Claude 3.5 Sonnet vs Grok 2
A side-by-side comparison of two Frontier LLM models - to help you pick the right one.
Claude 3.5 Sonnet
Anthropic
Claude 3.5 Sonnet is Anthropic's balanced frontier large language model with vision capabilities. It excels at coding, analysis, and agentic tool use, and supports both text and image inputs.
Grok 2
xAI
Grok 2 is xAI's flagship conversational model, offering real-time context and strong reasoning capabilities. It is a Frontier LLM designed for high-performance text-based tasks. The model excels in scenarios requiring deep understanding and generation of complex text.
Spec comparison
| Claude 3.5 Sonnet | Grok 2 | |
|---|---|---|
| Provider | Anthropic | xAI |
| Category | Frontier LLM | Frontier LLM |
| Context window | 200K ctx | 131K ctx |
| Max output | 8K ctx | - |
| Input price | $3 / 1M | $2 / 1M |
| Output price | $15 / 1M | $10 / 1M |
| License | Proprietary | Proprietary |
| Open weights | No | No |
| Modality | Text, Vision | Text |
Prices and specs are per provider documentation; verify current figures before relying on them.
Claude 3.5 Sonnet: what it's for
Claude 3.5 Sonnet is Anthropic's balanced frontier large language model with vision capabilities. It excels at coding, analysis, and agentic tool use, and supports both text and image inputs.
Grok 2: what it's for
Grok 2 is xAI's flagship conversational model, offering real-time context and strong reasoning capabilities. It is a Frontier LLM designed for high-performance text-based tasks. The model excels in scenarios requiring deep understanding and generation of complex text.