GPT-5 Pro vs Grok Build 0.1
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for GPT-5 Pro and Grok Build 0.1.
GPT-5 Pro
GPT-5 Pro is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and...
Grok Build 0.1
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...
Technical Specifications
| Specification | GPT-5 Pro | Grok Build 0.1 |
|---|---|---|
| Provider | OpenAI | xAI |
| Context Window | 400,000 tokens | 256,000 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | managed api |
| Production Stability | stable | stable |
| API Available | Yes | Yes |
| Released Date | 2025-10-06 | 2026-05-20 |
API Pricing Comparison
Input Price per Million Tokens
GPT-5 Pro
$15.00
Grok Build 0.1
$1.00
Output Price per Million Tokens
GPT-5 Pro
$120.00
Grok Build 0.1
$2.00
Want to test both models live?
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
GPT-5 Pro Quirks & Gotchas
No developer gotchas reported.
Grok Build 0.1 Quirks & Gotchas
No developer gotchas reported.