qwen-code × stepfun-ai/step-3.5-flash

polyglot

polyglot/ts-type-narrowing

Per-axis scores

Pass

1.000

Tokens/correct

—

Wall

234.0s

Blast

0.833

Refusal

—

Integrity

1.000

Composite

0.829

Run identity

cell_id: free-20260527/qwen-code/stepfun-ai/step-3.5-flash/polyglot/ts-type-narrowing
sweep_id: free-20260527
container_image: codingagentbench/qwen-code:v0.16.1
image_digest: sha256:597f01dba22092cfdcfc7a593f2c5a658a9e647bae60709f04aaba33622c961d
model_build_id: stepfun-ai/step-3.5-flash
exit_code: 0

Timing

started_at: 2026-06-16T20:45:01.083542Z
ended_at: 2026-06-16T20:48:55.049047Z
duration: 233.97 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":"✔ square (0.534847ms)\n✔ circle (0.125929ms)\n✔ rect uses widthheight not widthwidth (0.106793ms)\n✔ rect 1x10 (0.082987ms)\nℹ tests 4\nℹ suites 0\nℹ pass 4\nℹ fail 0\nℹ cancelled 0\nℹ skipped 0\nℹ todo 0\nℹ duration_ms 53.732109\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":233965.505,"container_active_ms":233949.836,"model_call_ms":0}`
blast_radius	blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir	`{"blast_radius":0.8333333333333334,"added":["build/src/shape.js","build/tests/shape.test.js","package-lock.json"],"removed":[],"modified":["package.json","src/shape.ts","tsconfig.json"],"unexpected_changes":["build/src/shape.js","build/tests/shape.test.js","package-lock.json","package.json","tsconfig.json"],"expected_changes":["src/shape.ts"],"total_changes":6,"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":"polyglot/ts-type-narrowing"}`
composite	composite, weights, components, note	{"composite":0.8294984071428622,"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":0.8333333333333334,"tokens_per_correct_task":0,"wall_clock_ms":233965.505,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.4188782698413021,"clean_blast":0.16666666666666663,"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 / 233.97 s

span ce421ee867844b218f2ae933616d3077task_setupprepare:polyglot/ts-type-narrowing0 ms → 15 ms

workdir/home/andrew/.codingagentbench-scratch/codingagentbench-qwen-code-polyglot_ts-type-narrowing-uj6kdfpi/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/qwen-code:v0.16.1·sha256:sha256:597f01dba…

docker run — exact image used in this run

# pull the exact image used in this run
docker pull codingagentbench/qwen-code:v0.16.1@sha256:sha256:597f01dba22092cfdcfc7a593f2c5a658a9e647bae60709f04aaba33622c961d

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/qwen-code:v0.16.1@sha256:sha256:597f01dba22092cfdcfc7a593f2c5a658a9e647bae60709f04aaba33622c961d \
  run-cell \
    --tui qwen-code \
    --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 qwen-code \
  --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 (5)

Span	Kind	Name	Duration	Attrs / Error
ce421ee867844b218f2ae933616d3077	task_setup	prepare:polyglot/ts-type-narrowing	15 ms	`{"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-qwen-code-polyglot_ts-type-narrowing-uj6kdfpi/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}`
296a05879f2c44ae8d792e29b3f84ddc ↳ 254834a45b114f28a68021bc1539fbf7	tool_call	applied_plugins	0 ms	`{"tui":"qwen-code","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}`
33d987c1a1d64d6b9368e1ffff96745f ↳ 254834a45b114f28a68021bc1539fbf7	container	qwen-code:run	233949 ms	`{"image":"codingagentbench/qwen-code:v0.16.1","command":["-p","Discriminated union not narrowed properly; switch falls through to default and returns wrong result","--yolo"],"model":"stepfun-ai/step-3.5-flash","exit_code":0,"timed_out":false}`
254834a45b114f28a68021bc1539fbf7	adapter_run	qwen-code:polyglot/ts-type-narrowing	233950 ms	`{"timeout_s":600,"plugin_stack":[],"exit_code":0}`
9a16ee83346b4fa9b64155c09dbc7985	cleanup	cleanup:qwen-code	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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README / Markdown

[![CodingAgentBench: qwen-code × stepfun-ai/step-3.5-flash 83%](https://codingagentbench.com/badge/qwen-code/stepfun-ai/step-3.5-flash/polyglot/ts-type-narrowing.svg)](https://codingagentbench.com/cell/qwen-code/stepfun-ai/step-3.5-flash/polyglot/ts-type-narrowing)

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