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CodingAgentBench

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

polyglot
polyglot/go-http-handler-fix

Per-axis scores

Pass
1.000
Tokens/correct
—
Wall
23.8s
Blast
0.875
Refusal
—
Integrity
1.000
Composite
0.861

Run identity

cell_id
expansion-20260616/aider/meta/llama-4-maverick-17b-128e-instruct/polyglot/go-http-handler-fix
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
2026-06-17T04:10:13.432619Z
ended_at
2026-06-17T04:10:37.248346Z
duration
23.82 s
prompt_tokens
1,700
completion_tokens
483
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/gohttphandler\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":23815.727,"container_active_ms":23803.353000000003,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":0.875,"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":["handler.go","handler_test.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","handler_test.go"],"expected_changes":["handler.go"],"total_changes":8,"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":true,"refusal_correct":null,"marker_hits":[],"keyword_hits":["stdout_tail"]}
integrity integrity, not_applicable, task_id {"integrity":1,"not_applicable":true,"task_id":"polyglot/go-http-handler-fix"}
composite composite, weights, components, note {"composite":0.8605957182619776,"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":0.875,"tokens_per_correct_task":0,"wall_clock_ms":23815.727,"expected_refusal":false,"refusal_produced":true,"cost_efficiency":1,"latency_efficiency":0.6539714550798498,"clean_blast":0.125,"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 / 23.82 s
span 2f67306dff8b40778babb5622b45969ftask_setupprepare:polyglot/go-http-handler-fix0 ms → 12 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-aider-polyglot_go-http-handler-fix-n1lp9gou/workdir
task_categorypolyglot
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 polyglot/go-http-handler-fix

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 polyglot/go-http-handler-fix
# 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
2f67306dff8b40778babb5622b45969f task_setup prepare:polyglot/go-http-handler-fix 12 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-aider-polyglot_go-http-handler-fix-n1lp9gou/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
4b62b64d8a7740bf89efd1ab15eb7747 ↳ 5318e95c9fcd41ba9bc80f39d5db5a3a task_setup aider:git-init-marker 0 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-aider-polyglot_go-http-handler-fix-n1lp9gou/workdir","git_dir_exists":true}
91df634c8fff4c9ab721e0765bf59e9c ↳ 5318e95c9fcd41ba9bc80f39d5db5a3a tool_call applied_plugins 0 ms {"tui":"aider","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
9028d6c479334782aa662600cfe290a7 ↳ 5318e95c9fcd41ba9bc80f39d5db5a3a container aider:launch 23804 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","HTTP handler writes body before setting status code, locking the response to 200"],"timeout_s":600,"exit_code":0,"duration_s":23.790088128007483,"timed_out":false}
5318e95c9fcd41ba9bc80f39d5db5a3a adapter_run aider:polyglot/go-http-handler-fix 23804 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
e4285c6059d44e2eb5a6d639af9fa661 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: 1,700 prompt + 483 completion tokens.

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