Battle of the Models

Compare specific LLM models, context windows, and capabilities.

AI21 Jamba 1.5 Large

DEPRECATED

GitHub Models

This model is no longer active/free — kept for reference.

Intelligence Score 88/100

Model Popularity 0 votes

Context Window 256K

Pricing Model Free / Open

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S-TIER

Grok (xAI)

Intelligence Score 96/100

Context Window 2M

Pricing Model Commercial / Paid

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	AI21 Jamba 1.5 Large	Grok 4.1 Fast
Context Window	256K	2M
Architecture	SSM-Transformer Hybrid (Mamba)	Transformer
Est. MMLU Score	~80-84%	~92-95%
Release Date	2024	2024
Pricing Model	Free Tier	Paid / Commercial
Rate Limit (RPM)	10 RPM (high-tier) / higher for mini-tier	Varies (low for free tier)
Daily Limit	50 RPD (high-tier models) / 150 RPD (mini-tier models)	Credit-based
Capabilities	No specific data	No specific data
Performance Tier	A-Tier (Excellent)	S-Tier (Elite)
Speed Estimate	Medium	Medium
Primary Use Case	General Purpose	General Purpose
Model Size	Undisclosed	Undisclosed
Limitations	Restrictive limits Requires GitHub account Rate limits vary by Copilot tier	$25/month credit cap (generous but finite) Lower rate limits on free tier Vision models have smaller context
Key Strengths	Prototyping	Monthly renewing $25 free credits OpenAI-compatible API (drop-in replacement) Real-time knowledge from X/Twitter data