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 fast agentic tool-calling LLM with a 2M context window, excelling at real-world use cases like customer support and deep research.
xai-grok-4-1-fast |
| Language |
| Deprecating |
| 2.0M tokens |
| 30K tokens |
| AudioImageText |
| Text |
| default |
| · 6 months ago |
23.6#183 |
19.5#176 |
34.3#169 |
0.7#172 |
0.6#223 |
0.1#277 |
0.4#172 |
0.4#258 |
0.43s#210 |
0.3#223 |
0.3#169 |
0.2#230 |
0.1#161 |
0.6#134 |
91.5#129 |
Capabilities
Input3/5
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Output1/5
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Capabilities6/13
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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 | |
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 | — | — | — |
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 | Current | |
| Grok 4 Fast | 2.0M | $0.200 | $0.500 | Deprecating | |
| 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 |