SpaceXAI: Grok 4.5
x-ai/grok-4.5
Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.
Modalities
In / Out Price
$2 / $6 per 1M
Context
500K
Released
Jul 8, 2026
Knowledge Cutoff
—
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 | 500K | $2 | $6 | $0.30 | — | — | 100.00% |
| xAI | 500K | $2 | $6 | $0.30 | — | — | 100.00% |
| xAI | 500K | $4 | $12 | $0.60 | — | — | — |
| xAI | 500K | $4 | $12 | $0.60 | — | — | — |