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CodingAgentBench

openhands × openai/gpt-oss-120b

polyglot
polyglot/rust-error-handling
Model incompatible with this TUI — they could not handshake.
All scores are reported as recorded. A failed run's zero is an honest measurement.

Per-axis scores

Pass
0.000
Tokens/correct
Wall
11.3s
Blast
0.000
Refusal
Integrity
1.000
Composite
0.563

Run identity

cell_id
free-20260527/openhands/openai/gpt-oss-120b/polyglot/rust-error-handling
sweep_id
free-20260527
container_image
codingagentbench/openhands:1.7.0
image_digest
sha256:7fcaf222644a5cb0afffe018f038d270130b5af3b8af366cd960f2d596a4342c
model_build_id
openai/gpt-oss-120b
exit_code
1

Timing

started_at
2026-06-16T02:03:44.259229Z
ended_at
2026-06-16T02:03:55.583593Z
duration
11.32 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 5 tests\ntest tests::happy_path ... ok\ntest tests::bad_input_reports_index_and_value ... FAILED\ntest tests::bad_input_does_not_panic ... FAILED\ntest tests::empty ... ok\ntest tests::negative_numbers ... ok\n\nfailures:\n\n---- tests::bad_input_reports_index_and_value stdout ----\n\nthread 'tests::bad_input_reports_index_and_value' (1730458) panicked at src/lib.rs:12:32:\ncalled `Result::unwrap()` on an `Err` value: ParseIntError { kind: InvalidDigit }\nnote: run with `RUST_BACKTRACE=1` environment variable to display a backtrace\n\n---- tests::bad_input_does_not_panic stdout ----\n\nthread 'tests::bad_input_does_not_panic' (1730457) panicked at src/lib.rs:12:32:\ncalled `Result::unwrap()` on an `Err` value: ParseIntError { kind: InvalidDigit }\n\n\nfailures:\n tests::bad_input_does_not_panic\n tests::bad_input_reports_index_and_value\n\ntest result: FAILED. 3 passed; 2 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":11324.364,"container_active_ms":11290.774000000001,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":0,"added":[],"removed":[],"modified":[],"unexpected_changes":[],"expected_changes":[],"total_changes":0,"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":0.5628773415721697,"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,"tokens_per_correct_task":0,"wall_clock_ms":11324.364,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.7525156104811317,"clean_blast":1,"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 / 11.32 s
span 0af20bed16dd48c5a3883c9fad27a265task_setupprepare:polyglot/rust-error-handling0 ms33 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-openhands-polyglot_rust-error-handling-fqxu2x0a/workdir
task_categorypolyglot
plugin_stack[]
behavior_modefactory

Watch it fail

the TUI and model could not handshake
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/openhands:1.7.0·sha256:sha256:7fcaf2226…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/openhands:1.7.0@sha256:sha256:7fcaf222644a5cb0afffe018f038d270130b5af3b8af366cd960f2d596a4342c

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/openhands:1.7.0@sha256:sha256:7fcaf222644a5cb0afffe018f038d270130b5af3b8af366cd960f2d596a4342c \
  run-cell \
    --tui openhands \
    --model openai/gpt-oss-120b \
    --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: openai/gpt-oss-120b
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui openhands \
  --model openai/gpt-oss-120b \
  --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 (5)

Span Kind Name Duration Attrs / Error
0af20bed16dd48c5a3883c9fad27a265 task_setup prepare:polyglot/rust-error-handling 33 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-openhands-polyglot_rust-error-handling-fqxu2x0a/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
8f535376eb2a42b4b746a85fc36fedb0 ↳ f2434d22ce674c469f5794dc076c7a46 tool_call applied_plugins 0 ms {"tui":"openhands","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
876bfa49f799446a90e3b5d9173f54a5 ↳ f2434d22ce674c469f5794dc076c7a46 container openhands:run 11291 ms {"image":"codingagentbench/openhands:1.7.0","command":["/app/.venv/bin/python","/opt/openhands_run.py","-t","Function uses unwrap on user input; replace with proper Result propagation","--workspace","/workspace"],"deviation":"root+docker.sock; see module docstring","exit_code":1,"timed_out":false,"docker_sock_mounted":true,"read_only":false}
f2434d22ce674c469f5794dc076c7a46 adapter_run openhands:polyglot/rust-error-handling 11291 ms {"timeout_s":600,"plugin_stack":[],"exit_code":1}
41d0491c6bc044d28e47896b18e55dc9 cleanup cleanup:openhands 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: openhands × openai/gpt-oss-120b 56%