Xai API Pricing (Updated 2026)
Compare pricing for all 9 Xai models. Prices shown per 1M tokens with historical trends.
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Overview
Model Release Timeline
10 releasesAll Xai Models
Compare pricing for all 9 Xai models.
Model | Context | Input | Output | Coding | MMLU | GPQA | Cache Read | Cache Write | Actions |
|---|---|---|---|---|---|---|---|---|---|
2.0M | $0.200 | $0.500 | 39.9 | 74.3 | 63.7 | $0.05 | - | ||
Grok 4.1 Fast Thinking | 2.0M | $0.200 | $0.500 | 82.2 | 85.4 | 85.3 | $0.05 | - | |
2.0M | $0.200 | $0.500 | 40.1 | 73.0 | 60.6 | $0.05 | - | ||
Grok 4 Fast Thinking | 2.0M | $0.200 | $0.500 | 83.2 | 85.0 | 84.7 | $0.05 | - | |
256K | $0.200 | $1.500 | 65.7 | 79.3 | 72.7 | $0.02 | - | ||
131K | $0.250 | $0.500 | 69.6 | 82.8 | 79.1 | $0.075 | - | ||
131K | $0.300 | $0.500 | — | — | — | $0.075 | - | ||
256K | $3.000 | $15.000 | 81.9 | 86.6 | 87.7 | $0.75 | - | ||
131K | $3.000 | $15.000 | — | — | — | $0.75 | - | ||
131K | $3.000 | $15.000 | — | — | — | $0.75 | - | ||
131K | $5.000 | $25.000 | — | — | — | - | - |
* Some models use tiered pricing based on prompt length. Displayed prices are for prompts under 200k tokens.
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