Battle of the Models

Compare specific LLM models, context windows, and capabilities.

Grok 4.1 Fast

DEPRECATED

Grok (xAI)

This model is no longer active/free — kept for reference.

Intelligence Score 96/100

Model Popularity 0 votes

Context Window 2M

Pricing Model Commercial / Paid

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 96/100 vs 65/100, Grok 4.1 Fast outperforms Qwen3.5 4B by 31 points.

Clear Winner: Significant performance advantage for Grok 4.1 Fast.

HEAD-TO-HEAD

Feature	Grok 4.1 Fast	Qwen3.5 4B
Context Window	2M	262K Context
Architecture	Transformer	Transformer (Open Weight)
Est. MMLU Score	~92-95%	~60-64%
Release Date	2024	2024
Pricing Model	Paid / Commercial	Free Tier
Rate Limit (RPM)	Varies (low for free tier)	Fixed limits for free models — exact figures require login, verify on cloud.siliconflow.cn/models
Daily Limit	Credit-based	Not fully published — verify on docs.siliconflow.cn
Capabilities	No specific data	No specific data
Performance Tier	S-Tier (Elite)	C-Tier (Good)
Speed Estimate	Medium	Medium
Primary Use Case	General Purpose	General Purpose
Model Size	Undisclosed	4B
Limitations	$25/month credit cap (generous but finite) Lower rate limits on free tier Vision models have smaller context	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	Monthly renewing $25 free credits OpenAI-compatible API (drop-in replacement) Real-time knowledge from X/Twitter data	OpenAI-compatible endpoint Mix of always-free and pay-per-token models Some models free ($0) after identity verification