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 in high-stakes us…
Model details →OpenAI: GPT-5 vs xAI: Grok 4.20 Multi-Agent Beta
OpenAI: GPT-5 and xAI: Grok 4.20 Multi-Agent Beta are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
Grok 4.20 Multi-Agent Beta is a variant of xAI’s Grok 4.20 designed for collaborative, agent-based workflows. Multiple agents operate in parallel to conduct deep research, coordinate tool use, and synthesize information across complex tasks…
Model details →Side-by-side comparison
| Capability | OpenAI: GPT-5 | xAI: Grok 4.20 Multi-Agent Beta | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 400K | 2M | 🏆 xAI: Grok 4.20 Multi-Agent Beta |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $1.25 | $2.00 | 🏆 OpenAI: GPT-5 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $10.00 | $6.00 | 🏆 xAI: Grok 4.20 Multi-Agent Beta |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | — | 🏆 OpenAI: GPT-5 |
| 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 xAI: Grok 4.20 Multi-Agent Beta?
OpenAI: GPT-5 and xAI: Grok 4.20 Multi-Agent Beta are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between OpenAI: GPT-5 and xAI: Grok 4.20 Multi-Agent Beta?
Input: $1.25 vs $2.00 per 1M tokens. Output: $10.00 vs $6.00 per 1M tokens.
What context windows do OpenAI: GPT-5 and xAI: Grok 4.20 Multi-Agent Beta support?
OpenAI: GPT-5 supports up to 400K tokens. xAI: Grok 4.20 Multi-Agent Beta supports up to 2M tokens.
Do both OpenAI: GPT-5 and xAI: Grok 4.20 Multi-Agent Beta support tool calling?
OpenAI: GPT-5: yes. xAI: Grok 4.20 Multi-Agent Beta: not advertised.