Battle of the Models

Compare specific LLM models, context windows, and capabilities.

WhisperX

Lepton AI

Intelligence Score 65/100

Model Popularity 0 votes

Context Window Audio

Pricing Model Commercial / Paid

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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This model is no longer active/free — kept for reference.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 WhisperX by 31 points.

Clear Winner: Significant performance advantage for Grok 4.1 Fast.

HEAD-TO-HEAD

Feature	WhisperX	Grok 4.1 Fast
Context Window	Audio	2M
Architecture	Transformer	Transformer
Est. MMLU Score	~60-64%	~92-95%
Release Date	2024	2024
Pricing Model	Paid / Commercial	Paid / Commercial
Rate Limit (RPM)	60 RPM	Varies (low for free tier)
Daily Limit	Credit-based	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	Credits needed for production volume Smaller model selection than aggregators Focus on deployment over just API	$25/month credit cap (generous but finite) Lower rate limits on free tier Vision models have smaller context
Key Strengths	Standard OpenAI-compatible APIs Deploy custom models with one command High throughput optimization	Monthly renewing $25 free credits OpenAI-compatible API (drop-in replacement) Real-time knowledge from X/Twitter data