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...
Model details →Anthropic: Claude Sonnet 4.6 (batch) vs SpaceXAI: Grok 4.3 (batch)
SpaceXAI: Grok 4.3 (batch) wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
Grok 4.3 is a reasoning model from SpaceXAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual...
Model details →Side-by-side comparison
| Capability | Anthropic: Claude Sonnet 4.6 (batch) | SpaceXAI: Grok 4.3 (batch) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1M | 1M | Tie |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $1.50 | $1.00 | 🏆 SpaceXAI: Grok 4.3 (batch) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $7.50 | $2.00 | 🏆 SpaceXAI: Grok 4.3 (batch) |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| 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 (batch) better than SpaceXAI: Grok 4.3 (batch)?
SpaceXAI: Grok 4.3 (batch) wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Anthropic: Claude Sonnet 4.6 (batch) and SpaceXAI: Grok 4.3 (batch)?
Input: $1.50 vs $1.00 per 1M tokens. Output: $7.50 vs $2.00 per 1M tokens.
What context windows do Anthropic: Claude Sonnet 4.6 (batch) and SpaceXAI: Grok 4.3 (batch) support?
Anthropic: Claude Sonnet 4.6 (batch) supports up to 1M tokens. SpaceXAI: Grok 4.3 (batch) supports up to 1M tokens.
Do both Anthropic: Claude Sonnet 4.6 (batch) and SpaceXAI: Grok 4.3 (batch) support tool calling?
Anthropic: Claude Sonnet 4.6 (batch): yes. SpaceXAI: Grok 4.3 (batch): yes.