Grok 4 1 Fast Reasoning pricing
Grok 4 1 Fast Reasoning appears on 3 price rows here. Lowest input is $0.200 per million tokens from Azure. Lowest output is $0.500 per million tokens from Azure. Use the table and chart, then the calculator for your own volume.
Pricing across providers
Every row is a seller of Grok 4 1 Fast Reasoning with token pricing we track. The cheapest input in this snapshot is from Azure. The bar chart shows the same input and output dollars per million for a quick scan.
| Provider | Input / 1M | Output / 1M | Cached input | Batch |
|---|---|---|---|---|
A Azure | $0.200 | $0.500 | — | — |
GV Google Vertex | $0.200 | $0.500 | $0.050 | — |
X xAInative | $1.25 | $2.50 | $0.200 | — |
Input vs output · per provider
Pricing history
If you only care about current multi seller rates, use the pricing section. This timeline is for the official listing history. The native listing moved from $0.200 in and $0.500 out to $1.25 in and $2.50 out in the latest window.
Since Aug 30, 2026
$1.25 in · $2.50 out(current listing)
Output rate +400% vs previous period
Apr 7, 2026 → Aug 30, 2026
$0.200 in · $0.500 out
Cost calculator
The calculator uses the same dollars per million tokens as the table. Adjust sliders to see how Grok 4 1 Fast Reasoning cost scales with traffic.
Provider
0.020000¢ / req
0.025000¢ / req
Model specifications
These fields describe Grok 4 1 Fast Reasoning as we store it (source: xAI). They sit next to price so buyers can check limits and tools in one place.
- Context window
- 131,072 tokens
- Max output
- 131,072 tokens
- Vision (images)
- No
- Tool / function calling
- Yes
- Streaming
- No
- Released
- N/A
- Primary provider
- xAI
- Model family
- N/A
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Frequently asked questions
Read these after the table if you want plain language around Grok 4 1 Fast Reasoning rates.
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