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

mutations

mutations/java-null-deref

Per-axis scores

Pass

1.000

Tokens/correct

—

Wall

93.4s

Blast

0.000

Refusal

—

Integrity

1.000

Composite

0.924

Run identity

cell_id: expansion-20260616/copilot/mistralai/mistral-small-4-119b-2603/mutations/java-null-deref
sweep_id: expansion-20260616
container_image: codingagentbench/copilot:v1.0.63
image_digest: sha256:6ad0221187dc5c6de50c8aeec50b0eb8eab269c1a681c79efaaa068741a20607
model_build_id: mistralai/mistral-small-4-119b-2603
exit_code: 0

Timing

started_at: 2026-06-17T01:42:34.829753Z
ended_at: 2026-06-17T01:44:08.237319Z
duration: 93.41 s
tokens: not recorded

Scorer breakdown

Axis	Keys	Values
pass_rate	pass, exit_code, timed_out, stdout_tail, stderr_tail, partial_score	`{"pass":1,"exit_code":0,"timed_out":false,"stdout_tail":"ok values win over defaults\nok fallback to defaults\nok missing returns null\nok nullDefaultsReturnsNull\nok values still work with null defaults\nok null values, key in defaults\nok null values, missing key\nall tests passed\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":1}`
latency	wall_clock_ms, container_active_ms, model_call_ms	`{"wall_clock_ms":93407.566,"container_active_ms":93393.31599999999,"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/Config.java"],"unexpected_changes":[],"expected_changes":["src/Config.java"],"total_changes":1,"extra_git_dir":true}`
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/java-null-deref"}`
composite	composite, weights, components, note	{"composite":0.9244582301583653,"weights":{"pass_rate":0.4,"integrity":0.2,"cost":0.15,"latency":0.15,"blast_radius":0.1},"components":{"pass_rate":1,"integrity":1,"blast_radius":0,"tokens_per_correct_task":0,"wall_clock_ms":93407.566,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.496388201055768,"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 / 93.41 s

span 48bff1895fd84bbf96a18200573c0722task_setupprepare:mutations/java-null-deref0 ms → 14 ms

workdir/home/andrew/.codingagentbench-scratch/codingagentbench-copilot-mutations_java-null-deref-ma3jt0zc/workdir
task_categorymutations
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

Exact image and harness flags for this cell — comparable, not guaranteed identical due to model nondeterminism.

Imagecodingagentbench/copilot:v1.0.63·sha256:sha256:6ad022118…

docker run — exact image used in this run

# pull the exact image used in this run
docker pull codingagentbench/copilot:v1.0.63@sha256:sha256:6ad0221187dc5c6de50c8aeec50b0eb8eab269c1a681c79efaaa068741a20607

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/copilot:v1.0.63@sha256:sha256:6ad0221187dc5c6de50c8aeec50b0eb8eab269c1a681c79efaaa068741a20607 \
  run-cell \
    --tui copilot \
    --model mistralai/mistral-small-4-119b-2603 \
    --task mutations/java-null-deref

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

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

npx @codingagentbench/cli check

npx @codingagentbench/cli check \
  --tui copilot \
  --model mistralai/mistral-small-4-119b-2603 \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task mutations/java-null-deref
# 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
48bff1895fd84bbf96a18200573c0722	task_setup	prepare:mutations/java-null-deref	14 ms	`{"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-copilot-mutations_java-null-deref-ma3jt0zc/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}`
257eb5473aa04ef98c821867c8485d5a ↳ 0fd2ae3a858a44aea163cf936ea830c8	tool_call	applied_plugins	0 ms	`{"tui":"copilot","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}`
1912fc5bbdd74216a75c3a699d6dbb51 ↳ 0fd2ae3a858a44aea163cf936ea830c8	container	copilot:launch	93394 ms	`{"image":"codingagentbench/copilot:v1.0.63","argv":["-p","Critical null guard deleted before defaults.get() — NPE on caller-supplied null defaults","--allow-all"],"timeout_s":600,"exit_code":0,"duration_s":93.36888445398654,"timed_out":false}`
0fd2ae3a858a44aea163cf936ea830c8	adapter_run	copilot:mutations/java-null-deref	93394 ms	`{"timeout_s":600,"plugin_stack":[],"exit_code":0}`
ca97e5ea1a9d4f86b48f81152acebe64	cleanup	cleanup:copilot	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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