Battle of the Models

Compare specific LLM models, context windows, and capabilities.

Grok 4.1 Fast

S-TIER

Grok (xAI)

Intelligence Score 96/100

Model Popularity 0 votes

Context Window 2M

Pricing Model Commercial / Paid

View Provider Analysis →

A-TIER

GitHub Models

Intelligence Score 88/100

Context Window 256K

Pricing Model Free / Open

Model Popularity 0 votes

View Provider Analysis →

FINAL VERDICT

With an intelligence score of 96/100 vs 88/100, Grok 4.1 Fast outperforms AI21 Jamba 1.5 Large by 8 points.

HEAD-TO-HEAD

Feature	Grok 4.1 Fast	AI21 Jamba 1.5 Large
Context Window	2M	256K
Architecture	Transformer	SSM-Transformer Hybrid (Mamba)
Est. MMLU Score	~92-95%	~80-84%
Release Date	2024	2024
Pricing Model	Paid / Commercial	Free Tier
Rate Limit (RPM)	Varies (low for free tier)	10 RPM (high-tier) / higher for mini-tier
Daily Limit	Credit-based	50 RPD (high-tier models) / 150 RPD (mini-tier models)
Capabilities	No specific data	No specific data
Performance Tier	S-Tier (Elite)	A-Tier (Excellent)
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	Restrictive limits Requires GitHub account Rate limits vary by Copilot tier
Key Strengths	Monthly renewing $25 free credits OpenAI-compatible API (drop-in replacement) Real-time knowledge from X/Twitter data	Prototyping