MockAPI Dog
Instantly create free, no-signup mock REST APIs and LLM streaming endpoints.
VS
Perplexity AI
AI-powered answer engine for real-time, cited information and advanced research.
Detailed comparison
Criteria
MockAPI Dog
Perplexity AI
Pricing
Free
Freemium
Plans & pricing
—
Free Plan: Free, Perplexity Pro: $16.67/mo, Education Pro: $10/mo, Perplexity Max: $166.67/mo, Perplexity Enterprise Pro: $33.33/mo, Perplexity Enterprise Max: $270.83/mo, API Pricing: Custom
Free trial
—
No
Audience
B2B
b2c
Platforms
—
Web
API
—
No
Open Source
—
Proprietary
Categories
SEO, AI And Machine Learning, Dev Tools
SEO, Education
Popularity
Low
Very High
Description
MockAPI Dog is a free, no-signup tool for developers to instantly create mock REST APIs and streaming LLM endpoints (OpenAI/Claude-style). It's design...
Perplexity AI is a research-oriented answer engine that integrates large language models with live web search, transparent citations, document analysi...
Pricing
MockAPI Dog
Free
Perplexity AI
Freemium
Plans & pricing
MockAPI Dog
—
Perplexity AI
Free Plan: Free, Perplexity Pro: $16.67/mo, Education Pro: $10/mo, Perplexity Max: $166.67/mo, Perplexity Enterprise Pro: $33.33/mo, Perplexity Enterprise Max: $270.83/mo, API Pricing: Custom
Free trial
MockAPI Dog
—
Perplexity AI
No
Audience
MockAPI Dog
B2B
Perplexity AI
b2c
Platforms
MockAPI Dog
—
Perplexity AI
Web
API
MockAPI Dog
—
Perplexity AI
No
Open Source
MockAPI Dog
—
Perplexity AI
Proprietary
Categories
MockAPI Dog
SEO, AI And Machine Learning, Dev Tools
Perplexity AI
SEO, Education
Popularity
MockAPI Dog
Low
Perplexity AI
Very High
Description
MockAPI Dog
MockAPI Dog is a free, no-signup tool for developers to instantly create mock REST APIs and streaming LLM endpoints (OpenAI/Claude-style). It's design...
Perplexity AI
Perplexity AI is a research-oriented answer engine that integrates large language models with live web search, transparent citations, document analysi...
Features
MockAPI Dog
No signup or API keys required
Mock streaming LLM endpoints (OpenAI/Claude-style)
Customizable REST API responses (HTTP methods, status codes, delays, errors)
Pre-built APIs for common use cases (users, posts, products)
Built-in JSON editor with syntax highlighting and validation
Completely free with unlimited endpoints and requests
Perplexity AI
Real-time answers with cited sources
Perplexity Computer for autonomous, multi-model AI workflows
Access to advanced AI models (GPT-5.1, Claude Opus 4.5, o3-pro, etc.)
File upload and analysis (PDFs, spreadsheets, reports)
Comet AI-native browser for integrated web assistance
Focus Modes for targeted searches (Web, Academic, Social, Health, Finance)
Key differentiators
MockAPI Dog
Perplexity AI
- Real-time answers with cited sources
- Agentic AI workflows (Perplexity Computer)
- Document analysis & specialized focus modes
Other comparisons
FAQ: MockAPI Dog vs Perplexity AI
MockAPI Dog: Instantly create free, no-signup mock REST APIs and LLM streaming endpoints.. Perplexity AI: AI-powered answer engine for real-time, cited information and advanced research.. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. MockAPI Dog is free and Perplexity AI is freemium.
The best choice between MockAPI Dog and Perplexity AI depends on your specific needs. Compare their features, pricing, and target audience on this page to find the tool that best fits your use case.
MockAPI Dog is primarily designed for businesses and professionals, while Perplexity AI is built for individuals.
MockAPI Dog offers: No signup or API keys required, Mock streaming LLM endpoints (OpenAI/Claude-style), Customizable REST API responses (HTTP methods, status codes, delays, errors), Pre-built APIs for common use cases (users, posts, products). Perplexity AI offers: Real-time answers with cited sources, Perplexity Computer for autonomous, multi-model AI workflows, Access to advanced AI models (GPT-5.1, Claude Opus 4.5, o3-pro, etc.), File upload and analysis (PDFs, spreadsheets, reports).
Based on our data, Perplexity AI currently enjoys greater popularity. However, popularity isn't the only factor — compare features to find the right tool for your needs.