xAI
Grok model family offering cutting-edge LLMs and multimodal APIs. Grok 4.1 Thinking (#3 on LMArena at ~1475 ELO) and Grok 4.1 standard (~1464 ELO) support up to 2M token context window—the largest in fast inference. Grok 4.1 Fast at $0.20/$0.50 per 1M tokens delivers top-tier quality at exceptional value. Premium Grok 4 available at $3/$15. Includes Grok 2-Vision for vision tasks, Grok Imagine API for image/video generation, and Voice Agent API at $0.05/min. OpenAI-compatible API, $25 signup credits, and $150/mo data-sharing rewards. Grok 3 open-sourcing planned.
Overview
| Category | Ai |
| Self-Hostable | No |
| On-Prem | No |
| Best For | startup, growth, enterprise |
| Last Verified | 2026-02-13 |
Strengths & Weaknesses
Strengths:- performance
- cost
- Smaller ecosystem and fewer integrations than OpenAI/Anthropic
- Limited documentation compared to established providers
- Platform maturity still developing
When to Use
Best when:- Need top-3 quality at competitive pricing (Grok 4.1 Fast at $0.20/$0.50)
- Need largest context window (2M tokens)
- Want access to real-time X/Twitter data
- Image/video generation (Grok Imagine API)
- Need maximum ecosystem compatibility and third-party integrations
- Require self-hosting capabilities (Grok 3 open-sourcing pending)