Grok Build 0.1
Grok Build 0.1 is xAI's language model with a 256K context window, available from 3 providers, starting at $1.00 / 1M input and $2.00 / 1M output. A fast coding-focused LLM from xAI optimized for agentic software engineering workflows, supporting vision and tool-use with implicit caching.
Capabilities
Input2/5
Text✓
Image✓
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities5/13
Reasoning✓
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling·
Structured Outputs✓
Native JSON Schema✓
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching✓
Assistant Prefill·
Pricing by Provider
| Provider | Standard | Batch | |||||
|---|---|---|---|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | Web Search $ / query | Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | |
 OpenRouter | $1.00 | $2.00 | $0.200 | $0.0050 | — | — | — |
 Vercel AI Gateway | $1.00 | $2.00 | $0.200 | N/A | — | — | — |
xAI | $1.00 | $2.00 | $0.200 | N/A | $0.500 | $1.00 | $0.100 |
Cost Calculator
Preset:
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 | $1.25 | $2.50 | Deprecated | |
| Grok 4 Fast | 131K | $0.200 | $0.500 | Deprecated | |
| Grok 4 Fast Non-Reasoning | 2.0M | $0.200 | $0.500 | Available | |
| Grok 4 | 256K | $1.25 | $2.50 | Deprecated | |
| Grok Build 0.1 | 256K | $1.00 | $2.00 | Current |