Skip to main content
CodingAgentBench

codex × stepfun-ai/step-3.5-flash

polyglot
polyglot/go-slice-dedup

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
40.1s
Blast
0.000
Refusal
—
Integrity
1.000
Composite
0.538

Run identity

cell_id
expansion-20260616/codex/stepfun-ai/step-3.5-flash/polyglot/go-slice-dedup
sweep_id
expansion-20260616
container_image
codingagentbench/codex:v0.140.0
image_digest
sha256:52116224fbc698acc448343890c4542efcc101a950ef8c8de1eca3e051f228bc
model_build_id
stepfun-ai/step-3.5-flash
exit_code
0

Timing

started_at
2026-06-17T00:52:50.113677Z
ended_at
2026-06-17T00:53:30.236971Z
duration
40.12 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":"FAIL\tcodingagentbench/goslicededup [build failed]\nFAIL\n","stderr_tail":"# codingagentbench/goslicededup [codingagentbench/goslicededup.test]\n./dedup.go:3:8: \"sort\" imported and not used\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":40123.294,"container_active_ms":40091.419,"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":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/go-slice-dedup"}
composite composite, weights, components, note {"composite":0.53823323858412,"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":40123.294,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.5882215905607999,"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 / 40.12 s
span c02cfb0af59549c1a0c45879fe89b970task_setupprepare:polyglot/go-slice-dedup0 ms → 14 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-codex-polyglot_go-slice-dedup-i9ecn07y/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/codex:v0.140.0·sha256:sha256:52116224f…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/codex:v0.140.0@sha256:sha256:52116224fbc698acc448343890c4542efcc101a950ef8c8de1eca3e051f228bc

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/codex:v0.140.0@sha256:sha256:52116224fbc698acc448343890c4542efcc101a950ef8c8de1eca3e051f228bc \
  run-cell \
    --tui codex \
    --model stepfun-ai/step-3.5-flash \
    --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.

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: stepfun-ai/step-3.5-flash
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui codex \
  --model stepfun-ai/step-3.5-flash \
  --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
c02cfb0af59549c1a0c45879fe89b970 task_setup prepare:polyglot/go-slice-dedup 14 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-codex-polyglot_go-slice-dedup-i9ecn07y/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
7045dd45fff6422ea5a70099b7163a0a ↳ 5206cd95806742728e1c92ea834055ad tool_call applied_plugins 0 ms {"tui":"codex","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
9f9f1f36d9ce4a0ca69ebcbf9d63926a ↳ 5206cd95806742728e1c92ea834055ad container codex:launch 40091 ms {"image":"codingagentbench/codex:v0.140.0","argv":["exec","--dangerously-bypass-approvals-and-sandbox","--skip-git-repo-check","--ephemeral","--ignore-user-config","-m","stepfun-ai/step-3.5-flash","-c","model_providers.nim={ name = 'nim', base_url = 'http://172.17.0.1:31415/v1', wire_api = 'responses', env_key = 'OPENAI_API_KEY' }","-c","model_provider=\"nim\"","--disable","multi_agent","--disable","browser_use","--disable","browser_use_external","--disable","computer_use","--disable","apps","Dedup a slice preserving first-seen order; current impl mutates input and produces wrong order"],"timeout_s":600,"exit_code":0,"duration_s":40.0717365659948,"timed_out":false}
5206cd95806742728e1c92ea834055ad adapter_run codex:polyglot/go-slice-dedup 40109 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
95bf3095075f43e59ab483c30c4ecd2d cleanup cleanup:codex 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: codex × stepfun-ai/step-3.5-flash 54%](https://codingagentbench.com/badge/codex/stepfun-ai/step-3.5-flash/polyglot/go-slice-dedup.svg)](https://codingagentbench.com/cell/codex/stepfun-ai/step-3.5-flash/polyglot/go-slice-dedup)
HTML / iframe
<a href="https://codingagentbench.com/cell/codex/stepfun-ai/step-3.5-flash/polyglot/go-slice-dedup"><img src="https://codingagentbench.com/badge/codex/stepfun-ai/step-3.5-flash/polyglot/go-slice-dedup.svg" alt="CodingAgentBench: codex × stepfun-ai/step-3.5-flash 54%" /></a>
CodingAgentBench: codex × stepfun-ai/step-3.5-flash 54%