000
Composite
0.933

Run identity

cell_id
expansion-20260616/copilot/openai/gpt-oss-120b/mutations/java-null-deref
sweep_id
expansion-20260616
container_image
codingagentbench/copilot:v1.0.63
image_digest
sha256:6ad0221187dc5c6de50c8aeec50b0eb8eab269c1a681c79efaaa068741a20607
model_build_id
openai/gpt-oss-120b
exit_code
0

Timing

started_at
2026-06-17T01:41:26.173419Z
ended_at
2026-06-17T01:42:19.998703Z
duration
53.83 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 values win over defaults\nok fallback to defaults\nok missing returns null\nok nullDefaultsReturnsNull\nok values still work with null defaults\nok null values, key in defaults\nok null values, missing key\nall tests passed\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":53825.28400000001,"container_active_ms":53811.572,"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/Config.java"],"unexpected_changes":[],"expected_changes":["src/Config.java"],"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/java-null-deref"}
composite composite, weights, components, note {"composite":0.933102826593929,"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":53825.28400000001,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.5540188439595259,"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 / 53.83 s
span 967cdbf2a30d4704a53d44c8d280f4f9task_setupprepare:mutations/java-null-deref0 ms → 13 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-copilot-mutations_java-null-deref-7u77w7ju/workdir
task_categorymutations
plugin_stack[]
behavior_modefactory

Terminal playback

replay of the run — opencode cells show genuine step timing; others show a span summary

Run it yourself

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

Imagecodingagentbench/copilot:v1.0.63·sha256:sha256:6ad022118…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/copilot:v1.0.63@sha256:sha256:6ad0221187dc5c6de50c8aeec50b0eb8eab269c1a681c79efaaa068741a20607

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/copilot:v1.0.63@sha256:sha256:6ad0221187dc5c6de50c8aeec50b0eb8eab269c1a681c79efaaa068741a20607 \
  run-cell \
    --tui copilot \
    --model openai/gpt-oss-120b \
    --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: openai/gpt-oss-120b
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui copilot \
  --model openai/gpt-oss-120b \
  --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 (5)

Span Kind Name Duration Attrs / Error
967cdbf2a30d4704a53d44c8d280f4f9 task_setup prepare:mutations/java-null-deref 13 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-copilot-mutations_java-null-deref-7u77w7ju/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}
0f035da9473c481a9d7656879b36ce0a ↳ 0638e086cd79488390449c39e1741270 tool_call applied_plugins 0 ms {"tui":"copilot","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
f41d9850012243a8a9e93cc29bc1a17c ↳ 0638e086cd79488390449c39e1741270 container copilot:launch 53812 ms {"image":"codingagentbench/copilot:v1.0.63","argv":["-p","Critical null guard deleted before defaults.get() — NPE on caller-supplied null defaults","--allow-all"],"timeout_s":600,"exit_code":0,"duration_s":53.795644844009075,"timed_out":false}
0638e086cd79488390449c39e1741270 adapter_run copilot:mutations/java-null-deref 53812 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
1a4063739fab4d978778b327a732309d cleanup cleanup:copilot 0 ms {}

Model calls (0)

# Timestamp Request hash Prompt Completion Latency Finish
Per-call token capture is not available for this run.

Other CLIs on this task

Other models with this CLI

Other tasks in this category

Embed this result
README / Markdown
[![CodingAgentBench: copilot × openai/gpt-oss-120b 93%](https://codingagentbench.com/badge/copilot/openai/gpt-oss-120b/mutations/java-null-deref.svg)](https://codingagentbench.com/cell/copilot/openai/gpt-oss-120b/mutations/java-null-deref)
HTML / iframe
<a href="https://codingagentbench.com/cell/copilot/openai/gpt-oss-120b/mutations/java-null-deref"><img src="https://codingagentbench.com/badge/copilot/openai/gpt-oss-120b/mutations/java-null-deref.svg" alt="CodingAgentBench: copilot × openai/gpt-oss-120b 93%" /></a>
CodingAgentBench: copilot × openai/gpt-oss-120b 93%