SpaceXAI: Grok 4.20
x-ai/grok-4.20
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, delivering...
Modalities
In / Out Price
$1.25 / $2.50 per 1M
Context
2M
Released
Mar 31, 2026
Knowledge Cutoff
Sep 2025
Pricing
What Reroute charges per unit. No markup on inference — you pay the carrier's price, metered from the carrier's own usage numbers.
Input tokens
$1.25 / M
Output tokens
$2.50 / M
Cache read
$0.20 / M
Web search
$5 / K requests
Long-context pricing
Prompts over 200K tokens: $2.50 input / $5 output per M.
By provider
Each carrier sets its own price. The router weighs these against uptime when it picks one.
| Provider | Input /M | Output /M | Cache read /M | Cache write /M | Discount |
|---|---|---|---|---|---|
| xAI | $1.25 | $2.50 | $0.20 | — | — |
| xAI | $1.25 | $2.50 | $0.20 | — | — |
| xAI | $2.50 | $5 | $0.40 | — | — |
| xAI | $2.50 | $5 | $0.40 | — | — |