Keywords AI
Meta AI vs xAI
Compare Meta AI and xAI side by side. Both are tools in the Foundation Models category.
Quick Comparison
| Category | Foundation Models | Foundation Models |
| Pricing | Open Source | Usage-based |
| Best For | Developers and researchers who want full control over their AI models and infrastructure | Developers building applications that benefit from real-time information and social data access |
| Website | ai.meta.com | x.ai |
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When to Choose Meta AI vs xAI
- Self-hosted inference for data privacy
- Fine-tuning for domain-specific applications
- On-device AI for mobile and edge
- Applications needing real-time information
- Social media analysis and insights
- Conversational AI with personality
About Meta AI
Meta AI develops the Llama series of open-source large language models, which have become the foundation for a large portion of the open-source AI ecosystem. Llama models are freely available for commercial use, can be fine-tuned and self-hosted, and are offered through dozens of inference providers. Meta's commitment to open-source AI has made Llama one of the most widely deployed model families in the world, used by startups, enterprises, and researchers who need customizable, self-hosted AI capabilities.
About xAI
xAI, founded by Elon Musk, builds the Grok series of large language models. Grok is integrated into the X (formerly Twitter) platform and is available through an API for developers. Known for its real-time information access and conversational style, Grok competes with frontier models on reasoning and coding benchmarks. xAI operates one of the world's largest GPU training clusters.
What is Foundation Models?
Companies that train and release their own large language models and foundation models. These organizations invest in large-scale model training, publish research, and offer API access to their proprietary models.
Browse all Foundation Models tools →