Battle of the Models

Compare specific LLM models, context windows, and capabilities.

Mistral Leanstral 1.5

Requesty

Intelligence Score 65/100

Model Popularity 0 votes

Context Window 262K Context

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This model is no longer active/free — kept for reference.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 65/100, Grok 4.1 Fast outperforms Mistral Leanstral 1.5 by 31 points.

Clear Winner: Significant performance advantage for Grok 4.1 Fast.

HEAD-TO-HEAD

Feature	Mistral Leanstral 1.5	Grok 4.1 Fast
Context Window	262K Context	2M
Architecture	Transformer (Open Weight)	Transformer
Est. MMLU Score	~60-64%	~92-95%
Release Date	2024	2024
Pricing Model	Free Tier	Paid / Commercial
Rate Limit (RPM)	20 RPM on free models (60 RPM for paying orgs)	Varies (low for free tier)
Daily Limit	200 requests/day (new orgs) / 1,000/day (paying orgs), shared across free models	Credit-based
Capabilities	No specific data	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	Requires underlying provider API keys Free credit amount is limited Routing adds minimal latency	$25/month credit cap (generous but finite) Lower rate limits on free tier Vision models have smaller context
Key Strengths	AI Router: automatic provider failover Prompt caching for cost savings Multi-provider load balancing	Monthly renewing $25 free credits OpenAI-compatible API (drop-in replacement) Real-time knowledge from X/Twitter data