plandex × stepfun-ai/step-3.5-flash

polyglot

polyglot/rust-lifetime-fix

Per-axis scores

Pass

1.000

Tokens/correct

—

Wall

408.9s

Blast

0.500

Refusal

—

Integrity

1.000

Composite

0.857

Run identity

cell_id: free-20260527/plandex/stepfun-ai/step-3.5-flash/polyglot/rust-lifetime-fix
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: 2026-06-16T19:38:09.372430Z
ended_at: 2026-06-16T19:44:58.258605Z
duration: 408.89 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":"\nrunning 3 tests\ntest tests::empty_left ... ok\ntest tests::picks_longer ... ok\ntest tests::ties_pick_left ... ok\n\ntest result: ok. 3 passed; 0 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":1}`
latency	wall_clock_ms, container_active_ms, model_call_ms	`{"wall_clock_ms":408886.175,"container_active_ms":408885.499,"model_call_ms":0}`
blast_radius	blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir	`{"blast_radius":0.5,"added":[".plandex-v2/projects-v2.json"],"removed":[],"modified":["src/lib.rs"],"unexpected_changes":[".plandex-v2/projects-v2.json"],"expected_changes":["src/lib.rs"],"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/rust-lifetime-fix"}`
composite	composite, weights, components, note	{"composite":0.8572061428918156,"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":0.5,"tokens_per_correct_task":0,"wall_clock_ms":408886.175,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.38137428594543676,"clean_blast":0.5,"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 / 408.89 s

span f61257954de749e7a95c8393368a406acontainerplandex:phase=plan0 ms → 1 ms

phaseplan
argv["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Missing explicit lifetime annotation prevents a longest-string helper from compiling"]
kindplan-first

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/rust-lifetime-fix

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/rust-lifetime-fix
# 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
f634da978e1e4d3e903401c8b9a24cb3	task_setup	prepare:polyglot/rust-lifetime-fix	0 ms	`{"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-polyglot_rust-lifetime-fix-9rwq3szp/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}`
7d79deb020504c7f8fea003b61ecb420 ↳ f22fe11021eb4a1cb4a83ce298d7a81c	tool_call	applied_plugins	0 ms	`{"tui":"plandex","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}`
f61257954de749e7a95c8393368a406a ↳ 8156c5cc6dac45209b5a83ab5725f4bc	container	plandex:phase=plan	1 ms	`{"phase":"plan","argv":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Missing explicit lifetime annotation prevents a longest-string helper from compiling"],"kind":"plan-first"}`
9c411d57ca8544c89c0453a95a16d633 ↳ 8156c5cc6dac45209b5a83ab5725f4bc	container	plandex:phase=execute	0 ms	`{"phase":"execute","argv":["plandex","build",";","plandex","apply"],"auto_confirm":true}`
8156c5cc6dac45209b5a83ab5725f4bc ↳ f22fe11021eb4a1cb4a83ce298d7a81c	container	plandex:pipeline	408886 ms	`{"image":"codingagentbench/plandex:v2.2.1","timeout_s":600,"plan_phase_cmd":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Missing explicit lifetime annotation prevents a longest-string helper from compiling"],"exec_phase_cmd":["plandex","build",";","plandex","apply"],"exit_code":0,"duration_s":408.8520805610169,"timed_out":false,"plan_phase_done":true,"execute_phase_done":true}`
f22fe11021eb4a1cb4a83ce298d7a81c	adapter_run	plandex:polyglot/rust-lifetime-fix	408886 ms	`{"timeout_s":600,"plugin_stack":[],"exit_code":0}`
d23325a8d091493f94c3aaae465651e7	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 86%](https://codingagentbench.com/badge/plandex/stepfun-ai/step-3.5-flash/polyglot/rust-lifetime-fix.svg)](https://codingagentbench.com/cell/plandex/stepfun-ai/step-3.5-flash/polyglot/rust-lifetime-fix)

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