How to Reduce Your AI Search API Costs by 90%

Practical strategies to dramatically cut your AI search API costs using Keiro's batch processing, caching, and cost-efficient architecture.

9 min readKeiro Team

Introduction

AI search API costs can spiral quickly in production. A chatbot handling 10,000 conversations per day, each triggering 3 search queries, generates 30,000 API calls daily. At Exa's pricing, that is roughly $3,000/day. At Tavily's rates, about $1,200/day. But with the right strategies and the right API, you can get that same volume for under $30/day.

Here are the practical strategies that can reduce your AI search costs by 90% or more.

Strategy 1: Switch to Keiro (Immediate 90%+ Savings)

The single biggest cost reduction comes from choosing the right API. Here is a direct comparison for 30,000 queries per day (900,000 per month):

APIMonthly CostSavings vs Exa
Exa~$90,000Baseline
Tavily~$36,00060%
SerpAPI~$13,50085%
Keiro Pro ($24.99/mo for 200k)~$112 (5 Pro plans)99.9%

The numbers speak for themselves. Keiro's flat-rate pricing means your costs are predictable and dramatically lower.

Strategy 2: Use Batch Processing for Background Jobs

Many search workloads do not need real-time results. Data enrichment, content monitoring, market research, and pre-computed answers can all use batch processing.

Keiro's /batch-search and /batch-research endpoints are completely free. This means any non-real-time search workload costs you nothing beyond your base subscription.

import requests

# Process 500 queries for free
queries = [f"latest news about {company}" for company in company_list]

response = requests.post("https://kierolabs.space/api/batch-search", json={
    "apiKey": "your-keiro-api-key",
    "queries": queries  # Up to 500 queries per batch
})

# All results returned - zero additional cost
results = response.json()["results"]

Common Batch Use Cases

  • Pre-compute FAQ answers: Run your top 1,000 customer questions through batch search nightly
  • Data enrichment: Enrich your CRM contacts with company news and updates
  • Content monitoring: Track competitor content changes weekly
  • Research reports: Generate weekly industry reports using batch research

Strategy 3: Leverage the Cache Discount

Keiro automatically gives you a 50% discount on cached results. This means repeated queries cost half as much. No configuration needed.

In a typical chatbot application, 30-40% of queries are repeats or near-repeats. This translates to a 15-20% overall cost reduction on top of Keiro's already low pricing.

# These two identical queries: the second one costs 50% less
response1 = requests.post("https://kierolabs.space/api/search", json={
    "apiKey": "your-keiro-api-key",
    "query": "keiro api pricing"  # Full price
})

response2 = requests.post("https://kierolabs.space/api/search", json={
    "apiKey": "your-keiro-api-key",
    "query": "keiro api pricing"  # 50% discount (cached)
})

Strategy 4: Smart Search Triggers

Not every user message needs a web search. Implement a classifier that decides when to search:

def should_search(message: str, conversation_history: list) -> bool:
    """Determine if a message needs web search."""
    # Skip greetings and simple responses
    skip_patterns = ["hello", "thanks", "ok", "got it", "bye"]
    if any(message.lower().strip() == p for p in skip_patterns):
        return False

    # Skip if the model can likely answer from training data
    general_knowledge = ["what is python", "explain recursion", "how does http work"]
    # ... more patterns

    # Search for current events, specific data, recent info
    search_triggers = ["latest", "current", "2026", "today", "recently", "price of"]
    if any(trigger in message.lower() for trigger in search_triggers):
        return True

    # Default: use a small LLM to classify
    # (costs ~$0.0001 per classification, much cheaper than a search)
    return llm_classify_needs_search(message)

This simple filter can reduce your search volume by 40-60% without degrading user experience.

Strategy 5: Query Deduplication

Before sending a search query, check if you have recently searched for the same or very similar query:

import hashlib
import time

class SearchDeduplicator:
    def __init__(self, ttl_seconds: int = 300):
        self.cache = {}
        self.ttl = ttl_seconds

    def search_with_dedup(self, query: str) -> dict:
        # Normalize the query
        normalized = query.lower().strip()
        key = hashlib.md5(normalized.encode()).hexdigest()

        # Check cache
        if key in self.cache:
            result, timestamp = self.cache[key]
            if time.time() - timestamp < self.ttl:
                return result  # Return cached result, zero API cost

        # Make the actual API call
        resp = requests.post("https://kierolabs.space/api/search", json={
            "apiKey": "your-keiro-api-key",
            "query": query
        })
        result = resp.json()

        # Cache the result
        self.cache[key] = (result, time.time())
        return result

Strategy 6: Use the Right Endpoint

Different endpoints have different costs and capabilities. Using the right one for each job avoids overpaying:

NeedUseDo Not Use
Quick factual lookup/search/research (overkill)
Simple question/answer/search + LLM (extra cost)
Background data work/batch-search (free)/search in a loop
Detailed research/researchMultiple /search calls
Page content/web-crawlerThird-party scraper

Strategy 7: Use /answer Instead of Search + LLM

If you are currently using Search API + OpenAI to generate answers, consider using Keiro's /answer endpoint instead. This eliminates the OpenAI cost entirely:

ApproachCost per Query
Keiro /search + GPT-4o~$0.005
Keiro /answer only~$0.000125
Savings97.5%

The /answer endpoint is not as customizable as bringing your own LLM, but for many use cases the quality is more than sufficient.

Total Savings Calculator

Let us calculate the savings for a typical application:

ScenarioBefore (Exa + GPT-4o)After (Keiro Optimized)
Monthly queries100,000100,000
Queries needing search (smart filter)100,00050,000
Batch-eligible queries020,000 (free)
Real-time search queries100,00030,000
Search API cost$10,000$24.99 (Pro plan)
LLM generation cost$500$150 (fewer queries)
Total monthly cost$10,500$175
Savings98.3%

Implementation Priority

If you are looking to reduce costs quickly, here is the order of impact:

  • Highest impact: Switch to Keiro (immediate 90%+ savings on search costs)
  • High impact: Move background jobs to batch processing (free)
  • Medium impact: Implement smart search triggers (40-60% fewer searches)
  • Medium impact: Use /answer instead of search + LLM where possible
  • Lower impact: Query deduplication and caching (15-20% savings on remaining queries)

Conclusion

Reducing AI search API costs by 90% is not just possible — it is straightforward. The combination of Keiro's pricing, free batch processing, 50% cache discount, smart search triggers, and the /answer endpoint can transform your cost structure from thousands of dollars per month to under a hundred.

Start saving today. Sign up for Keiro at kierolabs.space. Plans start at $5.99/month.

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