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CodingAgentBench

opencode × openai/gpt-oss-120b

polyglot
polyglot/go-slice-dedup

Per-axis scores

Pass
1.000
Tokens/correct
—
Wall
12.6s
Blast
0.000
Refusal
—
Integrity
1.000
Composite
0.961

Run identity

cell_id
free-20260527/opencode/openai/gpt-oss-120b/polyglot/go-slice-dedup
sweep_id
free-20260527
container_image
codingagentbench/opencode:v1.15.10
image_digest
sha256:e56bdb69fb83ea2f8c81c06257f190fd4b5e91077e83d5536f722ff1b9c70275
model_build_id
openai/gpt-oss-120b
exit_code
0

Timing

started_at
2026-06-16T00:59:14.149311Z
ended_at
2026-06-16T00:59:26.786816Z
duration
12.64 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":"ok \tcodingagentbench/goslicededup\t0.002s\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":1}
latency wall_clock_ms, container_active_ms, model_call_ms {"wall_clock_ms":12637.505000000001,"container_active_ms":12632.182999999999,"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":["dedup.go"],"unexpected_changes":[],"expected_changes":["dedup.go"],"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/go-slice-dedup"}
composite composite, weights, components, note {"composite":0.9607151151902958,"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":12637.505000000001,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.7381007679353053,"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 / 12.64 s
span daed482b45e9459ca291d52b46ae0278task_setupprepare:polyglot/go-slice-dedup0 ms → 4 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-opencode-polyglot_go-slice-dedup-gx73o_8u/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/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 openai/gpt-oss-120b \
    --task polyglot/go-slice-dedup

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: openai/gpt-oss-120b
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui opencode \
  --model openai/gpt-oss-120b \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task polyglot/go-slice-dedup
# 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
daed482b45e9459ca291d52b46ae0278 task_setup prepare:polyglot/go-slice-dedup 4 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-opencode-polyglot_go-slice-dedup-gx73o_8u/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
70addf2c2a71410cb08879c1383e3e38 ↳ a132c2f77c164b9fbe8af5d4617f9374 tool_call applied_plugins 0 ms {"tui":"opencode","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
b854407b280442c080850b81ffd232d2 ↳ a132c2f77c164b9fbe8af5d4617f9374 container opencode-run:polyglot/go-slice-dedup 12632 ms {"image":"codingagentbench/opencode:v1.15.10","model":"openai/gpt-oss-120b","base_url":"http://172.17.0.1:31415/v1","exit_code":0,"duration_s":12.614,"timed_out":false,"image_digest":"sha256:e56bdb69fb83ea2f8c81c06257f190fd4b5e91077e83d5536f722ff1b9c70275"}
a132c2f77c164b9fbe8af5d4617f9374 adapter_run opencode:polyglot/go-slice-dedup 12633 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
a8f5e7ac270d4264a753cec5071e6077 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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<a href="https://codingagentbench.com/cell/opencode/openai/gpt-oss-120b/polyglot/go-slice-dedup"><img src="https://codingagentbench.com/badge/opencode/openai/gpt-oss-120b/polyglot/go-slice-dedup.svg" alt="CodingAgentBench: opencode × openai/gpt-oss-120b 96%" /></a>
CodingAgentBench: opencode × openai/gpt-oss-120b 96%