openhands × qwen/qwen3-next-80b-a3b-instruct

mutations

mutations/java-null-deref

Per-axis scores

Pass

1.000

Tokens/correct

—

Wall

290.6s

Blast

0.000

Refusal

—

Integrity

1.000

Composite

0.911

Run identity

cell_id: expansion-20260616/openhands/qwen/qwen3-next-80b-a3b-instruct/mutations/java-null-deref
sweep_id: expansion-20260616
container_image: codingagentbench/openhands:1.7.0
image_digest: sha256:7fcaf222644a5cb0afffe018f038d270130b5af3b8af366cd960f2d596a4342c
model_build_id: qwen/qwen3-next-80b-a3b-instruct
exit_code: 0

Timing

started_at: 2026-06-17T06:55:52.277572Z
ended_at: 2026-06-17T07:00:42.882443Z
duration: 290.61 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":290604.871,"container_active_ms":290604.188,"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":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/java-null-deref"}`
composite	composite, weights, components, note	{"composite":0.910532785031098,"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":290604.871,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.4035519002073197,"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 / 290.61 s

span 0a5c7d6f7f614bc19a7cd7c5e79e1300task_setupprepare:mutations/java-null-deref0 ms → 1 ms

workdir/home/andrew/.codingagentbench-scratch/codingagentbench-openhands-mutations_java-null-deref-3ippap6c/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/openhands:1.7.0·sha256:sha256:7fcaf2226…

docker run — exact image used in this run

# pull the exact image used in this run
docker pull codingagentbench/openhands:1.7.0@sha256:sha256:7fcaf222644a5cb0afffe018f038d270130b5af3b8af366cd960f2d596a4342c

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/openhands:1.7.0@sha256:sha256:7fcaf222644a5cb0afffe018f038d270130b5af3b8af366cd960f2d596a4342c \
  run-cell \
    --tui openhands \
    --model qwen/qwen3-next-80b-a3b-instruct \
    --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-next-80b-a3b-instruct

Zero-install preview — npx CLI (provisional, not for citation)

npx @codingagentbench/cli check

npx @codingagentbench/cli check \
  --tui openhands \
  --model qwen/qwen3-next-80b-a3b-instruct \
  --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
0a5c7d6f7f614bc19a7cd7c5e79e1300	task_setup	prepare:mutations/java-null-deref	1 ms	`{"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-openhands-mutations_java-null-deref-3ippap6c/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}`
c925f6b2dfa24a099dd2144119caacd4 ↳ 9e5525257ec544718c997f4380224fd4	tool_call	applied_plugins	0 ms	`{"tui":"openhands","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}`
4fa5e78ac9724b398a150e29f8a641c5 ↳ 9e5525257ec544718c997f4380224fd4	container	openhands:run	290604 ms	`{"image":"codingagentbench/openhands:1.7.0","command":["/app/.venv/bin/python","/opt/openhands_run.py","-t","Critical null guard deleted before defaults.get() — NPE on caller-supplied null defaults","--workspace","/workspace"],"deviation":"root+docker.sock; see module docstring","exit_code":0,"timed_out":false,"docker_sock_mounted":true,"read_only":false}`
9e5525257ec544718c997f4380224fd4	adapter_run	openhands:mutations/java-null-deref	290604 ms	`{"timeout_s":600,"plugin_stack":[],"exit_code":0}`
bd9a5aca2b5748c5b04f3d5e038b29f2	cleanup	cleanup:openhands	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: openhands × qwen/qwen3-next-80b-a3b-instruct 91%](https://codingagentbench.com/badge/openhands/qwen/qwen3-next-80b-a3b-instruct/mutations/java-null-deref.svg)](https://codingagentbench.com/cell/openhands/qwen/qwen3-next-80b-a3b-instruct/mutations/java-null-deref)

HTML / iframe

<a href="https://codingagentbench.com/cell/openhands/qwen/qwen3-next-80b-a3b-instruct/mutations/java-null-deref"><img src="https://codingagentbench.com/badge/openhands/qwen/qwen3-next-80b-a3b-instruct/mutations/java-null-deref.svg" alt="CodingAgentBench: openhands × qwen/qwen3-next-80b-a3b-instruct 91%" /></a>