Perplexity
Perplexity
2
Answer engine with citations
- Version
- Comet era
- Cost
- Free tier, Pro $20/mo
- Model
- Sonar
Exa
Exa · #2 most active of 14 in Search & Research
Embeddings-based web search designed to feed retrieval pipelines and agents.
Current version
Exa 2.0
Entry cost
Free credits, then usage-based
Changes / 30d
1
Capabilities
- Neural search
- Contents retrieval
- Websets
- Answer endpoint
- Research API
Pricing
Free credits
Free
Pay as you go
per search
Free
Enterprise
custom
Free
Entry price over time
Not enough pricing history yet — we start charting from the second observation.
Geek mode
Models under the hood
- disclosed
Exa embeddings
Exa
Context window
n/a
Public API
yes
Multi-model routing
no
Stack signals
- REST API
- MCP server
- SDKs
Shared model stack
Other tracked products running on the same foundation models — a quick read on how much of the catalog moves when one of these models changes.
- Exa embeddingsExa · 1 product
green disclosed · amber inferred · grey unknown
Reported scale
Reference data. Each figure is whatever the source actually said — weekly users, downloads, revenue run-rate — with its own definition and date. These are not comparable between tools and are never used to rank anything.
No public usage figure on record for this product.
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- Cost
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- Model
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Change history
- version