qwen-code × qwen/qwen3.5-397b-a17b

mutations

mutations/java-null-deref

Per-axis scores

Pass

1.000

Tokens/correct

—

Wall

340.9s

Blast

0.000

Refusal

—

Integrity

1.000

Composite

0.909

Run identity

cell_id: newmodels-20260620/qwen-code/qwen/qwen3.5-397b-a17b/mutations/java-null-deref
sweep_id: newmodels-20260620
container_image: codingagentbench/qwen-code:v0.16.1
image_digest: sha256:597f01dba22092cfdcfc7a593f2c5a658a9e647bae60709f04aaba33622c961d
model_build_id: qwen/qwen3.5-397b-a17b
exit_code: 0

Timing

started_at: 2026-06-20T23:18:07.851179Z
ended_at: 2026-06-20T23:23:48.762050Z
duration: 340.91 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":340910.871,"container_active_ms":340889.31200000003,"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":0.9089345384483865,"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":340910.871,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.3928969229892423,"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 / 340.91 s

span f2899bd75f6a4d7fa14fc5852ae2754etask_setupprepare:mutations/java-null-deref0 ms → 21 ms

workdir/home/andrew/.codingagentbench-scratch/codingagentbench-qwen-code-mutations_java-null-deref-5p5ulyhq/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/qwen-code:v0.16.1·sha256:sha256:597f01dba…

docker run — exact image used in this run

# pull the exact image used in this run
docker pull codingagentbench/qwen-code:v0.16.1@sha256:sha256:597f01dba22092cfdcfc7a593f2c5a658a9e647bae60709f04aaba33622c961d

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/qwen-code:v0.16.1@sha256:sha256:597f01dba22092cfdcfc7a593f2c5a658a9e647bae60709f04aaba33622c961d \
  run-cell \
    --tui qwen-code \
    --model qwen/qwen3.5-397b-a17b \
    --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: qwen/qwen3.5-397b-a17b

Zero-install preview — npx CLI (provisional, not for citation)

npx @codingagentbench/cli check

npx @codingagentbench/cli check \
  --tui qwen-code \
  --model qwen/qwen3.5-397b-a17b \
  --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
f2899bd75f6a4d7fa14fc5852ae2754e	task_setup	prepare:mutations/java-null-deref	21 ms	`{"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-qwen-code-mutations_java-null-deref-5p5ulyhq/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}`
75960661b15b4b35a0f5b95b226e6e39 ↳ fb383b010d454e8fa533c75b6bcd41ce	tool_call	applied_plugins	0 ms	`{"tui":"qwen-code","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}`
16ba19a318604c809f2560217db7dd8e ↳ fb383b010d454e8fa533c75b6bcd41ce	container	qwen-code:run	340889 ms	`{"image":"codingagentbench/qwen-code:v0.16.1","command":["-p","Critical null guard deleted before defaults.get() — NPE on caller-supplied null defaults","--yolo"],"model":"qwen/qwen3.5-397b-a17b","exit_code":0,"timed_out":false}`
fb383b010d454e8fa533c75b6bcd41ce	adapter_run	qwen-code:mutations/java-null-deref	340889 ms	`{"timeout_s":600,"plugin_stack":[],"exit_code":0}`
b30cc7ffc6cf4bec9dfdd7343680e789	cleanup	cleanup:qwen-code	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: qwen-code × qwen/qwen3.5-397b-a17b 91%](https://codingagentbench.com/badge/qwen-code/qwen/qwen3.5-397b-a17b/mutations/java-null-deref.svg)](https://codingagentbench.com/cell/qwen-code/qwen/qwen3.5-397b-a17b/mutations/java-null-deref)

HTML / iframe

<a href="https://codingagentbench.com/cell/qwen-code/qwen/qwen3.5-397b-a17b/mutations/java-null-deref"><img src="https://codingagentbench.com/badge/qwen-code/qwen/qwen3.5-397b-a17b/mutations/java-null-deref.svg" alt="CodingAgentBench: qwen-code × qwen/qwen3.5-397b-a17b 91%" /></a>