Grok 4.20 Beta Reasoning
Vercel AI Gateway
Grok 4.20 Beta Reasoning by Vercel AI Gateway costs $1.25 per 1M input tokens and $2.50 per 1M output tokens, with a 2M-token context window.
Pricing
Input (per 1M tokens)
$1.25
Output (per 1M tokens)
$2.50
Cached input (per 1M)
$0.20
Specifications
- Provider
- Vercel AI Gateway
- Context window
- 2M tokens
- Parameters
- —
- Released
- Mar 2026
- Open weights
- No
- Frontier model
- No
Compare Grok 4.20 Beta Reasoning with…
Grok 4.20 Beta Reasoning vs gemini-2.5-flash-preview-09-2025$2.50/1MGrok 4.20 Beta Reasoning vs Gemini 2.5 Flash$2.50/1MGrok 4.20 Beta Reasoning vs Gemini 3.5 Flash Lite$2.50/1MGrok 4.20 Beta Reasoning vs Kimi K2 Thinking$2.50/1MGrok 4.20 Beta Reasoning vs Kimi K2.5$2.50/1MGrok 4.20 Beta Reasoning vs Grok 4.3$2.50/1M
FAQ
How much does Grok 4.20 Beta Reasoning cost?
Grok 4.20 Beta Reasoning is priced at $1.25 per 1M input tokens and $2.50 per 1M output tokens. Output tokens cost more than input.
What is Grok 4.20 Beta Reasoning's context window?
Grok 4.20 Beta Reasoning supports a context window of 2M tokens — the maximum prompt plus response length it can handle in a single request.
Is Grok 4.20 Beta Reasoning open weight?
No — Grok 4.20 Beta Reasoning is a closed/proprietary model accessed via API.
Data as of 2026-06-28. Source: models.dev (open). Pricing is per 1M tokens (USD); confirm with the provider before production use.