Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work. It excels at iterative development, complex codebase navigation, end-to-end project management with memor…
Model details →Anthropic: Claude Sonnet 4.6 vs xAI: Grok 4.20 Multi-Agent Beta
xAI: Grok 4.20 Multi-Agent Beta wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Grok 4.20 Multi-Agent Beta is a variant of xAI’s Grok 4.20 designed for collaborative, agent-based workflows. Multiple agents operate in parallel to conduct deep research, coordinate tool use, and synthesize information across complex tasks…
Model details →Side-by-side comparison
| Capability | Anthropic: Claude Sonnet 4.6 | xAI: Grok 4.20 Multi-Agent Beta | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1M | 2M | 🏆 xAI: Grok 4.20 Multi-Agent Beta |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $3.00 | $2.00 | 🏆 xAI: Grok 4.20 Multi-Agent Beta |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $15.00 | $6.00 | 🏆 xAI: Grok 4.20 Multi-Agent Beta |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | — | 🏆 Anthropic: Claude Sonnet 4.6 |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Anthropic: Claude Sonnet 4.6 better than xAI: Grok 4.20 Multi-Agent Beta?
xAI: Grok 4.20 Multi-Agent Beta wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Anthropic: Claude Sonnet 4.6 and xAI: Grok 4.20 Multi-Agent Beta?
Input: $3.00 vs $2.00 per 1M tokens. Output: $15.00 vs $6.00 per 1M tokens.
What context windows do Anthropic: Claude Sonnet 4.6 and xAI: Grok 4.20 Multi-Agent Beta support?
Anthropic: Claude Sonnet 4.6 supports up to 1M tokens. xAI: Grok 4.20 Multi-Agent Beta supports up to 2M tokens.
Do both Anthropic: Claude Sonnet 4.6 and xAI: Grok 4.20 Multi-Agent Beta support tool calling?
Anthropic: Claude Sonnet 4.6: yes. xAI: Grok 4.20 Multi-Agent Beta: not advertised.