AI Tools
Perplexity
Perplexity is an AI answer engine that combines language models with real-time, web-wide search to deliver researched Q&A, and offers developer APIs (Agent, Search, Sonar, Embeddings) for web-grounded research capabilities. Best for: Real-time, citation-backed web research and Q&A.
At a glance
| Category | AI Tools |
| Starts at | $1 per 1M tokens (Sonar API, input or output, usage-based) |
| Pricing | Consumer plan pricing was not retrievable this run (perplexity.ai blocked automated access via Cloudflare); the official docs publish usage-based API pricing, e.g. Sonar at $1 per 1M input/output tokens, Sonar Pro at $3/$15 per 1M input/output tokens, Search API at $5.00 per 1K requests, and per-invocation tool fees such as web_search at $0.005. |
| Best for | Real-time, citation-backed web research and Q&A |
Key features
- Sonar API model family (Sonar, Sonar Pro, Sonar Reasoning Pro, Sonar Deep Research) for real-time, web-grounded Q&A
- Agent API with access to third-party models from OpenAI, Anthropic, Google, and xAI plus built-in tools (web_search, fetch_url, people_search, finance_search, code sandbox)
- Search API returning raw, ranked web search results with advanced filtering and real-time data
- Embeddings API (standard and contextualized) for semantic search and RAG pipelines
- Perplexity MCP Server, SDKs, and OpenAI SDK compatibility for integrations
Pricing
Consumer plan pricing was not retrievable this run (perplexity.ai blocked automated access via Cloudflare); the official docs publish usage-based API pricing, e.g. Sonar at $1 per 1M input/output tokens, Sonar Pro at $3/$15 per 1M input/output tokens, Search API at $5.00 per 1K requests, and per-invocation tool fees such as web_search at $0.005. Confirm current terms on the vendor site before buying.
Alternatives
Worth comparing: Claude.