xAIgrok-4.202026 Frontier

SpaceXAI: Grok 4.20 API Pricing

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,...

Base Input Price$1.25/ 1M tokens

Base Output Price$2.50/ 1M tokens

Prompt Cache Read$0.200-84% discount

Batch API Rate-20%24h async offload

Inference Hosts & Aggregator Providers

Compare rates and latency across direct APIs, OpenRouter, and hyperscale cloud providers

Live verified rates

Provider Name	Input / 1M	Output / 1M	Prompt Caching	Access Endpoint
xAI Direct	$1.25	$2.50	Supported	Connect
OpenRouter	$1.25	$2.50	Supported	Connect

Head-to-Head Comparisons for SpaceXAI: Grok 4.20

SpaceXAI: Grok 4.20 vs OpenAI: GPT-6.1 Sol$1.25/M vs $2/M

SpaceXAI: Grok 4.20 vs GPT-4o (Omni)$1.25/M vs $2.5/M

SpaceXAI: Grok 4.20 vs Claude 3.5 Sonnet$1.25/M vs $3/M

SpaceXAI: Grok 4.20 vs DeepSeek-V3 (deepseek-chat)$1.25/M vs $0.27/M