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CodingAgentBench

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

polyglot
polyglot/go-json-parser-fix

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
56.3s
Blast
1.000
Refusal
—
Integrity
1.000
Composite
0.432

Run identity

cell_id
free-20260527/plandex/mistralai/mistral-small-4-119b-2603/polyglot/go-json-parser-fix
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
2026-06-16T20:39:37.263124Z
ended_at
2026-06-16T20:40:33.594641Z
duration
56.33 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: TestMarshal_IncludesZeroCount (0.00s)\n parser_test.go:26: zero count dropped: got map[name:x] want map[count:0 name:x]\n--- FAIL: TestMarshal_EmptyName (0.00s)\n parser_test.go:42: got map[name:] want map[count:0 name:]\nFAIL\nFAIL\tcodingagentbench/gojsonparser\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":56331.517,"container_active_ms":52345.577,"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":"polyglot/go-json-parser-fix"}
composite composite, weights, components, note {"composite":0.43233976999058576,"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":56331.517,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.5489317999372384,"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 / 56.33 s
span f4552d03253844118642b8ba88bebc44adapter_runplandex:polyglot/go-json-parser-fix0 ms → 56.33 s
timeout_s600
plugin_stack[]
exit_code1

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 polyglot/go-json-parser-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: 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 polyglot/go-json-parser-fix
# 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
c0a218e18ac6449fa810f24c074f89d3 task_setup prepare:polyglot/go-json-parser-fix 0 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-polyglot_go-json-parser-fix-u08s9dpk/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
aadca77276ba44129b89da0dc0ebd0c3 ↳ f4552d03253844118642b8ba88bebc44 tool_call applied_plugins 0 ms {"tui":"plandex","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
bc1d5739389642f580b325a1cf7275ee ↳ db9817c9887d43e58943b86a79ba57cd container plandex:phase=plan 0 ms {"phase":"plan","argv":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","JSON parser drops zero-valued fields because of `omitempty` on a required field"],"kind":"plan-first"}
31778fc040394d18a5c5288a33cd466b ↳ db9817c9887d43e58943b86a79ba57cd container plandex:phase=execute 0 ms {"phase":"execute","argv":["plandex","build",";","plandex","apply"],"auto_confirm":true}
db9817c9887d43e58943b86a79ba57cd ↳ f4552d03253844118642b8ba88bebc44 container plandex:pipeline 52346 ms {"image":"codingagentbench/plandex:v2.2.1","timeout_s":600,"plan_phase_cmd":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","JSON parser drops zero-valued fields because of `omitempty` on a required field"],"exec_phase_cmd":["plandex","build",";","plandex","apply"],"exit_code":1,"duration_s":46.41006055098842,"timed_out":false,"plan_phase_done":false,"execute_phase_done":false}
f4552d03253844118642b8ba88bebc44 adapter_run plandex:polyglot/go-json-parser-fix 56331 ms {"timeout_s":600,"plugin_stack":[],"exit_code":1}
9839188471f04d0dbd54eb203d3d0662 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 43%