Keywords AI
Anthropic vs xAI
Compare Anthropic and xAI side by side. Both are tools in the Foundation Models category.
Quick Comparison
| Category | Foundation Models | Foundation Models |
| Pricing | Usage-based | Usage-based |
| Best For | Developers and enterprises who need reliable, safe, and capable AI for production applications | Developers building applications that benefit from real-time information and social data access |
| Website | anthropic.com | x.ai |
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When to Choose Anthropic vs xAI
- Long document analysis and summarization
- Complex reasoning and research tasks
- Autonomous coding and software engineering
- Applications needing real-time information
- Social media analysis and insights
- Conversational AI with personality
About Anthropic
Anthropic builds the Claude family of AI models, known for their strong reasoning capabilities, large context windows (up to 200K tokens), and emphasis on AI safety. Claude is widely regarded as one of the best models for coding, analysis, and long-document understanding. Anthropic pioneered Constitutional AI and the Model Context Protocol (MCP), an open standard for tool use and agent interoperability. The company serves enterprise customers through its API and the Claude.ai consumer product, with a focus on building reliable, steerable, and honest AI systems.
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 →