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
Providers
Different carriers host the same model. Reroute routes each request to the best one on price and uptime, and fails over to the next if a carrier goes down.
| Provider | Context | Input /M | Output /M | Cache read /M | Latency | Throughput | Uptime |
|---|---|---|---|---|---|---|---|
| xAI | 2M | $1.25 | $2.50 | $0.20 | — | — | 100.00% |
| xAI | 2M | $1.25 | $2.50 | $0.20 | — | — | 100.00% |
| xAI | 2M | $2.50 | $5 | $0.40 | — | — | — |
| xAI | 2M | $2.50 | $5 | $0.40 | — | — | — |