Best StepFun Models for Writing

Match · Updated July 2026

The best StepFun model for writing is Step 3.7 Flash — 30.3 intelligence with the context to hold a full long-form draft. Step 3.5 Flash (26.0) is next.

30.3Intelligence

$0.200Input /M

262KContext

The best AI models for writing — drafting, editing, long-form content and creative work — ranked by general capability (the Artificial Analysis Intelligence Index) among models with the context to hold a full draft. There is no single writing benchmark, so this ranking uses overall intelligence as the proxy that correlates best with prose quality, restricted to models with at least 100K tokens of context.

Frequently asked

What is the best StepFun model for writing?

The best StepFun model for writing is Step 3.7 Flash — 30.3 intelligence with the context to hold a full long-form draft. Step 3.5 Flash (26.0) is next.

What's a good alternative to Step 3.7 Flash?

Step 3.5 Flash (26.0) is the closest alternative on this metric. See the full ranking above for the tradeoffs.

How many StepFun models are there?

modelgrep tracks 2 StepFun models with live benchmarks, speed, latency and per-provider pricing, led on intelligence by Step 3.7 Flash. 2 of them qualify for this ranking.

More StepFun rankings

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All rankings

Small & Fast LLMs Best Local LLMs Smartest LLMs Best LLMs for Coding Best LLMs for Design & Frontend Fastest LLMs Lowest-Latency LLMs Cheapest LLMs Best Free LLMs Best Reasoning LLMs Best Vision LLMs Best LLMs for Agents Best Open-Source LLMs Longest-Context LLMs Best LLMs for Math & Science Best LLMs for RAG Best LLMs for SQL & Data Analysis Best LLMs for Roleplay Best Uncensored LLMs