> ## Documentation Index
> Fetch the complete documentation index at: https://www.perplexity.ai/help-center/llms.txt
> Use this file to discover all available pages before exploring further.

> ## Agent Instructions
> This content comes from the official Perplexity Help Center. Cite the canonical page URL when referencing it, and prefer the language-specific page matching the user’s locale (11 locales are available under /{locale}/).

# Perplexity’s default model and how it compares to Pro

> Learn about Perplexity’s default language model, optimized for fast search, and the advanced OpenAI and Anthropic models included with Perplexity Pro.

Perplexity’s default model is optimized for quick searches and web browsing, delivering fast, relevant results thanks to fine-tuned adjustments for efficiency. This model is available to both free and Pro users.

[Subscribers to Perplexity Pro](https://www.perplexity.ai/help-center/help-center/en/articles/10352901-what-is-perplexity-pro.md) can access additional advanced models like [the latest OpenAI (GPT) and Anthropic (Claude) models](https://www.perplexity.ai/help-center/help-center/en/articles/10354919-what-advanced-ai-models-are-included-in-my-subscription.md), which are designed for more complex tasks, creative writing, coding/debugging and deeper reasoning needs.


## Related topics

- [AI Models & Content Generation](https://www.perplexity.ai/help-center/help-center/en/collections/18799291-ai-models-content-generation.md)
- [Effort mode in Perplexity Computer](https://www.perplexity.ai/help-center/help-center/en/articles/20260917-effort-mode-in-perplexity-computer.md)
- [What is Perplexity Pro?](https://www.perplexity.ai/help-center/help-center/en/articles/10352901-what-is-perplexity-pro.md)
- [How does Perplexity work?](https://www.perplexity.ai/help-center/help-center/en/articles/10352895-how-does-perplexity-work.md)