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CodingAgentBench

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

mutations
mutations/ts-arg-parser-default

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
4.5s
Blast
1.000
Refusal
—
Integrity
1.000
Composite
0.479

Run identity

cell_id
expansion-20260616/copilot/meta/llama-4-maverick-17b-128e-instruct/mutations/ts-arg-parser-default
sweep_id
expansion-20260616
container_image
codingagentbench/copilot:v1.0.63
image_digest
sha256:6ad0221187dc5c6de50c8aeec50b0eb8eab269c1a681c79efaaa068741a20607
model_build_id
meta/llama-4-maverick-17b-128e-instruct
exit_code
0

Timing

started_at
2026-06-17T01:54:25.657037Z
ended_at
2026-06-17T01:54:30.111947Z
duration
4.45 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":2,"timed_out":false,"stdout_tail":"tsconfig.json(5,25): error TS5107: Option 'moduleResolution=node10' is deprecated and will stop functioning in TypeScript 7.0. Specify compilerOption '\"ignoreDeprecations\": \"6.0\"' to silence this error.\n Visit https://aka.ms/ts6 for migration information.\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":0}
latency wall_clock_ms, container_active_ms, model_call_ms {"wall_clock_ms":4454.91,"container_active_ms":4440.805,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":1,"added":["build/src/cli.js","build/tests/cli.test.js"],"removed":[],"modified":[],"unexpected_changes":["build/src/cli.js","build/tests/cli.test.js"],"expected_changes":[],"total_changes":2,"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/ts-arg-parser-default"}
composite composite, weights, components, note {"composite":0.47930862903745464,"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":4454.91,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.8620575269163642,"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 / 4.45 s
span 316c2ae19814422ca259444db0ea40cbtask_setupprepare:mutations/ts-arg-parser-default0 ms → 13 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-copilot-mutations_ts-arg-parser-default-85weldi9/workdir
task_categorymutations
plugin_stack[]
behavior_modefactory

Terminal playback

replay of the run — opencode cells show genuine step timing; others show a span summary

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 meta/llama-4-maverick-17b-128e-instruct \
    --task mutations/ts-arg-parser-default

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 copilot \
  --model meta/llama-4-maverick-17b-128e-instruct \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task mutations/ts-arg-parser-default
# 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
316c2ae19814422ca259444db0ea40cb task_setup prepare:mutations/ts-arg-parser-default 13 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-copilot-mutations_ts-arg-parser-default-85weldi9/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}
60d04758def34011ab4edc60f0973579 ↳ 78250e51bea447bfb968f3b7ee4364a3 tool_call applied_plugins 0 ms {"tui":"copilot","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
9e1d91463ab243b293360a3d0ba28485 ↳ 78250e51bea447bfb968f3b7ee4364a3 container copilot:launch 4440 ms {"image":"codingagentbench/copilot:v1.0.63","argv":["-p","Default port literal mutated from 8080 to 80; tests fail","--allow-all"],"timeout_s":600,"exit_code":0,"duration_s":4.425772396003595,"timed_out":false}
78250e51bea447bfb968f3b7ee4364a3 adapter_run copilot:mutations/ts-arg-parser-default 4441 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
42501277ac934c4b9f038dd0133bf34d 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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CodingAgentBench: copilot × meta/llama-4-maverick-17b-128e-instruct 48%