Best StepFun Models for Math & Science

Match · Updated July 2026

The best StepFun model for math and science is Step 3.5 Flash, scoring 82.6% on GPQA Diamond (graduate-level physics, chemistry and biology). Step 3.7 Flash (80.9%) is next.

82.6%GPQA

26.0Intelligence

$0.100Input /M

262KContext

AI models ranked by GPQA Diamond — graduate-level physics, chemistry and biology questions that can't be answered by lookup. The best LLMs for math, quantitative reasoning and hard-science work.

Frequently asked

What is the best StepFun model for math?

The best StepFun model for math and science is Step 3.5 Flash, scoring 82.6% on GPQA Diamond (graduate-level physics, chemistry and biology). Step 3.7 Flash (80.9%) is next.

What's a good alternative to Step 3.5 Flash?

Step 3.7 Flash (80.9%) 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 Writing Best LLMs for RAG Best LLMs for SQL & Data Analysis Best LLMs for Roleplay Best Uncensored LLMs