GPT-4o Search Previewis a specialized model for web search in Chat Completions. It is trained to understand and execute web search queries.
Model details →OpenAI: GPT-4o Search Preview vs xAI: Grok 3
OpenAI: GPT-4o Search Preview and xAI: Grok 3 are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
Grok 3 is the latest model from xAI. It's their flagship model that excels at enterprise use cases like data extraction, coding, and text summarization. Possesses deep domain knowledge in finance, healthcare, law, and science.
Model details →Side-by-side comparison
| Capability | OpenAI: GPT-4o Search Preview | xAI: Grok 3 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 128K | 131K | 🏆 xAI: Grok 3 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.50 | $3.00 | 🏆 OpenAI: GPT-4o Search Preview |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $10.00 | $15.00 | 🏆 OpenAI: GPT-4o Search Preview |
| Tool / function calling First-class support for emitting structured tool calls. | — | Yes | 🏆 xAI: Grok 3 |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | — | Tie |
Frequently asked questions
Is OpenAI: GPT-4o Search Preview better than xAI: Grok 3?
OpenAI: GPT-4o Search Preview and xAI: Grok 3 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-4o Search Preview and xAI: Grok 3?
Input: $2.50 vs $3.00 per 1M tokens. Output: $10.00 vs $15.00 per 1M tokens.
What context windows do OpenAI: GPT-4o Search Preview and xAI: Grok 3 support?
OpenAI: GPT-4o Search Preview supports up to 128K tokens. xAI: Grok 3 supports up to 131K tokens.
Do both OpenAI: GPT-4o Search Preview and xAI: Grok 3 support tool calling?
OpenAI: GPT-4o Search Preview: not advertised. xAI: Grok 3: yes.