Battle of the Models

Compare specific LLM models, context windows, and capabilities.

Phi-2

Cloudflare Workers AI

Intelligence Score 70/100

Model Popularity 0 votes

Context Window 2K

Pricing Model Free / Open

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DEPRECATED

Grok (xAI)

This model is no longer active/free — kept for reference.

Intelligence Score 96/100

Context Window 2M

Pricing Model Commercial / Paid

Model Popularity 0 votes

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FINAL VERDICT

With an intelligence score of 96/100 vs 70/100, Grok 4.1 Fast outperforms Phi-2 by 26 points.

Clear Winner: Significant performance advantage for Grok 4.1 Fast.

HEAD-TO-HEAD

Feature	Phi-2	Grok 4.1 Fast
Context Window	2K	2M
Architecture	Transformer	Transformer
Est. MMLU Score	~65-69%	~92-95%
Release Date	2024	2024
Pricing Model	Free Tier	Paid / Commercial
Rate Limit (RPM)	Varies by model	Varies (low for free tier)
Daily Limit	10,000 neurons/day	Credit-based
Capabilities	Reasoning	No specific data
Performance Tier	C-Tier (Good)	S-Tier (Elite)
Speed Estimate	Medium	Medium
Primary Use Case	General Purpose	General Purpose
Model Size	Undisclosed	Undisclosed
Limitations	10,000 neurons/day cap (varies per model) Larger models consume more neurons per request No fine-tuning support	$25/month credit cap (generous but finite) Lower rate limits on free tier Vision models have smaller context
Key Strengths	Edge inference: runs closest to user 50+ models: LLM, image gen, classification, speech Workers integration for serverless apps	Monthly renewing $25 free credits OpenAI-compatible API (drop-in replacement) Real-time knowledge from X/Twitter data