opencode × mistralai/mistral-small-4-119b-2603

polyglot

polyglot/java-null-safety

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

adapter timed out after 630s (outer guard)

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

Per-axis scores

Pass

0.000

Tokens/correct

—

Wall

651.7s

Blast

0.000

Refusal

—

Integrity

1.000

Composite

0.503

Run identity

cell_id: free-20260527/opencode/mistralai/mistral-small-4-119b-2603/polyglot/java-null-safety
sweep_id: free-20260527
container_image: —
image_digest: —
model_build_id: mistralai/mistral-small-4-119b-2603
exit_code: -1

Timing

started_at: 2026-06-16T18:18:28.039443Z
ended_at: 2026-06-16T18:29:19.780233Z
duration: 651.74 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":"ok normal\n","stderr_tail":"Exception in thread \"main\" java.lang.NullPointerException\n\tat UserGreeter.greet(UserGreeter.java:5)\n\tat Tests.main(Tests.java:18)\n","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":651740.7899999999,"container_active_ms":632340.855,"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":"polyglot/java-null-safety"}`
composite	composite, weights, components, note	{"composite":0.503178517092756,"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":651740.7899999999,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.35452344728504,"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 / 651.74 s

span d980e4df671b48b997670820f6ded3e6task_setupprepare:polyglot/java-null-safety0 ms → 0 ms

workdir/home/andrew/.codingagentbench-scratch/codingagentbench-opencode-polyglot_java-null-safety-ext7ctut/workdir
task_categorypolyglot
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

docker run — exact image used in this run

# digest unavailable for this cell — image may have changed
docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/opencode \
  run-cell \
    --tui opencode \
    --model mistralai/mistral-small-4-119b-2603 \
    --task polyglot/java-null-safety

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: mistralai/mistral-small-4-119b-2603

Zero-install preview — npx CLI (provisional, not for citation)

npx @codingagentbench/cli check

npx @codingagentbench/cli check \
  --tui opencode \
  --model mistralai/mistral-small-4-119b-2603 \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task polyglot/java-null-safety
# 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
d980e4df671b48b997670820f6ded3e6	task_setup	prepare:polyglot/java-null-safety	0 ms	`{"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-opencode-polyglot_java-null-safety-ext7ctut/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}`
033da9b6e51d467ca15db6f9a488e631 ↳ e583fea6f37c4054bc3f2b3f1ea7e042	tool_call	applied_plugins	0 ms	`{"tui":"opencode","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}`
f7a8ff32f1eb42c58fe4960273df51ff ↳ e583fea6f37c4054bc3f2b3f1ea7e042	container	opencode-run:polyglot/java-null-safety	632341 ms	`{"image":"codingagentbench/opencode:v1.15.10","model":"mistralai/mistral-small-4-119b-2603","base_url":"http://172.17.0.1:31415/v1"}`
e583fea6f37c4054bc3f2b3f1ea7e042	adapter_run	opencode:polyglot/java-null-safety	651734 ms	`{"timeout_s":600,"plugin_stack":[],"exit_code":-1,"error":"adapter timed out after 630s (outer guard)"}`
5c38269117dc43bd8ee0e4252238911d	cleanup	cleanup:opencode	6 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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