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CodingAgentBench

opencode × meta/llama-3.3-70b-instruct

polyglot
polyglot/python-reverse-string

Per-axis scores

Pass
1.000
Tokens/correct
—
Wall
552.1s
Blast
0.000
Refusal
—
Integrity
1.000
Composite
0.905

Run identity

cell_id
free-20260527/opencode/meta/llama-3.3-70b-instruct/polyglot/python-reverse-string
sweep_id
free-20260527
container_image
codingagentbench/opencode:v1.15.10
image_digest
sha256:e56bdb69fb83ea2f8c81c06257f190fd4b5e91077e83d5536f722ff1b9c70275
model_build_id
meta/llama-3.3-70b-instruct
exit_code
0

Timing

started_at
2026-06-16T00:42:32.825625Z
ended_at
2026-06-16T00:51:44.950796Z
duration
552.13 s
tokens
not recorded

Scorer breakdown

Axis Keys Values
pass_rate pass, exit_code, timed_out, stdout_tail, stderr_tail, partial_score {"pass":1,"exit_code":0,"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) ... ok\ntest_with_spaces (test_reverse.TestReverse.test_with_spaces) ... ok\ntest_word (test_reverse.TestReverse.test_word) ... ok\n\n----------------------------------------------------------------------\nRan 6 tests in 0.000s\n\nOK\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":1}
latency wall_clock_ms, container_active_ms, model_call_ms {"wall_clock_ms":552125.171,"container_active_ms":552123.545,"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":["src/reverse.py"],"unexpected_changes":[],"expected_changes":["src/reverse.py"],"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/python-reverse-string"}
composite composite, weights, components, note {"composite":0.9045487664948468,"weights":{"pass_rate":0.4,"integrity":0.2,"cost":0.15,"latency":0.15,"blast_radius":0.1},"components":{"pass_rate":1,"integrity":1,"blast_radius":0,"tokens_per_correct_task":0,"wall_clock_ms":552125.171,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.3636584432989784,"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 / 552.13 s
span f22bea0c8fd74020b86c1e70a46a843atask_setupprepare:polyglot/python-reverse-string0 ms → 1 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-opencode-polyglot_python-reverse-string-fs4rjw7x/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/opencode:v1.15.10·sha256:sha256:e56bdb69f…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/opencode:v1.15.10@sha256:sha256:e56bdb69fb83ea2f8c81c06257f190fd4b5e91077e83d5536f722ff1b9c70275

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/opencode:v1.15.10@sha256:sha256:e56bdb69fb83ea2f8c81c06257f190fd4b5e91077e83d5536f722ff1b9c70275 \
  run-cell \
    --tui opencode \
    --model meta/llama-3.3-70b-instruct \
    --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.

opencode — BYO endpoint wiring
# Write .opencode/config.json in the task workdir:
# {
#   "providers": {
#     "codingagentbench": {
#       "type": "openai",
#       "options": {
#         "baseURL": "$YOUR_ENDPOINT",
#         "apiKey": "$YOUR_KEY"
#       },
#       "models": [{ "id": "$YOUR_MODEL_ID", "name": "$YOUR_MODEL_ID" }]
#     }
#   }
# }

opencode run \
  --format json \
  --dangerously-skip-permissions \
  -m codingagentbench/$YOUR_MODEL_ID

# Published cell used model: meta/llama-3.3-70b-instruct
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui opencode \
  --model meta/llama-3.3-70b-instruct \
  --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
f22bea0c8fd74020b86c1e70a46a843a task_setup prepare:polyglot/python-reverse-string 1 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-opencode-polyglot_python-reverse-string-fs4rjw7x/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
8f2476ee19894aca98c36f6f3fa5c0e1 ↳ 32a12b14015a4d09abb2fec6f846f61d tool_call applied_plugins 0 ms {"tui":"opencode","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
5fb7b4c4b2e84f06a3bc7500b05703ba ↳ 32a12b14015a4d09abb2fec6f846f61d container opencode-run:polyglot/python-reverse-string 552124 ms {"image":"codingagentbench/opencode:v1.15.10","model":"meta/llama-3.3-70b-instruct","base_url":"http://172.17.0.1:31415/v1","exit_code":0,"duration_s":552.039,"timed_out":false,"image_digest":"sha256:e56bdb69fb83ea2f8c81c06257f190fd4b5e91077e83d5536f722ff1b9c70275"}
32a12b14015a4d09abb2fec6f846f61d adapter_run opencode:polyglot/python-reverse-string 552124 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
37bf99843f784208b11719d7962ea2e5 cleanup cleanup:opencode 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: opencode × meta/llama-3.3-70b-instruct 90%