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CodingAgentBench

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

mutations
mutations/go-binary-search-offbyone

Per-axis scores

Pass
1.000
Tokens/correct
—
Wall
7.9s
Blast
0.857
Refusal
—
Integrity
1.000
Composite
0.884

Run identity

cell_id
expansion-20260616/aider/meta/llama-4-maverick-17b-128e-instruct/mutations/go-binary-search-offbyone
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
2026-06-17T04:02:32.329094Z
ended_at
2026-06-17T04:02:40.233554Z
duration
7.90 s
prompt_tokens
1,400
completion_tokens
197
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":"ok \tcodingagentbench/gobinarysearch\t0.003s\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":7904.46,"container_active_ms":7892.451,"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":["search.go"],"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":["search.go"],"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/go-binary-search-offbyone"}
composite composite, weights, components, note {"composite":0.8840021083330105,"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":7904.46,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.7981092936486411,"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 / 7.90 s
span e44fabd3ed6c4e92b00fced792da1f02task_setupprepare:mutations/go-binary-search-offbyone0 ms → 11 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-aider-mutations_go-binary-search-offbyone-4nz1r97y/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/go-binary-search-offbyone

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/go-binary-search-offbyone
# 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
e44fabd3ed6c4e92b00fced792da1f02 task_setup prepare:mutations/go-binary-search-offbyone 11 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-aider-mutations_go-binary-search-offbyone-4nz1r97y/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}
18b4da47ddfd4292bc6c04750bd5bc7a ↳ 1f4713e7fa9448d18fd7ea5f4fa6bef1 task_setup aider:git-init-marker 0 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-aider-mutations_go-binary-search-offbyone-4nz1r97y/workdir","git_dir_exists":true}
089d002f66ae425b9ebac9ca7fc2fc7e ↳ 1f4713e7fa9448d18fd7ea5f4fa6bef1 tool_call applied_plugins 0 ms {"tui":"aider","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
fa7939ae90344c8a9251107706ab8873 ↳ 1f4713e7fa9448d18fd7ea5f4fa6bef1 container aider:launch 7893 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","Off-by-one in iterative binary search: `<=` flipped to `<` skips rightmost elements"],"timeout_s":600,"exit_code":0,"duration_s":7.879328356008045,"timed_out":false}
1f4713e7fa9448d18fd7ea5f4fa6bef1 adapter_run aider:mutations/go-binary-search-offbyone 7893 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
6c9179db96a146a4ad260dc132edbf4d 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: 1,400 prompt + 197 completion tokens.

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