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CodingAgentBench

crush × stepfun-ai/step-3.5-flash

polyglot
polyglot/rust-lifetime-fix

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
23.4s
Blast
1.000
Refusal
—
Integrity
1.000
Composite
0.448

Run identity

cell_id
free-20260527/crush/stepfun-ai/step-3.5-flash/polyglot/rust-lifetime-fix
sweep_id
free-20260527
container_image
codingagentbench/crush:v0.72.0
image_digest
sha256:28e141efa8509cd43fd465b035019d1b35d76e97aec19fc90b08211741c7bbf7
model_build_id
stepfun-ai/step-3.5-flash
exit_code
1

Timing

started_at
2026-06-16T16:29:59.071059Z
ended_at
2026-06-16T16:30:22.436397Z
duration
23.36 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":"error[E0106]: missing lifetime specifier\n --> src/lib.rs:3:37\n |\n3 | pub fn longest(a: &str, b: &str) -> &str {\n | ---- ---- ^ expected named lifetime parameter\n |\n = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from `a` or `b`\nhelp: consider introducing a named lifetime parameter\n |\n3 | pub fn longest<'a>(a: &'a str, b: &'a str) -> &'a str {\n | ++++ ++ ++ ++\n\nerror: aborting due to 1 previous error\n\nFor more information about this error, try `rustc --explain E0106`.\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":23365.338,"container_active_ms":23364.124,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":1,"added":[".crush-xdg/crush/crush.json",".crush/.gitignore",".crush/crush.db",".crush/crush.json",".crush/logs/crush.log"],"removed":[],"modified":[],"unexpected_changes":[".crush-xdg/crush/crush.json",".crush/.gitignore",".crush/crush.db",".crush/crush.json",".crush/logs/crush.log"],"expected_changes":[],"total_changes":5,"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":0.4484707150850517,"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":23365.338,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.6564714339003449,"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 / 23.36 s
span 02ea4a32a1694441a55e939a95246348tool_callapplied_plugins0 ms → 0 ms
tuicrush
count0
applied[]
env_keys[]
extra_args[]
applied_count0
skipped_count0

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/crush:v0.72.0·sha256:sha256:28e141efa…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/crush:v0.72.0@sha256:sha256:28e141efa8509cd43fd465b035019d1b35d76e97aec19fc90b08211741c7bbf7

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/crush:v0.72.0@sha256:sha256:28e141efa8509cd43fd465b035019d1b35d76e97aec19fc90b08211741c7bbf7 \
  run-cell \
    --tui crush \
    --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 crush \
  --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 (5)

Span Kind Name Duration Attrs / Error
5922cb31aa0f4e1b8ed8ba42f909a2d7 task_setup prepare:polyglot/rust-lifetime-fix 0 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-crush-polyglot_rust-lifetime-fix-6whwvs25/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
02ea4a32a1694441a55e939a95246348 ↳ 17e10cf157254617af2be7e5ab843a09 tool_call applied_plugins 0 ms {"tui":"crush","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
9a08a31d1c9c4b809721915e6ea4f78f ↳ 17e10cf157254617af2be7e5ab843a09 container crush-run:polyglot/rust-lifetime-fix 23364 ms {"image":"codingagentbench/crush:v0.72.0","model":"stepfun-ai/step-3.5-flash","base_url":"http://172.17.0.1:31415/v1","exit_code":1,"duration_s":23.349,"timed_out":false,"image_digest":"sha256:28e141efa8509cd43fd465b035019d1b35d76e97aec19fc90b08211741c7bbf7"}
17e10cf157254617af2be7e5ab843a09 adapter_run crush:polyglot/rust-lifetime-fix 23365 ms {"timeout_s":600,"plugin_stack":[],"exit_code":1}
086c25d15d444d9ca2fa0088eca28663 cleanup cleanup:crush 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: crush × stepfun-ai/step-3.5-flash 45%