Context
131K
Max output
131K
Serving providers
1
Cheapest input
$5.00 /1M
Prices are on-demand list rates. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.
Pricing by serving provider
standard tier · per 1M tokens · click a provider to expand| Serving provider | Input /1M | Output /1M | Endpoints | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| xAICheapest | $5.00 | $25.00 | 1 | |||||||||||||||||||||
| ||||||||||||||||||||||||
Price history
input + output $/1M since we started tracking Input Output
Cost calculator
estimate your monthly spend on this model$3,000
estimated / month
Model IDs
copy the exact identifier for your platformxai/grok-3-fast-beta
Frequently asked questions
Grok 3 Fast Beta pricing, context and availabilityHow much does Grok 3 Fast Beta cost?
Grok 3 Fast Beta costs $5.00 per 1M input tokens and $25.00 per 1M output tokens at its cheapest provider via xAI.
What is the context window of Grok 3 Fast Beta?
Grok 3 Fast Beta accepts up to 131K tokens of context and can return up to 131K output tokens.
What can Grok 3 Fast Beta do?
Grok 3 Fast Beta supports tool use, prompt caching and web search.
Other xAI models
compare pricing across the xAI lineupGrok 4$3.00/1M · 5 providersGrok 4.1 Fast Non Reasoning$0.20/1M · 3 providersGrok 4.1 Fast Reasoning$0.20/1M · 3 providersGrok 3 Mini$0.25/1M · 3 providersGrok 3$3.00/1M · 3 providersGrok 4 Fast Non Reasoning$0.20/1M · 2 providersGrok 4 Fast Reasoning$0.20/1M · 2 providersGrok Code Fast 1$0.20/1M · 2 providers
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