Skip to main content
CodingAgentBench

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

mutations
mutations/go-binary-search-offbyone

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
45.3s
Blast
1.000
Refusal
—
Integrity
1.000
Composite
0.436

Run identity

cell_id
free-20260527/plandex/mistralai/mistral-small-4-119b-2603/mutations/go-binary-search-offbyone
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
2026-06-16T20:38:46.707948Z
ended_at
2026-06-16T20:39:32.051110Z
duration
45.34 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":1,"timed_out":false,"stdout_tail":"--- FAIL: TestSearch_RightmostElement (0.00s)\n search_test.go:19: got -1 want 4\n--- FAIL: TestSearch_Single (0.00s)\n search_test.go:31: got -1 want 0\nFAIL\nFAIL\tcodingagentbench/gobinarysearch\t0.002s\nFAIL\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":45343.162,"container_active_ms":45342.503,"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/go-binary-search-offbyone"}
composite composite, weights, components, note {"composite":0.4360553615329884,"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":45343.162,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.573702410219923,"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 / 45.34 s
span 42746e4210f84c38aa3a3ee85056bc17task_setupprepare:mutations/go-binary-search-offbyone0 ms → 1 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-mutations_go-binary-search-offbyone-m1wa2d7o/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/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: 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/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 (7)

Span Kind Name Duration Attrs / Error
42746e4210f84c38aa3a3ee85056bc17 task_setup prepare:mutations/go-binary-search-offbyone 1 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-mutations_go-binary-search-offbyone-m1wa2d7o/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}
03949ce31da242908ed1a96d8830174b ↳ f5c3cda963394a2d90c517f4d6dd80f4 tool_call applied_plugins 0 ms {"tui":"plandex","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
582435b4528b4333a6d95403896a650c ↳ c95638e0eab84f88995aabdaf7c4d207 container plandex:phase=plan 0 ms {"phase":"plan","argv":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Off-by-one in iterative binary search: `<=` flipped to `<` skips rightmost elements"],"kind":"plan-first"}
47ff07fc7f2c4ccebcb12b2299b2eee0 ↳ c95638e0eab84f88995aabdaf7c4d207 container plandex:phase=execute 0 ms {"phase":"execute","argv":["plandex","build",";","plandex","apply"],"auto_confirm":true}
c95638e0eab84f88995aabdaf7c4d207 ↳ f5c3cda963394a2d90c517f4d6dd80f4 container plandex:pipeline 45342 ms {"image":"codingagentbench/plandex:v2.2.1","timeout_s":600,"plan_phase_cmd":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Off-by-one in iterative binary search: `<=` flipped to `<` skips rightmost elements"],"exec_phase_cmd":["plandex","build",";","plandex","apply"],"exit_code":1,"duration_s":45.3116077890154,"timed_out":false,"plan_phase_done":false,"execute_phase_done":false}
f5c3cda963394a2d90c517f4d6dd80f4 adapter_run plandex:mutations/go-binary-search-offbyone 45343 ms {"timeout_s":600,"plugin_stack":[],"exit_code":1}
56a3bb3166754922b069faa88793f29b 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.

Other CLIs on this task

Other models with this CLI

Other tasks in this category

Embed this result
README / Markdown
[![CodingAgentBench: plandex × mistralai/mistral-small-4-119b-2603 44%](https://codingagentbench.com/badge/plandex/mistralai/mistral-small-4-119b-2603/mutations/go-binary-search-offbyone.svg)](https://codingagentbench.com/cell/plandex/mistralai/mistral-small-4-119b-2603/mutations/go-binary-search-offbyone)
HTML / iframe
<a href="https://codingagentbench.com/cell/plandex/mistralai/mistral-small-4-119b-2603/mutations/go-binary-search-offbyone"><img src="https://codingagentbench.com/badge/plandex/mistralai/mistral-small-4-119b-2603/mutations/go-binary-search-offbyone.svg" alt="CodingAgentBench: plandex × mistralai/mistral-small-4-119b-2603 44%" /></a>
CodingAgentBench: plandex × mistralai/mistral-small-4-119b-2603 44%