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CodingAgentBench

aider × mistralai/mistral-small-4-119b-2603

mutations
mutations/ts-arg-parser-default

Per-axis scores

Pass
1.000
Tokens/correct
—
Wall
26.8s
Blast
0.889
Refusal
—
Integrity
1.000
Composite
0.857

Run identity

cell_id
free-20260527/aider/mistralai/mistral-small-4-119b-2603/mutations/ts-arg-parser-default#run1
sweep_id
free-20260527
container_image
codingagentbench/aider:v0.86.0
image_digest
sha256:f2cd27890475900f9cb617b1c7a6328989a48e8168e7280ac2247a5d2d26d8a1
model_build_id
mistralai/mistral-small-4-119b-2603
exit_code
0

Timing

started_at
2026-05-28T02:13:58.178750Z
ended_at
2026-05-28T02:14:25.014563Z
duration
26.84 s
prompt_tokens
1,000
completion_tokens
143
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":"✔ defaultsToPort8080 (0.649003ms)\n✔ overrides port (0.098597ms)\n✔ overrides host (0.086945ms)\n✔ overrides both (0.522453ms)\nℹ tests 4\nℹ suites 0\nℹ pass 4\nℹ fail 0\nℹ cancelled 0\nℹ skipped 0\nℹ todo 0\nℹ duration_ms 57.94703\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":26835.813000000002,"container_active_ms":10860.577,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":0.8888888888888888,"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","build/src/cli.js","build/tests/cli.test.js"],"removed":[],"modified":["src/cli.ts"],"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","build/src/cli.js","build/tests/cli.test.js"],"expected_changes":["src/cli.ts"],"total_changes":9,"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":0.8568800239684472,"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":0.8888888888888888,"tokens_per_correct_task":0,"wall_clock_ms":26835.813000000002,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.6384594190489068,"clean_blast":0.11111111111111116,"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 / 26.84 s
span 53168ed41481444196a524440b6dd361task_setupprepare:mutations/ts-arg-parser-default0 ms → 12 ms
workdir/tmp/codingagentbench-aider-mutations_ts-arg-parser-default-l_qcb5b1/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 mistralai/mistral-small-4-119b-2603 \
    --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: mistralai/mistral-small-4-119b-2603
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui aider \
  --model mistralai/mistral-small-4-119b-2603 \
  --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 (6)

Span Kind Name Duration Attrs / Error
53168ed41481444196a524440b6dd361 task_setup prepare:mutations/ts-arg-parser-default 12 ms {"workdir":"/tmp/codingagentbench-aider-mutations_ts-arg-parser-default-l_qcb5b1/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}
81ac7141f89f4e3e93002475b357f926 ↳ e8b04fc87d4c41d3896725e8bdb86b54 task_setup aider:git-init-marker 0 ms {"workdir":"/tmp/codingagentbench-aider-mutations_ts-arg-parser-default-l_qcb5b1/workdir","git_dir_exists":true}
13ecab7d1d324919902c1127ef8638be ↳ e8b04fc87d4c41d3896725e8bdb86b54 tool_call applied_plugins 0 ms {"tui":"aider","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
932cfa274f1e42848e5f97ec1536c7d7 ↳ e8b04fc87d4c41d3896725e8bdb86b54 container aider:launch 10861 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/mistralai/mistral-small-4-119b-2603","--subtree-only","--message","Default port literal mutated from 8080 to 80; tests fail"],"timeout_s":600,"exit_code":0,"duration_s":9.17266409297008,"timed_out":false}
e8b04fc87d4c41d3896725e8bdb86b54 adapter_run aider:mutations/ts-arg-parser-default 26824 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
7c1bdbbf082f4147b5d9722dcb29fc0f 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: 1,000 prompt + 143 completion tokens.

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CodingAgentBench: aider × mistralai/mistral-small-4-119b-2603 86%