goose × stepfun-ai/step-3.5-flash

polyglot

polyglot/ts-type-narrowing

Per-axis scores

Pass

0.000

Tokens/correct

—

Wall

59.2s

Blast

1.000

Refusal

—

Integrity

1.000

Composite

0.432

Run identity

cell_id: free-20260527/goose/stepfun-ai/step-3.5-flash/polyglot/ts-type-narrowing
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: 2026-06-16T17:36:27.185313Z
ended_at: 2026-06-16T17:37:26.344099Z
duration: 59.16 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":2,"timed_out":false,"stdout_tail":"tsconfig.json(5,25): error TS5107: Option 'moduleResolution=node10' is deprecated and will stop functioning in TypeScript 7.0. Specify compilerOption '\"ignoreDeprecations\": \"6.0\"' to silence this error.\n Visit https://aka.ms/ts6 for migration information.\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":0}`
latency	wall_clock_ms, container_active_ms, model_call_ms	`{"wall_clock_ms":59158.786,"container_active_ms":59157.739,"model_call_ms":0}`
blast_radius	blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir	`{"blast_radius":1,"added":["build/src/shape.js","build/tests/shape.test.js"],"removed":[],"modified":[],"unexpected_changes":["build/src/shape.js","build/tests/shape.test.js"],"expected_changes":[],"total_changes":2,"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/ts-type-narrowing"}`
composite	composite, weights, components, note	{"composite":0.4315285024005868,"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":59158.786,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.5435233493372458,"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

speedt = 0 ms / 59.16 s

span 704d08e922a3441b89d01aaa8b51bbcdtask_setupprepare:polyglot/ts-type-narrowing0 ms → 0 ms

workdir/home/andrew/.codingagentbench-scratch/codingagentbench-goose-polyglot_ts-type-narrowing-kpb2gonp/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/ts-type-narrowing

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/ts-type-narrowing
# 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
704d08e922a3441b89d01aaa8b51bbcd	task_setup	prepare:polyglot/ts-type-narrowing	0 ms	`{"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-goose-polyglot_ts-type-narrowing-kpb2gonp/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}`
e16ae899fef14c3baff14c07d5ffbd4f ↳ 863a306df00345059d6c422d9dea427b	tool_call	applied_plugins	0 ms	`{"tui":"goose","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}`
7a951a5cd34648b384e313a3d45e3cac ↳ 863a306df00345059d6c422d9dea427b	tool_call	goose:extensions	0 ms	`{"extensions":[],"count":0}`
36288fb73eaf49e19ffedd96f85e8bda ↳ 863a306df00345059d6c422d9dea427b	container	goose:run	59157 ms	`{"image":"codingagentbench/goose:v1.35.0","command":["run","--no-session","-t","Discriminated union not narrowed properly; switch falls through to default and returns wrong result"],"exit_code":0,"timed_out":false}`
863a306df00345059d6c422d9dea427b	adapter_run	goose:polyglot/ts-type-narrowing	59159 ms	`{"timeout_s":600,"plugin_stack":[],"exit_code":0}`
78bc69bcea9441fc9515c79f46b8caf7	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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Other models with this CLI

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README / Markdown

[![CodingAgentBench: goose × stepfun-ai/step-3.5-flash 43%](https://codingagentbench.com/badge/goose/stepfun-ai/step-3.5-flash/polyglot/ts-type-narrowing.svg)](https://codingagentbench.com/cell/goose/stepfun-ai/step-3.5-flash/polyglot/ts-type-narrowing)

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<a href="https://codingagentbench.com/cell/goose/stepfun-ai/step-3.5-flash/polyglot/ts-type-narrowing"><img src="https://codingagentbench.com/badge/goose/stepfun-ai/step-3.5-flash/polyglot/ts-type-narrowing.svg" alt="CodingAgentBench: goose × stepfun-ai/step-3.5-flash 43%" /></a>