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This model is no longer active/free — kept for reference.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

Upstage

Intelligence Score 77/100

Context Window 32K tokens

Pricing Model Commercial / Paid

Model Popularity 0 votes

View Provider Analysis →

FINAL VERDICT

With an intelligence score of 96/100 vs 77/100, Grok 4.1 Fast outperforms Solar Pro by 19 points.

Clear Winner: Significant performance advantage for Grok 4.1 Fast.

HEAD-TO-HEAD

Feature	Grok 4.1 Fast	Solar Pro
Context Window	2M	32K tokens
Architecture	Transformer	Transformer
Est. MMLU Score	~92-95%	~70-74%
Release Date	2024	2024
Pricing Model	Paid / Commercial	Paid / Commercial
Rate Limit (RPM)	Varies (low for free tier)	60 RPM
Daily Limit	Credit-based	Credit-based
Capabilities	No specific data	Reasoning
Performance Tier	S-Tier (Elite)	B-Tier (Strong)
Speed Estimate	Medium	Medium
Primary Use Case	General Purpose	General Purpose
Model Size	Undisclosed	Undisclosed
Limitations	$25/month credit cap (generous but finite) Lower rate limits on free tier Vision models have smaller context	Credits expire after 3 months Focus on document processing Smaller context window (32k)
Key Strengths	Monthly renewing $25 free credits OpenAI-compatible API (drop-in replacement) Real-time knowledge from X/Twitter data	Solar Architecture: Depth-Up-Scaling Specialized in OCR and Document Parse Translation capabilities (KO/EN/JA)