opencode × stepfun-ai/step-3.5-flash

polyglot

polyglot/rust-error-handling

Per-axis scores

Pass

0.000

Tokens/correct

—

Wall

161.4s

Blast

0.000

Refusal

—

Integrity

1.000

Composite

0.517

Run identity

cell_id: free-20260527/opencode/stepfun-ai/step-3.5-flash/polyglot/rust-error-handling
sweep_id: free-20260527
container_image: codingagentbench/opencode:v1.15.10
image_digest: sha256:e56bdb69fb83ea2f8c81c06257f190fd4b5e91077e83d5536f722ff1b9c70275
model_build_id: stepfun-ai/step-3.5-flash
exit_code: 0

Timing

started_at: 2026-06-16T17:41:56.786708Z
ended_at: 2026-06-16T17:44:38.219671Z
duration: 161.43 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[E0284]: type annotations needed\n --> src/lib.rs:10:17\n \|\n10 \| match v.parse() {\n \| ^^^^^ cannot infer type of the type parameter `F` declared on the method `parse`\n \|\n = note: cannot satisfy `<_ as FromStr>::Err == _`\nhelp: consider specifying the generic argument\n \|\n10 \| match v.parse::<F>() {\n \| +++++\n\nerror: aborting due to 1 previous error\n\nFor more information about this error, try `rustc --explain E0284`.\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":161432.963,"container_active_ms":161422.246,"model_call_ms":0}`
blast_radius	blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir	`{"blast_radius":0,"added":[],"removed":[],"modified":["src/lib.rs"],"unexpected_changes":[],"expected_changes":["src/lib.rs"],"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":"polyglot/rust-error-handling"}`
composite	composite, weights, components, note	{"composite":0.5171413010139121,"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":0,"tokens_per_correct_task":0,"wall_clock_ms":161432.963,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.44760867342608074,"clean_blast":1,"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 / 161.43 s

span a9c80c93bfe0483fa250c9d2218f4662task_setupprepare:polyglot/rust-error-handling0 ms → 1 ms

workdir/home/andrew/.codingagentbench-scratch/codingagentbench-opencode-polyglot_rust-error-handling-kp3b550q/workdir
task_categorypolyglot
plugin_stack[]
behavior_modefactory

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

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Imagecodingagentbench/opencode:v1.15.10·sha256:sha256:e56bdb69f…

docker run — exact image used in this run

# pull the exact image used in this run
docker pull codingagentbench/opencode:v1.15.10@sha256:sha256:e56bdb69fb83ea2f8c81c06257f190fd4b5e91077e83d5536f722ff1b9c70275

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/opencode:v1.15.10@sha256:sha256:e56bdb69fb83ea2f8c81c06257f190fd4b5e91077e83d5536f722ff1b9c70275 \
  run-cell \
    --tui opencode \
    --model stepfun-ai/step-3.5-flash \
    --task polyglot/rust-error-handling

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.

opencode — BYO endpoint wiring

# Write .opencode/config.json in the task workdir:
# {
#   "providers": {
#     "codingagentbench": {
#       "type": "openai",
#       "options": {
#         "baseURL": "$YOUR_ENDPOINT",
#         "apiKey": "$YOUR_KEY"
#       },
#       "models": [{ "id": "$YOUR_MODEL_ID", "name": "$YOUR_MODEL_ID" }]
#     }
#   }
# }

opencode run \
  --format json \
  --dangerously-skip-permissions \
  -m codingagentbench/$YOUR_MODEL_ID

# 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 opencode \
  --model stepfun-ai/step-3.5-flash \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task polyglot/rust-error-handling
# 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
a9c80c93bfe0483fa250c9d2218f4662	task_setup	prepare:polyglot/rust-error-handling	1 ms	`{"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-opencode-polyglot_rust-error-handling-kp3b550q/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}`
0d69e21759d1460fb001ab2f698aeab2 ↳ ed905df7b7c64b358ca733b2fdb2290b	tool_call	applied_plugins	0 ms	`{"tui":"opencode","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}`
4d347ec69bcb43899bdf71f42bf0820d ↳ ed905df7b7c64b358ca733b2fdb2290b	container	opencode-run:polyglot/rust-error-handling	161423 ms	`{"image":"codingagentbench/opencode:v1.15.10","model":"stepfun-ai/step-3.5-flash","base_url":"http://172.17.0.1:31415/v1","exit_code":0,"duration_s":155.83,"timed_out":false,"image_digest":"sha256:e56bdb69fb83ea2f8c81c06257f190fd4b5e91077e83d5536f722ff1b9c70275"}`
ed905df7b7c64b358ca733b2fdb2290b	adapter_run	opencode:polyglot/rust-error-handling	161431 ms	`{"timeout_s":600,"plugin_stack":[],"exit_code":0}`
2177ce91ceff4a509108187af4c15eac	cleanup	cleanup:opencode	1 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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