Exa vs Nimbleway
Exa scores higher on the AgentReady, 92/100 against 87/100. They differ on 2 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.
What each one is
Exa. Exa is a custom search engine built for AIs, offering an API to search the largest index of public web and private information.
Nimbleway. Nimbleway provides expert-level web search, crawling, and research agents for AI applications.
Where Exa is ahead
Exa passes clear product positioning, and Nimbleway does not. That is discover, whether an agent can find the product at all without being told it exists.
It also holds understand: authentication documented. Nimbleway misses it.
What neither does
Both fail no mandatory sales call, agent-compatible signup flow, retry behavior documented, idempotency support. If your agent needs any of those, you will be building it yourself either way.
Score, pillar by pillar
The AgentReady splits into four pillars, scored separately, because a product can be easy to find and still impossible to adopt.
Discover is whether an agent can find the product at all without being told it exists. Exa leads 100 to 87. Exa misses nothing; Nimbleway misses clear product positioning.
Understand. Exa leads 100 to 92. Exa misses nothing; Nimbleway misses authentication documented.
Adopt. Exa leads 81 to 80. Exa misses no mandatory sales call, agent-compatible signup flow; Nimbleway misses no mandatory sales call, agent-compatible signup flow.
Operate. Both sit at 88/100 here. Exa misses retry behavior documented, idempotency support; Nimbleway misses retry behavior documented, idempotency support.
Pricing
Exa starts at $0 (free tier with credits) and has a free tier. Nimbleway does not publish one and has a free tier.
Signal by signal
| Signal | Exa | Nimbleway |
|---|---|---|
| AgentReady | 92 | 87 |
| Discovery | 100 | 87 |
| Understanding | 100 | 92 |
| Adoption | 81 | 80 |
| Operability | 88 | 88 |
| Public API | Yes | Yes |
| MCP server | Yes | Yes |
| OpenAPI spec | Yes | Yes |
| CLI | Yes | Yes |
| llms.txt | Yes | Yes |
| Self-serve signup | Yes | Yes |
| Free tier | Yes | Yes |
Which to pick
Exa clears more of the signals an agent needs, so it is the safer default for unattended use. Full profiles: Exa and Nimbleway. Alternatives to each: Exa, Nimbleway.
An agent can fetch this as data: POST /v1/compare {"slugs": ["exa", "nimbleway"]}