GPT-5 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 accuracy...
Model details →OpenAI: GPT-5 vs SpaceXAI: Grok Build 0.1
SpaceXAI: Grok Build 0.1 wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
Grok Build 0.1 is SpaceXAI’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...
Model details →Side-by-side comparison
| Capability | OpenAI: GPT-5 | SpaceXAI: Grok Build 0.1 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 400K | 256K | 🏆 OpenAI: GPT-5 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $1.25 | $1.00 | 🏆 SpaceXAI: Grok Build 0.1 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $10.00 | $2.00 | 🏆 SpaceXAI: Grok Build 0.1 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is OpenAI: GPT-5 better than SpaceXAI: Grok Build 0.1?
SpaceXAI: Grok Build 0.1 wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between OpenAI: GPT-5 and SpaceXAI: Grok Build 0.1?
Input: $1.25 vs $1.00 per 1M tokens. Output: $10.00 vs $2.00 per 1M tokens.
What context windows do OpenAI: GPT-5 and SpaceXAI: Grok Build 0.1 support?
OpenAI: GPT-5 supports up to 400K tokens. SpaceXAI: Grok Build 0.1 supports up to 256K tokens.
Do both OpenAI: GPT-5 and SpaceXAI: Grok Build 0.1 support tool calling?
OpenAI: GPT-5: yes. SpaceXAI: Grok Build 0.1: yes.
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