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CodingAgentBench

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

mutations
mutations/rust-error-negated

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
44.9s
Blast
1.000
Refusal
—
Integrity
1.000
Composite
0.436

Run identity

cell_id
free-20260527/plandex/mistralai/mistral-small-4-119b-2603/mutations/rust-error-negated
sweep_id
free-20260527
container_image
codingagentbench/plandex:v2.2.1
image_digest
sha256:d1d67c7f86699ccffd8fd7f6dca598ef449ca37bc377e42f7d1f0ef3cd4aaee2
model_build_id
mistralai/mistral-small-4-119b-2603
exit_code
1

Timing

started_at
2026-06-16T20:39:06.257639Z
ended_at
2026-06-16T20:39:51.138092Z
duration
44.88 s
tokens
not recorded

Scorer breakdown

Axis Keys Values
pass_rate pass, exit_code, timed_out, stdout_tail, stderr_tail, partial_score {"pass":0,"exit_code":101,"timed_out":false,"stdout_tail":"\nrunning 4 tests\ntest tests::first_attempt_ok_returns_immediately ... FAILED\ntest tests::gives_up_after_max_attempts ... FAILED\ntest tests::zero_max_attempts_errors ... ok\ntest tests::retries_on_error_until_success ... FAILED\n\nfailures:\n\n---- tests::first_attempt_ok_returns_immediately stdout ----\n\nthread 'tests::first_attempt_ok_returns_immediately' (406378) panicked at src/lib.rs:38:9:\nassertion `left == right` failed\n left: 5\n right: 1\nnote: run with `RUST_BACKTRACE=1` environment variable to display a backtrace\n\n---- tests::gives_up_after_max_attempts stdout ----\n\nthread 'tests::gives_up_after_max_attempts' (406379) panicked at src/lib.rs:72:9:\nassertion `left == right` failed\n left: 1\n right: 3\n\n---- tests::retries_on_error_until_success stdout ----\n\nthread 'tests::retries_on_error_until_success' (406380) panicked at src/lib.rs:56:9:\nassertion `left == right` failed\n left: Err(\"attempt 0\")\n right: Ok(7)\n\n\nfailures:\n tests::first_attempt_ok_returns_immediately\n tests::gives_up_after_max_attempts\n tests::retries_on_error_until_success\n\ntest result: FAILED. 1 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s\n\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":0}
latency wall_clock_ms, container_active_ms, model_call_ms {"wall_clock_ms":44880.453,"container_active_ms":44879.832,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":1,"added":[".plandex-v2/projects-v2.json"],"removed":[],"modified":[],"unexpected_changes":[".plandex-v2/projects-v2.json"],"expected_changes":[],"total_changes":1,"extra_git_dir":false}
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/rust-error-negated"}
composite composite, weights, components, note {"composite":0.43623575641253876,"weights":{"pass_rate":0.4,"integrity":0.2,"cost":0.15,"latency":0.15,"blast_radius":0.1},"components":{"pass_rate":0,"integrity":1,"blast_radius":1,"tokens_per_correct_task":0,"wall_clock_ms":44880.453,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.5749050427502583,"clean_blast":0,"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 / 44.88 s
span 5b2033007e7e4482940fcec4da81ad55task_setupprepare:mutations/rust-error-negated0 ms → 0 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-mutations_rust-error-negated-f35v1lnx/workdir
task_categorymutations
plugin_stack[]
behavior_modefactory

Terminal playback

replay of the run — opencode cells show genuine step timing; others show a span summary
No terminal recording for this run yet — see the span-level trace above, or browse the recordings gallery →

Run it yourself

Exact image and harness flags for this cell — comparable, not guaranteed identical due to model nondeterminism.

Imagecodingagentbench/plandex:v2.2.1·sha256:sha256:d1d67c7f8…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/plandex:v2.2.1@sha256:sha256:d1d67c7f86699ccffd8fd7f6dca598ef449ca37bc377e42f7d1f0ef3cd4aaee2

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/plandex:v2.2.1@sha256:sha256:d1d67c7f86699ccffd8fd7f6dca598ef449ca37bc377e42f7d1f0ef3cd4aaee2 \
  run-cell \
    --tui plandex \
    --model mistralai/mistral-small-4-119b-2603 \
    --task mutations/rust-error-negated

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 plandex \
  --model mistralai/mistral-small-4-119b-2603 \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task mutations/rust-error-negated
# provisional score — not for citation

Provisional score — not for citation. Use the Docker or Harness CLI path for citable results.

Trace spans (7)

Span Kind Name Duration Attrs / Error
5b2033007e7e4482940fcec4da81ad55 task_setup prepare:mutations/rust-error-negated 0 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-mutations_rust-error-negated-f35v1lnx/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}
ab8de7b2d0d944d0a6db727d5b7593f8 ↳ e9193195c2944a0ca890f84712942216 tool_call applied_plugins 0 ms {"tui":"plandex","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
0d6320813f0046579f87521208d9c682 ↳ 553defb17d0d46319a067ab3fd0c62a7 container plandex:phase=plan 0 ms {"phase":"plan","argv":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Retry loop condition negated: retries on success, gives up on error"],"kind":"plan-first"}
68a9df5f08f94e95b7688c0561e65b37 ↳ 553defb17d0d46319a067ab3fd0c62a7 container plandex:phase=execute 0 ms {"phase":"execute","argv":["plandex","build",";","plandex","apply"],"auto_confirm":true}
553defb17d0d46319a067ab3fd0c62a7 ↳ e9193195c2944a0ca890f84712942216 container plandex:pipeline 44879 ms {"image":"codingagentbench/plandex:v2.2.1","timeout_s":600,"plan_phase_cmd":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Retry loop condition negated: retries on success, gives up on error"],"exec_phase_cmd":["plandex","build",";","plandex","apply"],"exit_code":1,"duration_s":44.85557216001325,"timed_out":false,"plan_phase_done":false,"execute_phase_done":false}
e9193195c2944a0ca890f84712942216 adapter_run plandex:mutations/rust-error-negated 44881 ms {"timeout_s":600,"plugin_stack":[],"exit_code":1}
4ece856dce76456e89b8c58e5a1601a4 cleanup cleanup:plandex 0 ms {}

Model calls (0)

# Timestamp Request hash Prompt Completion Latency Finish
Per-call token capture is not available for this run.

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CodingAgentBench: plandex × mistralai/mistral-small-4-119b-2603 44%