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CodingAgentBench

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

mutations
mutations/python-comparator-swap

Per-axis scores

Pass
1.000
Tokens/correct
—
Wall
10.0s
Blast
0.857
Refusal
—
Integrity
1.000
Composite
0.880

Run identity

cell_id
expansion-20260616/aider/meta/llama-4-maverick-17b-128e-instruct/mutations/python-comparator-swap
sweep_id
expansion-20260616
container_image
codingagentbench/aider:v0.86.0
image_digest
sha256:f2cd27890475900f9cb617b1c7a6328989a48e8168e7280ac2247a5d2d26d8a1
model_build_id
meta/llama-4-maverick-17b-128e-instruct
exit_code
0

Timing

started_at
2026-06-17T04:06:19.181499Z
ended_at
2026-06-17T04:06:29.181623Z
duration
10.00 s
prompt_tokens
1,100
completion_tokens
156
tokens source
TUI stdout

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":"","stderr_tail":"test_already_sorted (test_sorter.TestSorter.test_already_sorted) ... ok\ntest_empty (test_sorter.TestSorter.test_empty) ... ok\ntest_ints_ascending (test_sorter.TestSorter.test_ints_ascending) ... ok\ntest_singleton (test_sorter.TestSorter.test_singleton) ... ok\ntest_strings_ascending (test_sorter.TestSorter.test_strings_ascending) ... ok\ntest_with_negatives (test_sorter.TestSorter.test_with_negatives) ... ok\n\n----------------------------------------------------------------------\nRan 6 tests in 0.000s\n\nOK\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":1}
latency wall_clock_ms, container_active_ms, model_call_ms {"wall_clock_ms":10000.124,"container_active_ms":9987.867,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":0.8571428571428571,"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":["src/sorter.py"],"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":["src/sorter.py"],"total_changes":7,"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/python-comparator-swap"}
composite composite, weights, components, note {"composite":0.8795787437007863,"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":0.8571428571428571,"tokens_per_correct_task":0,"wall_clock_ms":10000.124,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.7686201961004792,"clean_blast":0.1428571428571429,"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 / 10.00 s
span f9fcf328f8ea48ee8fc5fb688b03c95dtask_setupprepare:mutations/python-comparator-swap0 ms → 12 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-aider-mutations_python-comparator-swap-pyipfww0/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/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 meta/llama-4-maverick-17b-128e-instruct \
    --task mutations/python-comparator-swap

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 aider \
  --model meta/llama-4-maverick-17b-128e-instruct \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task mutations/python-comparator-swap
# 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
f9fcf328f8ea48ee8fc5fb688b03c95d task_setup prepare:mutations/python-comparator-swap 12 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-aider-mutations_python-comparator-swap-pyipfww0/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}
27ef3491988546b4b0c8de0ab8dcc8ec ↳ 6ec503352dba43b1afe6515ba74105ca task_setup aider:git-init-marker 0 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-aider-mutations_python-comparator-swap-pyipfww0/workdir","git_dir_exists":true}
76bda2ac088c4e778c3922f759dfba9f ↳ 6ec503352dba43b1afe6515ba74105ca tool_call applied_plugins 0 ms {"tui":"aider","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
9ab41f681d5f40919bf9c53f3d078068 ↳ 6ec503352dba43b1afe6515ba74105ca container aider:launch 9988 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/meta/llama-4-maverick-17b-128e-instruct","--subtree-only","--message","Operands swapped in a cmp comparator; sort runs in reverse order"],"timeout_s":600,"exit_code":0,"duration_s":9.973880386998644,"timed_out":false}
6ec503352dba43b1afe6515ba74105ca adapter_run aider:mutations/python-comparator-swap 9988 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
e3e37e0a281d4a81a887e9fb77b1e14b 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: 1,100 prompt + 156 completion tokens.

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