Skip to main content
CodingAgentBench

pi × openai/gpt-oss-120b

mutations
mutations/java-null-deref

Per-axis scores

Pass
1.000
Tokens/correct
Wall
11.0s
Blast
0.000
Refusal
Integrity
1.000
Composite
0.963

Run identity

cell_id
expansion-20260616/pi/openai/gpt-oss-120b/mutations/java-null-deref
sweep_id
expansion-20260616
container_image
codingagentbench/pi:v0.73.1
image_digest
sha256:272792a5fb41b2290cf7f75c094471fc9bc9933cefdb77c68c5122bbfa2044e6
model_build_id
openai/gpt-oss-120b
exit_code
0

Timing

started_at
2026-06-17T03:08:59.582713Z
ended_at
2026-06-17T03:09:10.577088Z
duration
10.99 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":10994.375,"container_active_ms":10982.456,"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":0.9634556124915286,"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":10994.375,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.756370749943523,"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 / 10.99 s
span daab7c24fa28472d89526be4471b38c2task_setupprepare:mutations/java-null-deref0 ms12 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-pi-mutations_java-null-deref-rmz17y_k/workdir
task_categorymutations
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/pi:v0.73.1·sha256:sha256:272792a5f…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/pi:v0.73.1@sha256:sha256:272792a5fb41b2290cf7f75c094471fc9bc9933cefdb77c68c5122bbfa2044e6

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/pi:v0.73.1@sha256:sha256:272792a5fb41b2290cf7f75c094471fc9bc9933cefdb77c68c5122bbfa2044e6 \
  run-cell \
    --tui pi \
    --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 pi \
  --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
daab7c24fa28472d89526be4471b38c2 task_setup prepare:mutations/java-null-deref 12 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-pi-mutations_java-null-deref-rmz17y_k/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}
a47f9de4530442c6820455e3fca6a50a ↳ 0f1ecdd9dbc94d179b74ebbc35e4e24a tool_call applied_plugins 0 ms {"tui":"pi","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
c5a3a0bbc572463f94a8e31a817e1e55 ↳ 0f1ecdd9dbc94d179b74ebbc35e4e24a container pi:launch 10982 ms {"image":"codingagentbench/pi:v0.73.1","argv":["--print","--no-session","--offline","--provider","nim","--model","openai/gpt-oss-120b","--api-key","sk-ijYE3GGIl2pTqBtwcCcuaIsZzYIIFrIWLMG3qmOK","Critical null guard deleted before defaults.get() — NPE on caller-supplied null defaults"],"timeout_s":600,"exit_code":0,"duration_s":10.967033900000388,"timed_out":false}
0f1ecdd9dbc94d179b74ebbc35e4e24a adapter_run pi:mutations/java-null-deref 10983 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
793bc6ae85564f499bfdd0c69821006f cleanup cleanup:pi 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: pi × openai/gpt-oss-120b 96%](https://codingagentbench.com/badge/pi/openai/gpt-oss-120b/mutations/java-null-deref.svg)](https://codingagentbench.com/cell/pi/openai/gpt-oss-120b/mutations/java-null-deref)
HTML / iframe
<a href="https://codingagentbench.com/cell/pi/openai/gpt-oss-120b/mutations/java-null-deref"><img src="https://codingagentbench.com/badge/pi/openai/gpt-oss-120b/mutations/java-null-deref.svg" alt="CodingAgentBench: pi × openai/gpt-oss-120b 96%" /></a>
CodingAgentBench: pi × openai/gpt-oss-120b 96%