Grok 4.20 is a reasoning model from SpaceXAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...
Model details →SpaceXAI: Grok 4.20 vs Anthropic Claude Sonnet Latest
SpaceXAI: Grok 4.20 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
This model always redirects to the latest model in the Anthropic Claude Sonnet family.
Model details →Side-by-side comparison
| Capability | SpaceXAI: Grok 4.20 | Anthropic Claude Sonnet Latest | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 2M | 1M | 🏆 SpaceXAI: Grok 4.20 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $1.25 | $2.00 | 🏆 SpaceXAI: Grok 4.20 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $2.50 | $10.00 | 🏆 SpaceXAI: Grok 4.20 |
| 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 SpaceXAI: Grok 4.20 better than Anthropic Claude Sonnet Latest?
SpaceXAI: Grok 4.20 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between SpaceXAI: Grok 4.20 and Anthropic Claude Sonnet Latest?
Input: $1.25 vs $2.00 per 1M tokens. Output: $2.50 vs $10.00 per 1M tokens.
What context windows do SpaceXAI: Grok 4.20 and Anthropic Claude Sonnet Latest support?
SpaceXAI: Grok 4.20 supports up to 2M tokens. Anthropic Claude Sonnet Latest supports up to 1M tokens.
Do both SpaceXAI: Grok 4.20 and Anthropic Claude Sonnet Latest support tool calling?
SpaceXAI: Grok 4.20: yes. Anthropic Claude Sonnet Latest: yes.
Compare SpaceXAI: Grok 4.20 with other models
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