For controlling AI agent search costs, Serper offers the lowest Google-only rate at scale, Brave offers flat predictable pricing, and Scavio offers multi-platform coverage with a predictable credit model.
Top Pick
Scavio is best for cost control when agents need multiple platforms — one API at $0.005/credit replaces Tavily ($0.008) plus separate platform APIs, reducing total spend despite a higher unit cost than Serper for Google-only.
Full Ranking
#1Our Pick
Scavio
Multi-platform agents where total vendor cost matters most
Pros
- One vendor, one bill for 6 platforms
- $0.005/credit predictable — no per-token surprises
- MCP for controlled, observable tool calls
Cons
- Pricier than Serper for Google-only at high volume
- Monthly minimum required
#2
Serper
Absolute lowest cost Google search at volume
Pros
- $1/1k on annual plan is cheapest Google search
- Fast and reliable
- Predictable annual pricing
Cons
- Google-only
- No multi-platform or MCP support
#3
Brave Search API
Flat-rate independent index with no surprises
Pros
- $5/1k flat, no tiers or complexity
- Independent index
- No minimum commitment
Cons
- Smaller index
- Not structured for product or social data
#4
Tavily
Predictable plan-based spending for research agents
Pros
- Monthly plans cap spend
- Well-suited for agents that search 4k-15k times/month
- Widely used, easy to reason about costs
Cons
- $0.008 PAYG is highest per-query in this list
- Google-focused
#5
Self-hosted SearXNG
Teams that want zero per-query cost after setup
Pros
- No per-query cost after hosting
- Full data control
- Meta-search aggregates multiple engines
Cons
- Reliability issues under load
- Rate limited by upstream engines
- Engineering maintenance required
Side-by-Side Comparison
| Criteria | Scavio | Runner-up | 3rd Place |
|---|---|---|---|
| Cost/1k Queries | $5 | $1 (Serper annual) | $5 (Brave) |
| Platform Coverage | 6 platforms | Google only | Independent index |
| Monthly Minimum | $30 | $50/yr ($4.17/mo) | $5 free credit |
| Self-Hosted Option | No | No | Yes (SearXNG) |
| Predictability | High (credits) | High (annual) | High (flat) |
| MCP Support | Yes | No | No |
Why Scavio Wins
- Agents using Tavily for Google search plus a TikTok API plus an Amazon API can consolidate to one Scavio vendor and one bill, often reducing total spend even though Scavio's per-query rate is higher than Serper
- Credit-based pricing with a monthly cap means finance teams can set a hard ceiling on agent search costs — unlike Tavily PAYG which scales unboundedly
- MCP server makes each Scavio tool call observable and auditable, helping teams identify which agent steps consume the most search budget
- At $30/mo minimum, Scavio is accessible to small teams without the annual commitment Serper requires to achieve its lowest rates