Skip to main content
CodingAgentBench

goose × stepfun-ai/step-3.5-flash

mutations
mutations/java-null-deref

Per-axis scores

Pass
1.000
Tokens/correct
—
Wall
109.6s
Blast
0.000
Refusal
—
Integrity
1.000
Composite
0.922

Run identity

cell_id
free-20260527/goose/stepfun-ai/step-3.5-flash/mutations/java-null-deref
sweep_id
free-20260527
container_image
codingagentbench/goose:v1.35.0
image_digest
sha256:b105cf72a2cb923875ba8896a68c835b29025d9e24e7fb39ca95856ec105a3a6
model_build_id
stepfun-ai/step-3.5-flash
exit_code
0

Timing

started_at
2026-06-16T17:34:57.031966Z
ended_at
2026-06-16T17:36:46.585509Z
duration
109.55 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":109553.543,"container_active_ms":109552.849,"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":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":0.9221999956837206,"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":109553.543,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.4813333045581369,"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 / 109.55 s
span 44078b18700e4d8bbe6e88d9b6fa8e42task_setupprepare:mutations/java-null-deref0 ms → 1 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-goose-mutations_java-null-deref-ywnykgup/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/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 stepfun-ai/step-3.5-flash \
    --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: stepfun-ai/step-3.5-flash
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui goose \
  --model stepfun-ai/step-3.5-flash \
  --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
44078b18700e4d8bbe6e88d9b6fa8e42 task_setup prepare:mutations/java-null-deref 1 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-goose-mutations_java-null-deref-ywnykgup/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}
672b18ead91142c59ac2b3e9114e6140 ↳ f8e4f9c69a494530b85e05b7f17d37ba tool_call applied_plugins 0 ms {"tui":"goose","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
130eea2d732a424bbc916bdd0809e403 ↳ f8e4f9c69a494530b85e05b7f17d37ba tool_call goose:extensions 0 ms {"extensions":[],"count":0}
adcc3fa1e23f4142a030ba16486514e9 ↳ f8e4f9c69a494530b85e05b7f17d37ba container goose:run 109553 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}
f8e4f9c69a494530b85e05b7f17d37ba adapter_run goose:mutations/java-null-deref 109553 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
5d121df9ffff45088b7c78b44230f651 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.

Other CLIs on this task

Other models with this CLI

Other tasks in this category

Embed this result
README / Markdown
[![CodingAgentBench: goose × stepfun-ai/step-3.5-flash 92%](https://codingagentbench.com/badge/goose/stepfun-ai/step-3.5-flash/mutations/java-null-deref.svg)](https://codingagentbench.com/cell/goose/stepfun-ai/step-3.5-flash/mutations/java-null-deref)
HTML / iframe
<a href="https://codingagentbench.com/cell/goose/stepfun-ai/step-3.5-flash/mutations/java-null-deref"><img src="https://codingagentbench.com/badge/goose/stepfun-ai/step-3.5-flash/mutations/java-null-deref.svg" alt="CodingAgentBench: goose × stepfun-ai/step-3.5-flash 92%" /></a>
CodingAgentBench: goose × stepfun-ai/step-3.5-flash 92%