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Comparison · Research

Exa vs Kosmos: which AI agent is better?

A side-by-side look at Exa and Kosmos on quality, price, capabilities and trust. Scores measure observable public data; prices come from each vendor's own pricing page. Every fact is sourced and dated.

Exa
Exa Labs
Kosmos
Edison Scientific
Agent Score8251
Entry priceFree plan$200/mo · free plan
Trust✓ VERIFIED✓ VERIFIED
Capabilities documented75
Free plan✓ Yes✓ Yes
Free trial——
Public API✓ Yes—
MCP support✓ Yes—
Open sourceNoNo
Last verified24 Oct 202614 Oct 2026

Score breakdown

ComponentExaKosmos
Capabilities8863
Integrations50Not measured
Documentation100Not measured
Pricing clarity100100
Transparency100100
Freshness100100
Human oversightNot measuredNot measured

Choose Exa if…

  • You want a higher Agent Score (82 vs 51).
  • You want more documented capabilities (7 vs 5).
  • You want a public API.
  • You want MCP support.

Choose Kosmos if…

On the measured criteria, Exa leads — see opposite.

See the full picture: Exa · Kosmos · more Research agents · all comparisons.