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CodingAgentBench

qwen-code × meta/llama-4-maverick-17b-128e-instruct

polyglot
polyglot/java-null-safety

Per-axis scores

Pass
0.000
Tokens/correct
Wall
5.7s
Blast
0.000
Refusal
Integrity
1.000
Composite
0.575

Run identity

cell_id
expansion-20260616/qwen-code/meta/llama-4-maverick-17b-128e-instruct/polyglot/java-null-safety
sweep_id
expansion-20260616
container_image
codingagentbench/qwen-code:v0.16.1
image_digest
sha256:597f01dba22092cfdcfc7a593f2c5a658a9e647bae60709f04aaba33622c961d
model_build_id
meta/llama-4-maverick-17b-128e-instruct
exit_code
0

Timing

started_at
2026-06-17T08:18:12.298911Z
ended_at
2026-06-17T08:18:18.004967Z
duration
5.71 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":5706.0560000000005,"container_active_ms":5691.587,"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":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":"polyglot/java-null-safety"}
composite composite, weights, components, note {"composite":0.5754110198192053,"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":5706.0560000000005,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.8360734654613688,"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
t = 0 ms / 5.71 s
span f3d12af3824b45b9b082a8188e0c1656task_setupprepare:polyglot/java-null-safety0 ms15 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-qwen-code-polyglot_java-null-safety-rwkhcvh0/workdir
task_categorypolyglot
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 meta/llama-4-maverick-17b-128e-instruct \
    --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.

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: meta/llama-4-maverick-17b-128e-instruct
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui qwen-code \
  --model meta/llama-4-maverick-17b-128e-instruct \
  --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
f3d12af3824b45b9b082a8188e0c1656 task_setup prepare:polyglot/java-null-safety 15 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-qwen-code-polyglot_java-null-safety-rwkhcvh0/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
2b591108784e47cdbf188d4a0baa9e17 ↳ 2ae343ce3ff04728b0de01bc2caa7046 tool_call applied_plugins 0 ms {"tui":"qwen-code","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
8d83be28d9cd479f99799c680e972f47 ↳ 2ae343ce3ff04728b0de01bc2caa7046 container qwen-code:run 5691 ms {"image":"codingagentbench/qwen-code:v0.16.1","command":["-p","User class lookup crashes on null fields; rewrite to return empty string instead of NPE","--yolo"],"model":"meta/llama-4-maverick-17b-128e-instruct","exit_code":0,"timed_out":false}
2ae343ce3ff04728b0de01bc2caa7046 adapter_run qwen-code:polyglot/java-null-safety 5691 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
42b5cfb4052743e6b59ec2959b2116bc 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.

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CodingAgentBench: qwen-code × meta/llama-4-maverick-17b-128e-instruct 58%