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CodingAgentBench

plandex × stepfun-ai/step-3.5-flash

polyglot
polyglot/ts-generic-utility

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
104.5s
Blast
1.000
Refusal
—
Integrity
1.000
Composite
0.423

Run identity

cell_id
free-20260527/plandex/stepfun-ai/step-3.5-flash/polyglot/ts-generic-utility
sweep_id
free-20260527
container_image
codingagentbench/plandex:v2.2.1
image_digest
sha256:d1d67c7f86699ccffd8fd7f6dca598ef449ca37bc377e42f7d1f0ef3cd4aaee2
model_build_id
stepfun-ai/step-3.5-flash
exit_code
0

Timing

started_at
2026-06-16T19:38:33.230991Z
ended_at
2026-06-16T19:40:17.695802Z
duration
104.47 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":104464.811,"container_active_ms":104463.716,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":1,"added":[".plandex-v2/projects-v2.json","build/src/group_by.js","build/tests/group_by.test.js"],"removed":[],"modified":[],"unexpected_changes":[".plandex-v2/projects-v2.json","build/src/group_by.js","build/tests/group_by.test.js"],"expected_changes":[],"total_changes":3,"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":0.4228625056961117,"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":104464.811,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.4857500379740785,"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 / 104.46 s
span a37f6c64aa304a829e9dff105020ee0badapter_runplandex:polyglot/ts-generic-utility0 ms → 104.46 s
timeout_s600
plugin_stack[]
exit_code0

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/plandex:v2.2.1·sha256:sha256:d1d67c7f8…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/plandex:v2.2.1@sha256:sha256:d1d67c7f86699ccffd8fd7f6dca598ef449ca37bc377e42f7d1f0ef3cd4aaee2

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/plandex:v2.2.1@sha256:sha256:d1d67c7f86699ccffd8fd7f6dca598ef449ca37bc377e42f7d1f0ef3cd4aaee2 \
  run-cell \
    --tui plandex \
    --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 plandex \
  --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 (7)

Span Kind Name Duration Attrs / Error
d5d96ba95c0a4512b040788ec94b5d71 task_setup prepare:polyglot/ts-generic-utility 0 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-polyglot_ts-generic-utility-_93d7z0e/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
0d451a00ccd74e6f8b66d1319197395d ↳ a37f6c64aa304a829e9dff105020ee0b tool_call applied_plugins 0 ms {"tui":"plandex","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
874c436843e04289842a42ebf0ddd86e ↳ 5f0ee47ca4254c529aaf3b1313ef93cc container plandex:phase=plan 0 ms {"phase":"plan","argv":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Implement groupBy<T, K> using a key extractor; current impl loses generic K and forces all keys to string"],"kind":"plan-first"}
052b630bfe2e4f3e91a751d5ccd5a5fd ↳ 5f0ee47ca4254c529aaf3b1313ef93cc container plandex:phase=execute 0 ms {"phase":"execute","argv":["plandex","build",";","plandex","apply"],"auto_confirm":true}
5f0ee47ca4254c529aaf3b1313ef93cc ↳ a37f6c64aa304a829e9dff105020ee0b container plandex:pipeline 104464 ms {"image":"codingagentbench/plandex:v2.2.1","timeout_s":600,"plan_phase_cmd":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Implement groupBy<T, K> using a key extractor; current impl loses generic K and forces all keys to string"],"exec_phase_cmd":["plandex","build",";","plandex","apply"],"exit_code":0,"duration_s":103.96554021499469,"timed_out":false,"plan_phase_done":true,"execute_phase_done":true}
a37f6c64aa304a829e9dff105020ee0b adapter_run plandex:polyglot/ts-generic-utility 104464 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
6ff1d5dad33f4410bbcf99a3ad593c8c cleanup cleanup:plandex 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: plandex × stepfun-ai/step-3.5-flash 42%