Xai API Pricing (Updated 2026)
Compare pricing for all 8 Xai models. Prices shown per 1M tokens with historical trends.
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Last updated: February 15, 2026 at 08:07 AM
Overview
8
Total Models
$0.20
Cheapest Input (per 1M)
2000K
Max Context Length
Model Release Timeline
10 releasesApr 2025
$3.00 / $15.00
Apr 2025
$0.30 / $0.50
Jun 2025
$3.00 / $15.00
Jun 2025
$0.30 / $0.50
Jul 2025
$3.00 / $15.00
Aug 2025
$0.20 / $1.50
Sep 2025
$0.20 / $0.50
Sep 2025
$0.20 / $0.50
Nov 2025
$0.20 / $0.50
Nov 2025
$0.20 / $0.50
Spacing represents time between releases
Apr 2025→Nov 2025
All Xai Models
Compare pricing for all 8 Xai models.
Current Pricing (per 1M tokens)
10 models
Model | Input $/M | Output $/M | Coding | MMLU | GPQA | Cache Read | Cache Write | Context | Actions |
|---|---|---|---|---|---|---|---|---|---|
$0.200 | $0.500 | 39.9 | 74.3 | 63.7 | $0.050 | - | 2,000,000 | ||
Grok 4.1 Fast Thinking | $0.200 | $0.500 | 82.2 | 85.4 | 85.3 | $0.050 | - | 2,000,000 | |
$0.200 | $0.500 | 40.1 | 73.0 | 60.6 | $0.050 | - | 2,000,000 | ||
Grok 4 Fast Thinking | $0.200 | $0.500 | 83.2 | 85.0 | 84.7 | $0.050 | - | 2,000,000 | |
$0.200 | $1.500 | 65.7 | 79.3 | 72.7 | $0.020 | - | 256,000 | ||
$0.300 | $0.500 | — | — | — | $0.075 | - | 131,072 | ||
$0.300 | $0.500 | — | — | — | $0.075 | - | 131,072 | ||
$3.000 | $15.000 | 81.9 | 86.6 | 87.7 | $0.750 | - | 256,000 | ||
$3.000 | $15.000 | 42.5 | 79.9 | 69.3 | $0.750 | - | 131,072 | ||
$3.000 | $15.000 | — | — | — | $0.750 | - | 131,072 |
* Some models use tiered pricing based on prompt length. Displayed prices are for prompts ≤ 200k tokens.
Cost vs. Quality
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Grok 4
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Historical Pricing Trends
Price Changes Over Time
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