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CodingAgentBench

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

polyglot
polyglot/go-http-handler-fix

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
47.1s
Blast
1.000
Refusal
—
Integrity
1.000
Composite
0.435

Run identity

cell_id
free-20260527/plandex/mistralai/mistral-small-4-119b-2603/polyglot/go-http-handler-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
2026-06-16T20:39:35.741589Z
ended_at
2026-06-16T20:40:22.811562Z
duration
47.07 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: TestGreet_MissingNameReturns400 (0.00s)\n handler_test.go:34: status: got 200 want 400\n--- FAIL: TestGreet_EmptyNameReturns400 (0.00s)\n handler_test.go:44: status: got 200 want 400\nFAIL\nFAIL\tcodingagentbench/gohttphandler\t0.003s\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":47069.973,"container_active_ms":47068.914000000004,"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-http-handler-fix"}
composite composite, weights, components, note {"composite":0.43540158575436744,"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":47069.973,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.5693439050291164,"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 / 47.07 s
span 6738084247ec403e99ecc71662c3d2f4task_setupprepare:polyglot/go-http-handler-fix0 ms → 1 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-polyglot_go-http-handler-fix-bfmdwk6m/workdir
task_categorypolyglot
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 polyglot/go-http-handler-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-http-handler-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
6738084247ec403e99ecc71662c3d2f4 task_setup prepare:polyglot/go-http-handler-fix 1 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-polyglot_go-http-handler-fix-bfmdwk6m/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
ab3c598662a04f3fa37cebfbae2aa55d ↳ 1e7090a7ec65498abedd5c12b8eaea96 tool_call applied_plugins 0 ms {"tui":"plandex","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
b02d775a18be4f4a852e092e628a8c2c ↳ e69c4f572d0e495a9947fa82a681a8fa container plandex:phase=plan 0 ms {"phase":"plan","argv":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","HTTP handler writes body before setting status code, locking the response to 200"],"kind":"plan-first"}
a9fcdddd8f9247a99910a1576f518626 ↳ e69c4f572d0e495a9947fa82a681a8fa container plandex:phase=execute 0 ms {"phase":"execute","argv":["plandex","build",";","plandex","apply"],"auto_confirm":true}
e69c4f572d0e495a9947fa82a681a8fa ↳ 1e7090a7ec65498abedd5c12b8eaea96 container plandex:pipeline 47069 ms {"image":"codingagentbench/plandex:v2.2.1","timeout_s":600,"plan_phase_cmd":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","HTTP handler writes body before setting status code, locking the response to 200"],"exec_phase_cmd":["plandex","build",";","plandex","apply"],"exit_code":1,"duration_s":47.03984954900807,"timed_out":false,"plan_phase_done":false,"execute_phase_done":false}
1e7090a7ec65498abedd5c12b8eaea96 adapter_run plandex:polyglot/go-http-handler-fix 47069 ms {"timeout_s":600,"plugin_stack":[],"exit_code":1}
34babe7bee3349609ead70eaaa8f3f75 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%