Models on xAI · prices & measurements for models served by xAI’s APIUSD / MTOK · VERIFIED 23 MINUTES AGO
| MODEL | INPUT | OUTPUT | CONTEXT | QUANT | TTFT | TPS | VS BEST ELSEWHERE |
|---|---|---|---|---|---|---|---|
 Grok Build 0.1xAI | $1.00 | $2.00 | 256K | — | 0.64s° | 69° tok/s | only provider |
| Grok 4.3xAI | $1.25 | $2.50 | 1M | — | 1.5s | 36 tok/s | only provider |
| Grok 4.20 Multi-AgentxAI | $1.25 | $2.50 | 2M | — | ✕ | ✕ | only provider |
| Grok 4.20xAI | $1.25 | $2.50 | 2M | — | ✕ | ✕ | only provider |
| Grok 4.7xAI | $2.00 | $6.00 | 500K | — | 0.77s° | 88° tok/s | only provider |
| Grok 4.6xAIBEST PRICE | $2.00 | $6.00 | 500K | — | 1.6s | 9 tok/s | cheapest here |
| Grok 4.5xAI | $2.00 | $6.00 | 500K | — | 1.6s | 16 tok/s | only provider |
TTFT/TPS: ModelIndex-measured medians (P50, trailing 21d) for xAI’s endpoints · ° = measured via OpenRouter routing · ✕ = probed, no measurable stream · SMOKE: of 5 capability probes passed · methodology on each model page