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CodingAgentBench

goose × stepfun-ai/step-3.5-flash

polyglot
polyglot/java-exception-handling

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
70.9s
Blast
1.000
Refusal
—
Integrity
1.000
Composite
0.429

Run identity

cell_id
free-20260527/goose/stepfun-ai/step-3.5-flash/polyglot/java-exception-handling
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
2026-06-16T17:35:14.518366Z
ended_at
2026-06-16T17:36:25.457645Z
duration
70.94 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 happy returns line\nok happy closes source\nok error propagated\n","stderr_tail":"FAIL error path closes source\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":70939.279,"container_active_ms":70938.39300000001,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":1,"added":["todo.md"],"removed":[],"modified":[],"unexpected_changes":["todo.md"],"expected_changes":[],"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":"polyglot/java-exception-handling"}
composite composite, weights, components, note {"composite":0.4286097877312576,"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":1,"tokens_per_correct_task":0,"wall_clock_ms":70939.279,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.5240652515417175,"clean_blast":0,"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 / 70.94 s
span 22411d07bd92474d8d3301bd6b949548task_setupprepare:polyglot/java-exception-handling0 ms → 0 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-goose-polyglot_java-exception-handling-hys_3das/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/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 polyglot/java-exception-handling

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 polyglot/java-exception-handling
# 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
22411d07bd92474d8d3301bd6b949548 task_setup prepare:polyglot/java-exception-handling 0 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-goose-polyglot_java-exception-handling-hys_3das/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
62023687a7ac4de098080153eec9cffc ↳ 232f34923ac144ea90e7c10b3d5ec6d5 tool_call applied_plugins 0 ms {"tui":"goose","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
a0092d02480348eb8bfaa99a937294d6 ↳ 232f34923ac144ea90e7c10b3d5ec6d5 tool_call goose:extensions 0 ms {"extensions":[],"count":0}
913da28c3ded46fabcb520dcafcaecc9 ↳ 232f34923ac144ea90e7c10b3d5ec6d5 container goose:run 70938 ms {"image":"codingagentbench/goose:v1.35.0","command":["run","--no-session","-t","Resource leak: stream not closed in error path; wrap in try-with-resources"],"exit_code":0,"timed_out":false}
232f34923ac144ea90e7c10b3d5ec6d5 adapter_run goose:polyglot/java-exception-handling 70939 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
6c20f8c913ba45bd8e18e11be1310dfb 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 × stepfun-ai/step-3.5-flash 43%](https://codingagentbench.com/badge/goose/stepfun-ai/step-3.5-flash/polyglot/java-exception-handling.svg)](https://codingagentbench.com/cell/goose/stepfun-ai/step-3.5-flash/polyglot/java-exception-handling)
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<a href="https://codingagentbench.com/cell/goose/stepfun-ai/step-3.5-flash/polyglot/java-exception-handling"><img src="https://codingagentbench.com/badge/goose/stepfun-ai/step-3.5-flash/polyglot/java-exception-handling.svg" alt="CodingAgentBench: goose × stepfun-ai/step-3.5-flash 43%" /></a>
CodingAgentBench: goose × stepfun-ai/step-3.5-flash 43%