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model profile
Excellentopen

step-3.5-flash

StepFun·step-3-5-flash
Rank · overall#27
Score74.2

Benchmark scores

4 benchmarks
CodingAgentBench92%
Pass rate
Chatbot Arena (Coding)1433Coding Elo
MathArena Apex13.5%
Accuracy
BrowseComp69%
Accuracy

Across harnesses

10 agents
Qwen CodeCLI
92%———
99
OpenCodeTUI
88%———
96
Copilot CLICLI
84%———
96
OpenHandsAgent
84%———
96
piCLI
76%———
89
AiderCLI
72%———
86
Codex CLICLI
68%———
84
CrushTUI
60%———
77
GooseCLI
24%———
61
PlandexCLI
8%———
44

Per-benchmark score · composite per harness. Tap a row to open that board.

Scraped and aggregated from public leaderboards · 2026-08-16