Context
131K
Max output
131K
Serving providers
2
Cheapest input
$5.00 /1M
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. 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 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OCICheapest | $5.00 | $25.00 | 1 | ||||||||||
Standardoci/xai.grok-3-fast
| |||||||||||||
| VercelVercel reseller quote | $5.00 | $25.00 | 1 | ||||||||||
Standardvercel_ai_gateway/xai/grok-3-fast
| |||||||||||||
Price history
listed seller prices, input and output per 1M tokens Input Output
Cost calculator
estimate your monthly spend on this model$3,000
estimated / month
Model IDs
copy the exact identifier for your platformoci/xai.grok-3-fastvercel_ai_gateway/xai/grok-3-fast
Frequently asked questions
Grok 3 Fast pricing, context and availabilityHow much does Grok 3 Fast cost?
Grok 3 Fast costs $5.00 per 1M input tokens from OCI, and $25.00 per 1M output tokens from OCI.
What is the context window of Grok 3 Fast?
Grok 3 Fast accepts up to 131K tokens of context and can return up to 131K output tokens.
Which providers serve Grok 3 Fast?
Grok 3 Fast is available from 2 serving providers, each with its own pricing and model ID. OCI is currently the cheapest.
What can Grok 3 Fast do?
Grok 3 Fast supports tool use.
Other xAI models
compare pricing across the xAI lineup Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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