Battle of the Models

Compare specific LLM models, context windows, and capabilities.

StepFun Step 3.7 Flash

DEPRECATED

Kilo AI Gateway

This model is no longer active/free — kept for reference.

Intelligence Score 83/100

Model Popularity 0 votes

Context Window See provider

Pricing Model Free / Open

View Provider Analysis →

SiliconFlow

Intelligence Score 65/100

Context Window 262K Context

Pricing Model Free / Open

Model Popularity 0 votes

View Provider Analysis →

FINAL VERDICT

With an intelligence score of 83/100 vs 65/100, StepFun Step 3.7 Flash outperforms Qwen3.5 4B by 18 points.

Clear Winner: Significant performance advantage for StepFun Step 3.7 Flash.

HEAD-TO-HEAD

Feature	StepFun Step 3.7 Flash	Qwen3.5 4B
Context Window	See provider	262K Context
Architecture	Transformer	Transformer (Open Weight)
Est. MMLU Score	~75-79%	~60-64%
Release Date	2024	2024
Pricing Model	Free Tier	Free Tier
Rate Limit (RPM)	200 requests/hour per IP on free models (anonymous use allowed)	Fixed limits for free models — exact figures require login, verify on cloud.siliconflow.cn/models
Daily Limit	Default free models only	Not fully published — verify on docs.siliconflow.cn
Capabilities	No specific data	No specific data
Performance Tier	B-Tier (Strong)	C-Tier (Good)
Speed Estimate	⚡ Very Fast	Medium
Primary Use Case	⚡ Fast Chat & Apps	General Purpose
Model Size	Undisclosed	4B
Limitations	Free capacity and limits can change; verify on the provider site Listed from community submissions - partly verified	Free model list not published without logging in — verify exact models/limits in your dashboard before relying on this provider Requires identity verification, not just email signup Reportedly unavailable in EU/UK/Switzerland
Key Strengths	OpenAI-compatible API Multi-model access	OpenAI-compatible endpoint Mix of always-free and pay-per-token models Some models free ($0) after identity verification