plandex × stepfun-ai/step-3.5-flash

mutations

mutations/rust-error-negated

Per-axis scores

Pass

0.000

Tokens/correct

—

Wall

108.3s

Blast

1.000

Refusal

—

Integrity

1.000

Composite

0.422

Run identity

cell_id: free-20260527/plandex/stepfun-ai/step-3.5-flash/mutations/rust-error-negated
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: 2026-06-16T19:36:02.600974Z
ended_at: 2026-06-16T19:37:50.858865Z
duration: 108.26 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":101,"timed_out":false,"stdout_tail":"\nrunning 4 tests\ntest tests::first_attempt_ok_returns_immediately ... FAILED\ntest tests::gives_up_after_max_attempts ... FAILED\ntest tests::retries_on_error_until_success ... FAILED\ntest tests::zero_max_attempts_errors ... ok\n\nfailures:\n\n---- tests::first_attempt_ok_returns_immediately stdout ----\n\nthread 'tests::first_attempt_ok_returns_immediately' (116620) panicked at src/lib.rs:38:9:\nassertion `left == right` failed\n left: 5\n right: 1\nnote: run with `RUST_BACKTRACE=1` environment variable to display a backtrace\n\n---- tests::gives_up_after_max_attempts stdout ----\n\nthread 'tests::gives_up_after_max_attempts' (116621) panicked at src/lib.rs:72:9:\nassertion `left == right` failed\n left: 1\n right: 3\n\n---- tests::retries_on_error_until_success stdout ----\n\nthread 'tests::retries_on_error_until_success' (116622) panicked at src/lib.rs:56:9:\nassertion `left == right` failed\n left: Err(\"attempt 0\")\n right: Ok(7)\n\n\nfailures:\n tests::first_attempt_ok_returns_immediately\n tests::gives_up_after_max_attempts\n tests::retries_on_error_until_success\n\ntest result: FAILED. 1 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s\n\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":108257.891,"container_active_ms":108257.147,"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"],"removed":[],"modified":[],"unexpected_changes":[".plandex-v2/projects-v2.json"],"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":"mutations/rust-error-negated"}`
composite	composite, weights, components, note	{"composite":0.42236483002658576,"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":108257.891,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.4824322001772387,"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 / 108.26 s

span 6ab865b4b6694e87a77e8da877e5ebbaadapter_runplandex:mutations/rust-error-negated0 ms → 108.26 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 mutations/rust-error-negated

Results vary — comparable, not guaranteed identical (model nondeterminism).

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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 mutations/rust-error-negated
# 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
3a25840c504e4be281b592add24c4bcf	task_setup	prepare:mutations/rust-error-negated	0 ms	`{"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-mutations_rust-error-negated-xusng6rx/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}`
fe9692c9f51d4107830dd6c6b6918a16 ↳ 6ab865b4b6694e87a77e8da877e5ebba	tool_call	applied_plugins	0 ms	`{"tui":"plandex","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}`
2483bdd3ce5c42249d2aa65d1817688c ↳ 042f57152e604f0cbfbd5abdf29a50e5	container	plandex:phase=plan	0 ms	`{"phase":"plan","argv":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Retry loop condition negated: retries on success, gives up on error"],"kind":"plan-first"}`
942e956e036f42ce8dcccd2d1ea56e06 ↳ 042f57152e604f0cbfbd5abdf29a50e5	container	plandex:phase=execute	0 ms	`{"phase":"execute","argv":["plandex","build",";","plandex","apply"],"auto_confirm":true}`
042f57152e604f0cbfbd5abdf29a50e5 ↳ 6ab865b4b6694e87a77e8da877e5ebba	container	plandex:pipeline	108257 ms	`{"image":"codingagentbench/plandex:v2.2.1","timeout_s":600,"plan_phase_cmd":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Retry loop condition negated: retries on success, gives up on error"],"exec_phase_cmd":["plandex","build",";","plandex","apply"],"exit_code":0,"duration_s":108.23370054599945,"timed_out":false,"plan_phase_done":true,"execute_phase_done":true}`
6ab865b4b6694e87a77e8da877e5ebba	adapter_run	plandex:mutations/rust-error-negated	108257 ms	`{"timeout_s":600,"plugin_stack":[],"exit_code":0}`
a869e6334c3c4081b1ee773793b0bc1d	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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