OpenAI GPT-5.4 vs xAI Grok 4.20: Performance and Usability Comparison
- OpenAI launched GPT-5.4 on March 5, following the release of GPT-5.3 Instant on March 3.
- xAI’s Grok model, versioned at Grok 4.20, is in beta and available to SuperGrok subscribers.
- GPT-5.4 excels in reliability and reasoning, while Grok is noted for personality and speed.
- GPT-5.4 is priced at $20/month for Plus users, whereas Grok requires a $30/month subscription for full access.
Both models aim to deliver more human-like interactions than their predecessors, with distinct strengths in different areas of application.
For structured reasoning tasks requiring accuracy, GPT-5.4 is recommended due to its reliable outputs in coding and logic tests.(Source)
