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xAI: Grok 4.20
x-ai/grok-4.20
Grok 4.20 is a reasoning model from xAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...
specs & pricing
- Type
- text
- Provider
- x-ai
- Model ID
- x-ai/grok-4.20
- Capabilities
- vision, tools, reasoning
- Context window
- 2M tokens
- Input price
- $1.38 / 1M tokens
- Output price
- $2.75 / 1M tokens
Cloud price is billed from prepaid credits when a request fails over to the cloud. Open-weight models run free on GPUs you own — the gateway routes to your nodes first.