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CodingAgentBench

aider × qwen/qwen3.5-397b-a17b

mutations
mutations/java-null-deref

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
19.4s
Blast
1.000
Refusal
—
Integrity
1.000
Composite
0.452

Run identity

cell_id
newmodels-20260620/aider/qwen/qwen3.5-397b-a17b/mutations/java-null-deref
sweep_id
newmodels-20260620
container_image
codingagentbench/aider:v0.86.0
image_digest
sha256:f2cd27890475900f9cb617b1c7a6328989a48e8168e7280ac2247a5d2d26d8a1
model_build_id
qwen/qwen3.5-397b-a17b
exit_code
0

Timing

started_at
2026-06-20T19:24:08.450780Z
ended_at
2026-06-20T19:24:27.856861Z
duration
19.41 s
prompt_tokens
1,200
completion_tokens
74
tokens source
TUI stdout

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 values win over defaults\nok fallback to defaults\nok missing returns null\nok null values, key in defaults\nok null values, missing key\n","stderr_tail":"FAIL nullDefaultsReturnsNull threw NPE: null\n1 test(s) failed\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":19406.081000000002,"container_active_ms":19385.176,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":1,"added":[".aider.chat.history.md",".aider.input.history",".aider.tags.cache.v4/cache.db",".aider/analytics.json",".aider/caches/model_prices_and_context_window.json",".aider/installs.json"],"removed":[],"modified":[],"unexpected_changes":[".aider.chat.history.md",".aider.input.history",".aider.tags.cache.v4/cache.db",".aider/analytics.json",".aider/caches/model_prices_and_context_window.json",".aider/installs.json"],"expected_changes":[],"total_changes":6,"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":0.45214941789245855,"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":1,"tokens_per_correct_task":0,"wall_clock_ms":19406.081000000002,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.6809961192830573,"clean_blast":0,"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
t = 0 ms / 19.41 s
span 2fee2390566e4fc0b8c08510fb89efebtask_setupprepare:mutations/java-null-deref0 ms → 21 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-aider-mutations_java-null-deref-obqf2urg/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/aider:v0.86.0·sha256:sha256:f2cd27890…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/aider:v0.86.0@sha256:sha256:f2cd27890475900f9cb617b1c7a6328989a48e8168e7280ac2247a5d2d26d8a1

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/aider:v0.86.0@sha256:sha256:f2cd27890475900f9cb617b1c7a6328989a48e8168e7280ac2247a5d2d26d8a1 \
  run-cell \
    --tui aider \
    --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 aider \
  --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 (6)

Span Kind Name Duration Attrs / Error
2fee2390566e4fc0b8c08510fb89efeb task_setup prepare:mutations/java-null-deref 21 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-aider-mutations_java-null-deref-obqf2urg/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}
81abad5112594fceac242c8c1aa41837 ↳ 3209ea39489949d4b6ca77974f884d70 task_setup aider:git-init-marker 0 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-aider-mutations_java-null-deref-obqf2urg/workdir","git_dir_exists":true}
57db907c878941c992f4643e1b2eed6c ↳ 3209ea39489949d4b6ca77974f884d70 tool_call applied_plugins 0 ms {"tui":"aider","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
5ee5631ff60f4b3081312ec6c94eb4c8 ↳ 3209ea39489949d4b6ca77974f884d70 container aider:launch 19385 ms {"image":"codingagentbench/aider:v0.86.0","argv":["--yes-always","--no-stream","--no-check-update","--no-analytics","--no-show-model-warnings","--no-suggest-shell-commands","--no-auto-commits","--no-pretty","--openai-api-base","http://172.17.0.1:31415/v1","--openai-api-key","sk-ijYE3GGIl2pTqBtwcCcuaIsZzYIIFrIWLMG3qmOK","--model","openai/qwen/qwen3.5-397b-a17b","--subtree-only","--message","Critical null guard deleted before defaults.get() — NPE on caller-supplied null defaults"],"timeout_s":600,"exit_code":0,"duration_s":19.34914302796824,"timed_out":false}
3209ea39489949d4b6ca77974f884d70 adapter_run aider:mutations/java-null-deref 19385 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
8222bf6bce614bf994aafb1be8ef598c cleanup cleanup:aider 0 ms {}

Model calls (0)

# Timestamp Request hash Prompt Completion Latency Finish
Per-call records not captured for this run. TUI-reported session totals: 1,200 prompt + 74 completion tokens.

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