openhands × qwen/qwen3.5-122b-a10b

polyglot

polyglot/python-reverse-string

Per-axis scores

Pass

0.000

Tokens/correct

—

Wall

191.8s

Blast

0.000

Refusal

—

Integrity

1.000

Composite

0.515

Run identity

cell_id: free-20260527/openhands/qwen/qwen3.5-122b-a10b/polyglot/python-reverse-string
sweep_id: free-20260527
container_image: codingagentbench/openhands:1.7.0
image_digest: sha256:7fcaf222644a5cb0afffe018f038d270130b5af3b8af366cd960f2d596a4342c
model_build_id: qwen/qwen3.5-122b-a10b
exit_code: 0

Timing

started_at: 2026-05-31T20:01:39.844720Z
ended_at: 2026-05-31T20:04:51.677604Z
duration: 191.83 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":"","stderr_tail":"test_empty (test_reverse.TestReverse.test_empty) ... ok\ntest_palindrome_stays (test_reverse.TestReverse.test_palindrome_stays) ... ok\ntest_single_char (test_reverse.TestReverse.test_single_char) ... ok\ntest_unicode (test_reverse.TestReverse.test_unicode) ... FAIL\ntest_with_spaces (test_reverse.TestReverse.test_with_spaces) ... FAIL\ntest_word (test_reverse.TestReverse.test_word) ... FAIL\n\n======================================================================\nFAIL: test_unicode (test_reverse.TestReverse.test_unicode)\n----------------------------------------------------------------------\nTraceback (most recent call last):\n File \"/home/andrew/.codingagentbench-scratch/codingagentbench-openhands-polyglot_python-reverse-string-1fyiqxfe/workdir/tests/test_reverse.py\", line 27, in test_unicode\n self.assertEqual(reverse(\"héllo\"), \"olléh\")\nAssertionError: 'héllo' != 'olléh'\n- héllo\n+ olléh\n\n\n======================================================================\nFAIL: test_with_spaces (test_reverse.TestReverse.test_with_spaces)\n----------------------------------------------------------------------\nTraceback (most recent call last):\n File \"/home/andrew/.codingagentbench-scratch/codingagentbench-openhands-polyglot_python-reverse-string-1fyiqxfe/workdir/tests/test_reverse.py\", line 24, in test_with_spaces\n self.assertEqual(reverse(\"ab cd\"), \"dc ba\")\nAssertionError: 'ab cd' != 'dc ba'\n- ab cd\n+ dc ba\n\n\n======================================================================\nFAIL: test_word (test_reverse.TestReverse.test_word)\n----------------------------------------------------------------------\nTraceback (most recent call last):\n File \"/home/andrew/.codingagentbench-scratch/codingagentbench-openhands-polyglot_python-reverse-string-1fyiqxfe/workdir/tests/test_reverse.py\", line 18, in test_word\n self.assertEqual(reverse(\"hello\"), \"olleh\")\nAssertionError: 'hello' != 'olleh'\n- hello\n+ olleh\n\n\n----------------------------------------------------------------------\nRan 6 tests in 0.001s\n\nFAILED (failures=3)\n","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":191832.88400000002,"container_active_ms":191831.595,"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/python-reverse-string"}`
composite	composite, weights, components, note	{"composite":0.5150761498615781,"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":191832.88400000002,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.43384099907718765,"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

speedt = 0 ms / 191.83 s

span 913b421cdd2f46cb921e3a0ec2d377c8task_setupprepare:polyglot/python-reverse-string0 ms → 1 ms

workdir/home/andrew/.codingagentbench-scratch/codingagentbench-openhands-polyglot_python-reverse-string-1fyiqxfe/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/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 qwen/qwen3.5-122b-a10b \
    --task polyglot/python-reverse-string

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: qwen/qwen3.5-122b-a10b

Zero-install preview — npx CLI (provisional, not for citation)

npx @codingagentbench/cli check

npx @codingagentbench/cli check \
  --tui openhands \
  --model qwen/qwen3.5-122b-a10b \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task polyglot/python-reverse-string
# 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
913b421cdd2f46cb921e3a0ec2d377c8	task_setup	prepare:polyglot/python-reverse-string	1 ms	`{"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-openhands-polyglot_python-reverse-string-1fyiqxfe/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}`
2043b2360a0b483d88e3f1630fb44c5d ↳ c1f98c2bf3ec4ccea48df9e357792ea1	tool_call	applied_plugins	0 ms	`{"tui":"openhands","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}`
4b1b214438864e9795953591ee0ab71f ↳ c1f98c2bf3ec4ccea48df9e357792ea1	container	openhands:run	191832 ms	`{"image":"codingagentbench/openhands:1.7.0","command":["/app/.venv/bin/python","/opt/openhands_run.py","-t","Reverse a string in Python; broken implementation has a wrong slice","--workspace","/workspace"],"deviation":"root+docker.sock; see module docstring","exit_code":0,"timed_out":false,"docker_sock_mounted":true,"read_only":false}`
c1f98c2bf3ec4ccea48df9e357792ea1	adapter_run	openhands:polyglot/python-reverse-string	191832 ms	`{"timeout_s":600,"plugin_stack":[],"exit_code":0}`
0e229676ad034208a90054d619227b05	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 × qwen/qwen3.5-122b-a10b 52%](https://codingagentbench.com/badge/openhands/qwen/qwen3.5-122b-a10b/polyglot/python-reverse-string.svg)](https://codingagentbench.com/cell/openhands/qwen/qwen3.5-122b-a10b/polyglot/python-reverse-string)

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