openhands × stepfun-ai/step-3.5-flash

polyglot

polyglot/ts-generic-utility

Per-axis scores

Pass

0.000

Tokens/correct

—

Wall

492.4s

Blast

0.833

Refusal

—

Integrity

1.000

Composite

0.422

Run identity

cell_id: free-20260527/openhands/stepfun-ai/step-3.5-flash/polyglot/ts-generic-utility
sweep_id: free-20260527
container_image: codingagentbench/openhands:1.7.0
image_digest: sha256:7fcaf222644a5cb0afffe018f038d270130b5af3b8af366cd960f2d596a4342c
model_build_id: stepfun-ai/step-3.5-flash
exit_code: 0

Timing

started_at: 2026-06-16T19:10:10.263609Z
ended_at: 2026-06-16T19:18:22.682382Z
duration: 492.42 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":"","stderr_tail":"rm: cannot remove 'build/src/group_by.js': Permission denied\nrm: cannot remove 'build/tests/group_by.test.js': Permission denied\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":492418.773,"container_active_ms":492417.352,"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/group_by.js","build/tests/group_by.test.js","package-lock.json"],"removed":[],"modified":["package.json","src/group_by.ts","tsconfig.json"],"unexpected_changes":["build/src/group_by.js","build/tests/group_by.test.js","package-lock.json","package.json","tsconfig.json"],"expected_changes":["src/group_by.ts"],"total_changes":6,"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-generic-utility"}`
composite	composite, weights, components, note	{"composite":0.4222002996305207,"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":0.8333333333333334,"tokens_per_correct_task":0,"wall_clock_ms":492418.773,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.370224219759027,"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 / 492.42 s

span 99d48280773347898831831f212c63a7task_setupprepare:polyglot/ts-generic-utility0 ms → 1 ms

workdir/home/andrew/.codingagentbench-scratch/codingagentbench-openhands-polyglot_ts-generic-utility-w78zuheo/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/openhands:1.7.0·sha256:sha256:7fcaf2226…

docker run — exact image used in this run

# pull the exact image used in this run
docker pull codingagentbench/openhands:1.7.0@sha256:sha256:7fcaf222644a5cb0afffe018f038d270130b5af3b8af366cd960f2d596a4342c

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/openhands:1.7.0@sha256:sha256:7fcaf222644a5cb0afffe018f038d270130b5af3b8af366cd960f2d596a4342c \
  run-cell \
    --tui openhands \
    --model stepfun-ai/step-3.5-flash \
    --task polyglot/ts-generic-utility

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 openhands \
  --model stepfun-ai/step-3.5-flash \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task polyglot/ts-generic-utility
# 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
99d48280773347898831831f212c63a7	task_setup	prepare:polyglot/ts-generic-utility	1 ms	`{"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-openhands-polyglot_ts-generic-utility-w78zuheo/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}`
60a6cb7c3851441ab774411a9905e383 ↳ 53103111c15e486eb7fc870569d49cad	tool_call	applied_plugins	0 ms	`{"tui":"openhands","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}`
294dd4d1b98f4d5cac2020b11c4725aa ↳ 53103111c15e486eb7fc870569d49cad	container	openhands:run	492417 ms	`{"image":"codingagentbench/openhands:1.7.0","command":["/app/.venv/bin/python","/opt/openhands_run.py","-t","Implement groupBy<T, K> using a key extractor; current impl loses generic K and forces all keys to string","--workspace","/workspace"],"deviation":"root+docker.sock; see module docstring","exit_code":0,"timed_out":false,"docker_sock_mounted":true,"read_only":false}`
53103111c15e486eb7fc870569d49cad	adapter_run	openhands:polyglot/ts-generic-utility	492418 ms	`{"timeout_s":600,"plugin_stack":[],"exit_code":0}`
8d8cede495b94c5b98cd139a2e6f2655	cleanup	cleanup:openhands	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: openhands × stepfun-ai/step-3.5-flash 42%](https://codingagentbench.com/badge/openhands/stepfun-ai/step-3.5-flash/polyglot/ts-generic-utility.svg)](https://codingagentbench.com/cell/openhands/stepfun-ai/step-3.5-flash/polyglot/ts-generic-utility)

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