Grok 4.1 Fast
Grok 4.1 Fast is xAI's language model with a 2.0M context window and up to 30K output tokens, available from 3 providers, starting at $0.200 / 1M input and $0.500 / 1M output. xAI's best agentic tool-calling model with a 2-million-token context window, optimized for real-world tasks like customer support and deep research.
xAI's language model with a 2.0M context window and up to 30K output tokens, available from 3 providers, starting at $0.200 / 1M input and $0.500 / 1M output. xAI's best agentic tool-calling model with a 2-million-token context window, optimized for real-world tasks like customer support and deep research.23.6#102 |
19.5#103 |
34.3#115 |
0.7#116 |
0.6#135 |
0.1#179 |
0.4#117 |
0.4#162 |
0.36s#155 |
0.3#139 |
0.3#115 |
0.2#140 |
0.1#90 |
0.6#65 |
147.6#47 |
Capabilities
Input3/5
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Output1/5
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Capabilities4/13
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Pricing by Provider
| Provider | Standard | ||
|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | |
 OpenRouter | $0.200 | $0.500 | $0.050 |
xAI | $0.200 | $0.500 | $0.050 |
 Oracle Cloud (OCI) | $5.00 | $25.00 | N/A |
Cost Calculator
Preset:
Compares every provider & tier in USD
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Grok 4.20 Multi-Agent | 2.0M | $2.00 | $6.00 | Available | |
| Grok 4.20 Multi Agent Beta | 2.0M | $2.00 | $6.00 | Available | |
| Grok 4 20 Non-Reasoning | 2.0M | — | — | Available | |
| Grok 4 20 Reasoning | 2.0M | — | — | Available | |
| Grok 4 20 | — | 131K | $3.00 | $15.00 | Available |
| Grok 4.1 Fast | 2.0M | $0.200 | $0.500 | Current | |
| Grok 4.1 Fast Non-Reasoning | 2.0M | $0.200 | $0.500 | Available | |
| Grok 4.1 Fast Reasoning | 2.0M | $0.200 | $0.500 | Available | |
| Grok 4 Non-Reasoning | 2.0M | $2.00 | $6.00 | Available | |
| Grok 4 Reasoning | 2.0M | $2.00 | $6.00 | Available | |
| Grok 4 Fast | 2.0M | $0.200 | $0.500 | Available |