Author's Description
Grok Build 0.1 is xAI’s fast coding model trained specifically for agentic software engineering workflows. It supports text and image inputs with text output, and is optimized for interactive coding...
Key Specifications
Supported Parameters
This model supports the following parameters:
Features
This model supports the following features:
Performance Summary
Grok Build 0.1, xAI's fast coding model, demonstrates moderate speed performance, ranking in the 33rd percentile across benchmarks. Its pricing is positioned at premium levels, falling into the 11th percentile. A standout feature is its exceptional reliability, achieving a 100% success rate across all benchmarks, indicating consistent and usable responses. The model exhibits significant strengths in specific areas. It achieved perfect accuracy in both Hallucinations (100%) and Ethics (100%), notably being the most accurate model at its price point and speed for both. Its Coding performance is strong, scoring 95.0% accuracy (90th percentile), making it highly effective for its intended agentic software engineering workflows. General Knowledge (99.5%) and Reasoning (96.0%) also show robust capabilities. A notable weakness is its Instruction Following, where it achieved 60.0% accuracy, placing it in the 53rd percentile, suggesting room for improvement in handling complex multi-layered instructions. Mathematics (93.0%) and Email Classification (99.0%) demonstrate solid, though not top-tier, performance.
Model Pricing
Current Pricing
| Feature | Price (per 1M tokens) |
|---|---|
| Prompt | $1 |
| Completion | $2 |
| Input Cache Read | $0.2 |
| Web Search | $5000 |
Price History
Available Endpoints
| Provider | Endpoint Name | Context Length | Pricing (Input) | Pricing (Output) |
|---|---|---|---|---|
|
xAI
|
xAI | x-ai/grok-build-0.1-20260520 | 256K | $1 / 1M tokens | $2 / 1M tokens |
Benchmark Results
| Benchmark | Category | Reasoning | Strategy | Free | Executions | Accuracy | Cost | Duration |
|---|
Other Models by x-ai
|
|
Released | Params | Context |
|
Speed | Ability | Cost |
|---|---|---|---|---|---|---|---|
| xAI: Grok 4.3 Unavailable | Apr 30, 2026 | — | 1M |
Image input
Text input
Text output
|
★★ | ★★★★★ | $$$$$ |
| xAI: Grok 4.3 | Apr 30, 2026 | — | 1M |
Image input
Text input
Text output
|
★ | ★★★★★ | $$$$$ |
| xAI: Grok 4.20 Multi-Agent Unavailable | Mar 31, 2026 | — | 2M |
Image input
File input
Text input
Text output
|
— | — | $$$$$ |
| xAI: Grok 4.20 Multi-Agent | Mar 31, 2026 | — | 2M |
Image input
File input
Text input
Text output
|
— | — | $$$$$ |
| xAI: Grok 4.20 Unavailable | Mar 31, 2026 | — | 2M |
Image input
Text input
Text output
|
— | — | $$$$$ |
| xAI: Grok 4.20 | Mar 31, 2026 | — | 2M |
Image input
File input
Text input
Text output
|
— | — | $$$$$ |
| xAI: Grok 4.20 Multi-Agent Beta Unavailable | Mar 12, 2026 | — | 2M |
Image input
Text input
Text output
|
— | — | $$$$$ |
| xAI: Grok 4.20 Multi-Agent Beta Unavailable | Mar 12, 2026 | — | 2M |
Image input
File input
Text input
Text output
|
★★★ | ★★★★★ | $$$$$ |
| xAI: Grok 4.20 Beta Unavailable | Mar 12, 2026 | — | 2M |
Image input
Text input
Text output
|
— | — | $$$$$ |
| xAI: Grok 4.20 Beta Unavailable | Mar 12, 2026 | — | 2M |
Image input
Text input
Text output
|
★★★★★ | ★★★★ | $$$$$ |
| xAI: Grok 4.1 Fast Unavailable | Nov 19, 2025 | — | 2M |
Image input
File input
Text input
Text output
|
★★ | ★★ | $ |
| xAI: Grok 4 Fast Unavailable | Sep 18, 2025 | — | 2M |
Image input
File input
Text input
Text output
|
★★ | ★★★★★ | $$$$ |
| xAI: Grok Code Fast 1 Unavailable | Aug 26, 2025 | — | 256K |
Text input
Text output
|
★★ | ★★★★ | $$$$$ |
| xAI: Grok 4 Unavailable | Jul 09, 2025 | — | 256K |
Image input
File input
Text input
Text output
|
★ | ★★★★★ | $$$$$ |
| xAI: Grok 3 Mini Unavailable | Jun 10, 2025 | ~2.7T | 131K |
Text input
Text output
|
★★ | ★★★★★ | $$$$ |
| xAI: Grok 3 Unavailable | Jun 10, 2025 | ~2.7T | 131K |
Text input
Text output
|
★★★ | ★★★★ | $$$$$ |
| xAI: Grok 3 Mini Beta Unavailable | Apr 09, 2025 | ~2.7T | 131K |
Text input
Text output
|
★★ | ★★★★★ | $$$$ |
| xAI: Grok 3 Beta Unavailable | Apr 09, 2025 | ~2.7T | 131K |
Text input
Text output
|
★★★ | ★★★★ | $$$$$ |
| xAI: Grok 2 Vision 1212 Unavailable | Dec 14, 2024 | — | 32K |
Image input
Text input
Text output
|
★★★★ | ★★★★ | $$$$$ |
| xAI: Grok 2 1212 Unavailable | Dec 14, 2024 | — | 131K |
Text input
Text output
|
★★★★ | ★★★★ | $$$$$ |
| xAI: Grok Vision Beta Unavailable | Nov 18, 2024 | — | 8K |
Image input
Text input
Text output
|
★★★★★ | ★★★ | $$$$$ |
| xAI: Grok Beta Unavailable | Oct 19, 2024 | — | 131K |
Text input
Text output
|
★★★★★ | ★★★★★ | $$$$$ |