Agent may make mistakes. Verify all outputs.
Grok 4.20 Beta is the newest flagship 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 consistently precise and truthful responses.
import { streamText } from 'ai'
const result = streamText({ model: 'xai/grok-4.20-non-reasoning-beta', prompt: 'Why is the sky blue?'})Try out Grok 4.20 Beta Non-Reasoning by xAI. Usage is billed to your team at API rates. Free users (those who haven't made a payment) get $5 of credits every 30 days.
Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.
| Model |
|---|
| 1M | 1.0s | 91tps | $1.25/M | $2.50/M | Read: $0.2/M Write: — | — | — |  | 04/30/2026 | ||||
| 2M | 5.6s | 1123tps | $2.00/M | $6.00/M | Read: $0.2/M Write: — | — | — | | 03/11/2026 | ||||
| 2M | 0.8s | 109tps | $2.00/M | $6.00/M | Read: $0.2/M Write: — | — | — | | 03/11/2026 | ||||
| 2M | 3.1s | 644tps | $2.00/M | $6.00/M | Read: $0.2/M Write: — | — | — | | 03/09/2026 | ||||
| 2M | 2.6s | 92tps | $2.00/M | $6.00/M | Read: $0.2/M Write: — | — | — | | 03/09/2026 | ||||
| 2M | 1.3s | 108tps | $2.00/M | $6.00/M | Read: $0.2/M Write: — | — | — | | 03/09/2026 | ||||
| — | — | | 01/28/2026 | ||||||||||
| — | — | | 01/28/2026 | ||||||||||
$0.00/img$0.01/sec | — | — | | 01/28/2026 | |||||||||
| 2M | 0.7s | 43tps | $0.20/M | $0.50/M | Read: $0.05/M Write: — | — | — | | 09/19/2025 | ||||
| 256K | 0.3s | 97tps | $0.20/M | $1.50/M | Read:$0.02/M Write:— | — | — | | 08/28/2025 | ||||
| 256K | 3.5s | 72tps | $3.00/M | $15.00/M | Read: $0.75/M Write: — | — | — | | 07/09/2025 | ||||
| 2M | 2.7s | 99tps | $0.20/M | $0.50/M | Read: $0.05/M Write: — | — | — | | 07/09/2025 | ||||
| 2M | 0.6s | 97tps | $0.20/M | $0.50/M | Read: $0.05/M Write: — | — | — | | 07/09/2025 | ||||
| 2M | 6.9s | 183tps | $0.20/M | $0.50/M | Read: $0.05/M Write: — | — | — | | 07/09/2025 | ||||
| 131K | 0.6s | 47tps | $3.00/M | $15.00/M | Read:$0.75/M Write:— | — | — | | 02/17/2025 | ||||
| 131K | 0.4s | 50tps | $5.00/M | $25.00/M | Read:$1.25/M Write:— | — | — | | 02/17/2025 | ||||
| 131K | 0.4s | 100tps | $0.30/M | $0.50/M | Read:$0.07/M Write:— | — | — | | 02/17/2025 | ||||
| 131K | 0.4s | 115tps | $0.60/M | $4.00/M | — | — | | 02/17/2025 |