Skip to main content
CodingAgentBench

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

polyglot
polyglot/python-reverse-string

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
234.4s
Blast
1.000
Refusal
—
Integrity
1.000
Composite
0.413

Run identity

cell_id
free-20260527/aider/mistralai/mistral-small-4-119b-2603/polyglot/python-reverse-string#run1
sweep_id
free-20260527
container_image
codingagentbench/aider:v0.86.0
image_digest
sha256:f2cd27890475900f9cb617b1c7a6328989a48e8168e7280ac2247a5d2d26d8a1
model_build_id
mistralai/mistral-small-4-119b-2603
exit_code
0

Timing

started_at
2026-05-28T02:14:09.355123Z
ended_at
2026-05-28T02:18:03.770878Z
duration
234.41 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 \"/tmp/codingagentbench-aider-polyglot_python-reverse-string-yxhvhw47/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 \"/tmp/codingagentbench-aider-polyglot_python-reverse-string-yxhvhw47/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 \"/tmp/codingagentbench-aider-polyglot_python-reverse-string-yxhvhw47/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":234415.755,"container_active_ms":217750.67799999999,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":1,"added":[".aider.chat.history.md",".aider.input.history",".aider.tags.cache.v4/cache.db",".aider/analytics.json",".aider/caches/model_prices_and_context_window.json",".aider/installs.json"],"removed":[],"modified":[],"unexpected_changes":[".aider.chat.history.md",".aider.input.history",".aider.tags.cache.v4/cache.db",".aider/analytics.json",".aider/caches/model_prices_and_context_window.json",".aider/installs.json"],"expected_changes":[],"total_changes":6,"extra_git_dir":true}
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":0.4128106721306675,"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":234415.755,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.4187378142044502,"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 / 234.41 s
span f09325c74acc45ae8d7cee671a2ca129task_setupprepare:polyglot/python-reverse-string0 ms → 33 ms
workdir/tmp/codingagentbench-aider-polyglot_python-reverse-string-yxhvhw47/workdir
task_categorypolyglot
plugin_stack[]
behavior_modefactory

Terminal playback

replay of the run — opencode cells show genuine step timing; others show a span summary

Run it yourself

Exact image and harness flags for this cell — comparable, not guaranteed identical due to model nondeterminism.

Imagecodingagentbench/aider:v0.86.0·sha256:sha256:f2cd27890…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/aider:v0.86.0@sha256:sha256:f2cd27890475900f9cb617b1c7a6328989a48e8168e7280ac2247a5d2d26d8a1

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/aider:v0.86.0@sha256:sha256:f2cd27890475900f9cb617b1c7a6328989a48e8168e7280ac2247a5d2d26d8a1 \
  run-cell \
    --tui aider \
    --model mistralai/mistral-small-4-119b-2603 \
    --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: mistralai/mistral-small-4-119b-2603
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui aider \
  --model mistralai/mistral-small-4-119b-2603 \
  --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 (6)

Span Kind Name Duration Attrs / Error
f09325c74acc45ae8d7cee671a2ca129 task_setup prepare:polyglot/python-reverse-string 33 ms {"workdir":"/tmp/codingagentbench-aider-polyglot_python-reverse-string-yxhvhw47/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
a760a773e2ec42e7950186a3fb079b26 ↳ 562fe40a7476428190f0023e88cdf293 task_setup aider:git-init-marker 0 ms {"workdir":"/tmp/codingagentbench-aider-polyglot_python-reverse-string-yxhvhw47/workdir","git_dir_exists":true}
c410d6ccf74b4dc991801ad70d74226b ↳ 562fe40a7476428190f0023e88cdf293 tool_call applied_plugins 0 ms {"tui":"aider","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
71ee1d503f804601b2086a5e55f42aae ↳ 562fe40a7476428190f0023e88cdf293 container aider:launch 217750 ms {"image":"codingagentbench/aider:v0.86.0","argv":["--yes-always","--no-stream","--no-check-update","--no-analytics","--no-show-model-warnings","--no-suggest-shell-commands","--no-auto-commits","--no-pretty","--openai-api-base","http://172.17.0.1:31415/v1","--openai-api-key","sk-ijYE3GGIl2pTqBtwcCcuaIsZzYIIFrIWLMG3qmOK","--model","openai/mistralai/mistral-small-4-119b-2603","--subtree-only","--message","Reverse a string in Python; broken implementation has a wrong slice"],"timeout_s":600,"exit_code":0,"duration_s":217.72935316100484,"timed_out":false}
562fe40a7476428190f0023e88cdf293 adapter_run aider:polyglot/python-reverse-string 234382 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
2620528fb83849dcb09f36fb7a9fb0ec cleanup cleanup:aider 0 ms {}

Model calls (0)

# Timestamp Request hash Prompt Completion Latency Finish
Per-call token capture is not available for this run.

Other CLIs on this task

Other models with this CLI

Other tasks in this category

Embed this result
README / Markdown
[![CodingAgentBench: aider × mistralai/mistral-small-4-119b-2603 41%](https://codingagentbench.com/badge/aider/mistralai/mistral-small-4-119b-2603/polyglot/python-reverse-string.svg)](https://codingagentbench.com/cell/aider/mistralai/mistral-small-4-119b-2603/polyglot/python-reverse-string)
HTML / iframe
<a href="https://codingagentbench.com/cell/aider/mistralai/mistral-small-4-119b-2603/polyglot/python-reverse-string"><img src="https://codingagentbench.com/badge/aider/mistralai/mistral-small-4-119b-2603/polyglot/python-reverse-string.svg" alt="CodingAgentBench: aider × mistralai/mistral-small-4-119b-2603 41%" /></a>
CodingAgentBench: aider × mistralai/mistral-small-4-119b-2603 41%