opencode × qwen/qwen3.5-397b-a17b

mutations

mutations/go-binary-search-offbyone

This run timed out — the agent ran but never finished within the harness limit.

ConnectionError: UnixHTTPConnectionPool(host='localhost', port=None): Read timed out.

All scores are reported as recorded. A failed run's zero is an honest measurement.

Per-axis scores

Pass

0.000

Tokens/correct

—

Wall

600.9s

Blast

0.000

Refusal

—

Integrity

1.000

Composite

0.504

Run identity

cell_id: newmodels-20260620/opencode/qwen/qwen3.5-397b-a17b/mutations/go-binary-search-offbyone
sweep_id: newmodels-20260620
container_image: codingagentbench/opencode:v1.15.10
image_digest: sha256:e56bdb69fb83ea2f8c81c06257f190fd4b5e91077e83d5536f722ff1b9c70275
model_build_id: qwen/qwen3.5-397b-a17b
exit_code: -1

Timing

started_at: 2026-06-20T21:19:06.156381Z
ended_at: 2026-06-20T21:29:07.026885Z
duration: 600.87 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":"--- FAIL: TestSearch_RightmostElement (0.00s)\n search_test.go:19: got -1 want 4\n--- FAIL: TestSearch_Single (0.00s)\n search_test.go:31: got -1 want 0\nFAIL\nFAIL\tcodingagentbench/gobinarysearch\t0.003s\nFAIL\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":600870.504,"container_active_ms":600868.733,"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":[],"unexpected_changes":[],"expected_changes":[],"total_changes":0,"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/go-binary-search-offbyone"}`
composite	composite, weights, components, note	{"composite":0.5038416143367284,"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":600870.504,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.3589440955781893,"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 / 600.87 s

span a739317b91904f93a00398f48c6164e9task_setupprepare:mutations/go-binary-search-offbyone0 ms → 1 ms

workdir/home/andrew/.codingagentbench-scratch/codingagentbench-opencode-mutations_go-binary-search-offbyone-rwm9__pq/workdir
task_categorymutations
plugin_stack[]
behavior_modefactory

Watch it stall

the agent ran but never finished within the harness timeout

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/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 qwen/qwen3.5-397b-a17b \
    --task mutations/go-binary-search-offbyone

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.

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: qwen/qwen3.5-397b-a17b

Zero-install preview — npx CLI (provisional, not for citation)

npx @codingagentbench/cli check

npx @codingagentbench/cli check \
  --tui opencode \
  --model qwen/qwen3.5-397b-a17b \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task mutations/go-binary-search-offbyone
# 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
a739317b91904f93a00398f48c6164e9	task_setup	prepare:mutations/go-binary-search-offbyone	1 ms	`{"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-opencode-mutations_go-binary-search-offbyone-rwm9__pq/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}`
3cfc4861425b425780575772368ca4a5 ↳ afae6bbba37843faa224ce3e6dd55993	tool_call	applied_plugins	0 ms	`{"tui":"opencode","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}`
8c810905d13d41869a29eeeadb5413a5 ↳ afae6bbba37843faa224ce3e6dd55993	container	opencode-run:mutations/go-binary-search-offbyone	600869 ms	err: ConnectionError: UnixHTTPConnectionPool(host='localhost', port=None): Read timed out.
afae6bbba37843faa224ce3e6dd55993	adapter_run	opencode:mutations/go-binary-search-offbyone	600869 ms	`{"timeout_s":600,"plugin_stack":[],"exit_code":-1,"error":"ConnectionError: UnixHTTPConnectionPool(host='localhost', port=None): Read timed out."}`
a9a92365808a4562865ef6316e85500e	cleanup	cleanup:opencode	0 ms	`{}`

Model calls (0)

#	Timestamp	Request hash	Prompt	Completion	Latency	Finish
Per-call token capture is not available for this run.

Other CLIs on this task

Other models with this CLI

Other tasks in this category

Embed this result

README / Markdown

[![CodingAgentBench: opencode × qwen/qwen3.5-397b-a17b 50%](https://codingagentbench.com/badge/opencode/qwen/qwen3.5-397b-a17b/mutations/go-binary-search-offbyone.svg)](https://codingagentbench.com/cell/opencode/qwen/qwen3.5-397b-a17b/mutations/go-binary-search-offbyone)

HTML / iframe

<a href="https://codingagentbench.com/cell/opencode/qwen/qwen3.5-397b-a17b/mutations/go-binary-search-offbyone"><img src="https://codingagentbench.com/badge/opencode/qwen/qwen3.5-397b-a17b/mutations/go-binary-search-offbyone.svg" alt="CodingAgentBench: opencode × qwen/qwen3.5-397b-a17b 50%" /></a>