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CodingAgentBench

plandex × meta/llama-4-maverick-17b-128e-instruct

polyglot
polyglot/rust-error-handling

Per-axis scores

Pass
0.000
Tokens/correct
Wall
120.9s
Blast
0.500
Refusal
Integrity
1.000
Composite
0.471

Run identity

cell_id
expansion-20260616/plandex/meta/llama-4-maverick-17b-128e-instruct/polyglot/rust-error-handling
sweep_id
expansion-20260616
container_image
codingagentbench/plandex:v2.2.1
image_digest
sha256:4b86de012d4a8e3f013a6fbb1ba37b9431e110dfc33d06dc3e0f94c70c0d8327
model_build_id
meta/llama-4-maverick-17b-128e-instruct
exit_code
0

Timing

started_at
2026-06-17T11:59:05.133799Z
ended_at
2026-06-17T12:01:05.993335Z
duration
120.86 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":"nts` here\n...\n19 | pub fn sum_ints(input: &str) -> Result<i32, std::num::ParseIntError> {\n | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `sum_ints` redefined here\n |\n = note: `sum_ints` must be defined only once in the value namespace of this module\n\nerror[E0308]: mismatched types\n --> src/lib.rs:60:29\n |\n60 | assert_eq!(sum_ints(\"1 2 3\"), Ok(6));\n | -------- ^^^^^^^ expected `&[&str]`, found `&str`\n | |\n | arguments to this function are incorrect\n |\n = note: expected reference `&[&str]`\n found reference `&'static str`\nnote: function defined here\n --> src/lib.rs:9:8\n |\n 9 | pub fn sum_ints(values: &[&str]) -> Result<i64, ParseError> {\n | ^^^^^^^^ ---------------\n\nerror[E0308]: mismatched types\n --> src/lib.rs:65:26\n |\n65 | assert!(sum_ints(\"1 2 abc\").is_err());\n | -------- ^^^^^^^^^ expected `&[&str]`, found `&str`\n | |\n | arguments to this function are incorrect\n |\n = note: expected reference `&[&str]`\n found reference `&'static str`\nnote: function defined here\n --> src/lib.rs:9:8\n |\n 9 | pub fn sum_ints(values: &[&str]) -> Result<i64, ParseError> {\n | ^^^^^^^^ ---------------\n\nerror[E0308]: mismatched types\n --> src/lib.rs:70:29\n |\n70 | assert_eq!(sum_ints(\"\"), Ok(0));\n | -------- ^^ expected `&[&str]`, found `&str`\n | |\n | arguments to this function are incorrect\n |\n = note: expected reference `&[&str]`\n found reference `&'static str`\nnote: function defined here\n --> src/lib.rs:9:8\n |\n 9 | pub fn sum_ints(values: &[&str]) -> Result<i64, ParseError> {\n | ^^^^^^^^ ---------------\n\nerror: aborting due to 4 previous errors\n\nSome errors have detailed explanations: E0308, E0428.\nFor more information about an error, try `rustc --explain E0308`.\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":120859.53600000001,"container_active_ms":120858.175,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":0.5,"added":[".plandex-v2/projects-v2.json"],"removed":[],"modified":["src/lib.rs"],"unexpected_changes":[".plandex-v2/projects-v2.json"],"expected_changes":["src/lib.rs"],"total_changes":2,"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/rust-error-handling"}
composite composite, weights, components, note {"composite":0.4708614980371693,"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":0.5,"tokens_per_correct_task":0,"wall_clock_ms":120859.53600000001,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.47240998691446223,"clean_blast":0.5,"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 / 120.86 s
span 251ac74f9e4e4dbfa2700e741e6eee2dtask_setupprepare:polyglot/rust-error-handling0 ms1 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-polyglot_rust-error-handling-3w3n7u2p/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:sha256:4b86de012…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/plandex:v2.2.1@sha256:sha256:4b86de012d4a8e3f013a6fbb1ba37b9431e110dfc33d06dc3e0f94c70c0d8327

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/plandex:v2.2.1@sha256:sha256:4b86de012d4a8e3f013a6fbb1ba37b9431e110dfc33d06dc3e0f94c70c0d8327 \
  run-cell \
    --tui plandex \
    --model meta/llama-4-maverick-17b-128e-instruct \
    --task polyglot/rust-error-handling

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: meta/llama-4-maverick-17b-128e-instruct
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui plandex \
  --model meta/llama-4-maverick-17b-128e-instruct \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task polyglot/rust-error-handling
# 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
251ac74f9e4e4dbfa2700e741e6eee2d task_setup prepare:polyglot/rust-error-handling 1 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-polyglot_rust-error-handling-3w3n7u2p/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
fac714abd65e443c94e7c66182ac5eda ↳ f2ca579d73154a7d8eabd26407e85b1a tool_call applied_plugins 0 ms {"tui":"plandex","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
0714b052fefc45e1bab483f28626e6fa ↳ 6fe8d7a592bb42d3a8658851a588e978 container plandex:phase=plan 0 ms {"phase":"plan","argv":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Function uses unwrap on user input; replace with proper Result propagation"],"kind":"plan-first"}
07371026041b4e23a7e7e6460b36355d ↳ 6fe8d7a592bb42d3a8658851a588e978 container plandex:phase=execute 0 ms {"phase":"execute","argv":["plandex","build",";","plandex","apply"],"auto_confirm":true}
6fe8d7a592bb42d3a8658851a588e978 ↳ f2ca579d73154a7d8eabd26407e85b1a container plandex:pipeline 120858 ms {"image":"codingagentbench/plandex:v2.2.1","timeout_s":600,"plan_phase_cmd":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Function uses unwrap on user input; replace with proper Result propagation"],"exec_phase_cmd":["plandex","build",";","plandex","apply"],"exit_code":0,"duration_s":120.82438931800425,"timed_out":false,"plan_phase_done":true,"execute_phase_done":true}
f2ca579d73154a7d8eabd26407e85b1a adapter_run plandex:polyglot/rust-error-handling 120859 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
67ac9f7800d84b8a947d52d6b5b19009 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 × meta/llama-4-maverick-17b-128e-instruct 47%