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CodingAgentBench

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

mutations
mutations/python-comparator-swap

Per-axis scores

Pass
1.000
Tokens/correct
—
Wall
46.8s
Blast
0.857
Refusal
—
Integrity
1.000
Composite
0.850

Run identity

cell_id
free-20260527/aider/mistralai/mistral-small-4-119b-2603/mutations/python-comparator-swap#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
2026-05-28T02:13:16.473613Z
ended_at
2026-05-28T02:14:03.309603Z
duration
46.84 s
prompt_tokens
971
completion_tokens
137
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":46835.990000000005,"container_active_ms":33218.948,"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":0.8497741430312091,"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":46835.990000000005,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.5699228583032985,"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 / 46.84 s
span b3974bc57ed54ec28826b2acf9093881task_setupprepare:mutations/python-comparator-swap0 ms → 20 ms
workdir/tmp/codingagentbench-aider-mutations_python-comparator-swap-vwdyvdd6/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/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: 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/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
b3974bc57ed54ec28826b2acf9093881 task_setup prepare:mutations/python-comparator-swap 20 ms {"workdir":"/tmp/codingagentbench-aider-mutations_python-comparator-swap-vwdyvdd6/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}
e366618f36ed4fdd943c3ae8a0591cf8 ↳ 3a25f132d3024394a0e8480b4c5a35b6 task_setup aider:git-init-marker 0 ms {"workdir":"/tmp/codingagentbench-aider-mutations_python-comparator-swap-vwdyvdd6/workdir","git_dir_exists":true}
aa2a7b2eb38343db86effbd8e8687640 ↳ 3a25f132d3024394a0e8480b4c5a35b6 tool_call applied_plugins 0 ms {"tui":"aider","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
8feeff1f5afd42fdbb01aa668aef8db7 ↳ 3a25f132d3024394a0e8480b4c5a35b6 container aider:launch 33219 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","Operands swapped in a cmp comparator; sort runs in reverse order"],"timeout_s":600,"exit_code":0,"duration_s":19.45046944299247,"timed_out":false}
3a25f132d3024394a0e8480b4c5a35b6 adapter_run aider:mutations/python-comparator-swap 46816 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
c231d4b945df46deae142c0a85de1252 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: 971 prompt + 137 completion tokens.

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