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CodingAgentBench

crush × stepfun-ai/step-3.5-flash

mutations
mutations/rust-error-negated

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
41.8s
Blast
1.000
Refusal
—
Integrity
1.000
Composite
0.437

Run identity

cell_id
free-20260527/crush/stepfun-ai/step-3.5-flash/mutations/rust-error-negated
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
2026-06-16T16:28:03.409061Z
ended_at
2026-06-16T16:28:45.247654Z
duration
41.84 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::retries_on_error_until_success ... FAILED\ntest tests::gives_up_after_max_attempts ... 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' (3313561) 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::retries_on_error_until_success stdout ----\n\nthread 'tests::retries_on_error_until_success' (3313563) panicked at src/lib.rs:56:9:\nassertion `left == right` failed\n left: Err(\"attempt 0\")\n right: Ok(7)\n\n---- tests::gives_up_after_max_attempts stdout ----\n\nthread 'tests::gives_up_after_max_attempts' (3313562) panicked at src/lib.rs:72:9:\nassertion `left == right` failed\n left: 1\n right: 3\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":41838.593,"container_active_ms":41837.299,"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":"mutations/rust-error-negated"}
composite composite, weights, components, note {"composite":0.4374812466597847,"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":41838.593,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.5832083110652314,"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 / 41.84 s
span 459dffa6b81a4be78372abeb344cb660tool_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 mutations/rust-error-negated

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 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 (5)

Span Kind Name Duration Attrs / Error
213beb871f4f4e2c8e8f784ec946436c task_setup prepare:mutations/rust-error-negated 0 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-crush-mutations_rust-error-negated-vpwjirdn/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}
459dffa6b81a4be78372abeb344cb660 ↳ ce2878b87c574a12ad0a0b2589d0ae71 tool_call applied_plugins 0 ms {"tui":"crush","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
10db5f5e6e344abdbb18080f9374dff0 ↳ ce2878b87c574a12ad0a0b2589d0ae71 container crush-run:mutations/rust-error-negated 41837 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":41.822,"timed_out":false,"image_digest":"sha256:28e141efa8509cd43fd465b035019d1b35d76e97aec19fc90b08211741c7bbf7"}
ce2878b87c574a12ad0a0b2589d0ae71 adapter_run crush:mutations/rust-error-negated 41838 ms {"timeout_s":600,"plugin_stack":[],"exit_code":1}
2f9400b1305f406db8028e6fd6d090a0 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 44%