Grok 4.20 (Reasoning)
xAI
Grok 4.20 (Reasoning) by xAI costs $1.25 per 1M input tokens and $2.50 per 1M output tokens, with a 1M-token context window.
Pricing
Input (per 1M tokens)
$1.25
Output (per 1M tokens)
$2.50
Cached input (per 1M)
$0.20
Specifications
- Provider
- xAI
- Context window
- 1M tokens
- Parameters
- —
- Released
- Mar 2026
- Open weights
- No
- Frontier model
- No
Benchmarks
- LiveBenchreasoning/coding
- 69.0
- LMArena (Chatbot Arena) Elohuman-preference
- 1454.7
Compare Grok 4.20 (Reasoning) with…
Grok 4.20 (Reasoning) vs xAI: Grok Build 0.1$2.00/1MGrok 4.20 (Reasoning) vs xAI: Grok 4.3$2.50/1MGrok 4.20 (Reasoning) vs xAI: Grok 4.20 Multi-Agent$2.50/1MGrok 4.20 (Reasoning) vs xAI: Grok 4.20$2.50/1MGrok 4.20 (Reasoning) vs Grok 4.20 Multi-Agent$2.50/1MGrok 4.20 (Reasoning) vs Grok 4.20 (Non-Reasoning)$2.50/1M
FAQ
Pricing is per 1M tokens (USD); confirm with the provider before production use.