Grok 4 Fast
DeprecatesGrok 4 Fast is xAI's language model with a 2.0M context window and up to 30K output tokens, available from 4 providers, starting at $0.200 / 1M input and $0.500 / 1M output. A cost-efficient multimodal LLM from xAI with a 2M token context window, available in both reasoning and non-reasoning flavors.
xAI's language model with a 2.0M context window and up to 30K output tokens, available from 4 providers, starting at $0.200 / 1M input and $0.500 / 1M output. A cost-efficient multimodal LLM from xAI with a 2M token context window, available in both reasoning and non-reasoning flavors.23.1#191 |
19.0#180 |
41.3#148 |
0.7#182 |
0.6#244 |
0.1#278 |
0.4#169 |
0.4#245 |
0.38s#203 |
0.3#195 |
0.4#148 |
0.2#242 |
0.1#174 |
0.6#135 |
46.8#228 |
Capabilities
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Output1/5
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Capabilities4/13
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Pricing by Provider
| Provider | Standard | Batch | |||||
|---|---|---|---|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | Web Search $ / query | Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | |
 Azure AI Foundry | $0.200 | $0.500 | N/A | N/A | — | — | — |
 OpenRouter | $0.200 | $0.500 | $0.050 | $0.0050 | — | — | — |
xAI | $0.200 | $0.500 | $0.050 | N/A | $0.100 | $0.250 | $0.025 |
 Oracle Cloud (OCI) | $5.00 | $25.00 | N/A | N/A | — | — | — |
Regional pricing
Provider-specific pricing that varies by region.
Azure AI Foundry
23 regions
| Region | Standard | |
|---|---|---|
| Input $ / 1M | Output $ / 1M | |
| Global | ||
| Global | $0.200 | $0.500 |
| Europe | ||
| France Central (Paris)/ francecentral | $0.220 | $0.550 |
| Germany North (Berlin)/ germanynorth | $0.220 | $0.550 |
| Germany West Central (Frankfurt)/ germanywestcentral | $0.220 | $0.550 |
| Italy North (Milan)/ italynorth | $0.220 | $0.550 |
| North Europe (Ireland)/ northeurope | $0.220 | $0.550 |
| Norway East (Norway)/ norwayeast | $0.220 | $0.550 |
| Poland Central (Warsaw)/ polandcentral | $0.480 | $1.90 |
| Spain Central (Madrid)/ spaincentral | $0.220 | $0.550 |
| Sweden Central (Gävle)/ swedencentral | $0.220 | $0.550 |
| Switzerland North (Zurich)/ switzerlandnorth | $0.480 | $1.90 |
| Switzerland West (Geneva)/ switzerlandwest | $0.480 | $1.90 |
| UK South (London)/ uksouth | $0.480 | $1.90 |
| West Europe (Netherlands)/ westeurope | $0.220 | $0.550 |
| US | ||
| Central US (Iowa)/ centralus | $0.220 | $0.550 |
| East US (Virginia)/ eastus | $0.220 | $0.550 |
| East US 2 (Virginia)/ eastus2 | $0.220 | $0.550 |
| North Central US (Illinois)/ northcentralus | $0.220 | $0.550 |
| South Central US (Texas)/ southcentralus | $0.220 | $0.550 |
| West Central US (Wyoming)/ westcentralus | $0.220 | $0.550 |
| West US (California)/ westus | $0.220 | $0.550 |
| West US 2 (Washington)/ westus2 | $0.220 | $0.550 |
| West US 3 (Phoenix)/ westus3 | $0.220 | $0.550 |
Cost Calculator
Preset:
Compares every provider & tier in USD
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Grok 4.3 | 1.0M | $1.25 | $2.50 | Available | |
| Grok 4.20 | 2.0M | $1.25 | $2.50 | Available | |
| Grok 4.20 Multi-Agent | 2.0M | $1.25 | $2.50 | Available | |
| Grok 4.20 Multi-Agent Beta | 2.0M | $1.25 | $2.50 | Available | |
| Grok 4.20 Non-Reasoning | 2.0M | $1.25 | $2.50 | Available | |
| Grok 4.20 Reasoning | 2.0M | $1.25 | $2.50 | Available | |
| Grok 4.1 Fast | 2.0M | $0.200 | $0.500 | Deprecating | |
| Grok 4 Fast | 2.0M | $0.200 | $0.500 | Current | |
| Grok 4 Fast Non-Reasoning | 2.0M | $0.200 | $0.500 | Available | |
| Grok 4 | 256K | $3.00 | $15.00 | Deprecating | |
| Grok 4 Reasoning | 2.0M | $0.200 | $0.500 | Available |