Battle of the Models

Compare specific LLM models, context windows, and capabilities.

StepFun Step 5 Preview

DEPRECATED

Kilo AI Gateway

This model is no longer active/free — kept for reference.

Intelligence Score 65/100

Model Popularity 0 votes

Context Window 1M Context

Pricing Model Free / Open

View Provider Analysis →

Nebius (Token Factory)

Intelligence Score 65/100

Context Window Long context

Pricing Model Free / Open

Model Popularity 0 votes

View Provider Analysis →

FINAL VERDICT

Equal intelligence scores (65/100), but StepFun Step 5 Preview offers a significantly larger context window.

Close Match: The difference is minimal. Consider other factors like pricing and features.

HEAD-TO-HEAD

Feature	StepFun Step 5 Preview	Qwen3.5 397B A17B
Context Window	1M Context	Long context
Architecture	Transformer	Transformer (Open Weight)
Est. MMLU Score	~60-64%	~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)	Dynamic limits (adaptive per 15-minute window, not a fixed RPM)
Daily Limit	Default free models only	Credit-based
Capabilities	No specific data	No specific data
Performance Tier	C-Tier (Good)	C-Tier (Good)
Speed Estimate	Medium	⚡ Very Fast
Primary Use Case	General Purpose	General Purpose
Model Size	Undisclosed	397B
Limitations	Free capacity and limits can change; verify on the provider site Listed from community submissions - partly verified	$1 credit is small (good for testing) Limited model selection compared to aggregators Beta features may change
Key Strengths	OpenAI-compatible API Multi-model access	Nebius Studio: Interactive playground OpenAI Compatibility: Easy swap Cost Effective: Competitive pricing