Guide
How to Reduce Embedding Costs by 95%+
Practical strategies to cut your embedding API spend — from model selection to migration to free alternatives.
Embedding costs add up fast at scale. Here's how teams are cutting their spend by 95% or more — without sacrificing retrieval quality.
Strategy 1: Switch to a Free Model
Google's gemini-embedding-2 is free under rate limits.
For most workloads, this alone eliminates embedding costs entirely.
| Current Model | Monthly Cost (100M tokens) | After Switch to Gemini | Savings |
|---|---|---|---|
| ada-002 | $10.00 | $0.00 | 100% |
| 3-small | $2.00 | $0.00 | 100% |
| 3-large | $13.00 | $0.00 | 100% |
Strategy 2: Migrate Vectors Without Re-embedding
The traditional approach: re-embed everything when switching models. This costs money, requires raw text, and causes downtime.
With Schift: project your existing vectors to the new space in seconds.
from schift import Schift
s = Schift(api_key="sk-...")
# Migrate 1M vectors in ~2 seconds
s.upgrade(db="my_db", to="google/gemini-embedding-2")
# Cost: $0 (projection is free)
# Time: ~2 seconds for 1M vectors
# Recovery: 99.7% Strategy 3: Drop ada-002 Immediately
If you're still using text-embedding-ada-002, you're overpaying 5x:
- ada-002: $0.10 per 1M tokens
- 3-small: $0.02 per 1M tokens (same 1536 dims, better quality)
- Gemini: $0.00 per 1M tokens
ada-002 → 3-small migration has 99.2% recovery. There's no reason to stay.
Strategy 4: Use Automatic Failover
Instead of over-provisioning expensive models for reliability, use Schift's automatic failover. If OpenAI goes down, queries route through Gemini with projection — zero downtime, zero extra cost.
# Configure routing
s.routing.set(
primary="openai/text-embedding-3-small",
fallback="google/gemini-embedding-2",
mode="auto"
)
# If OpenAI fails → Gemini handles it automatically Real-world Example
"We were spending $130/month on text-embedding-3-large for our RAG pipeline. Switched to Gemini via Schift — $0/month now with 98.1% retrieval recovery. Migration took 4 seconds for 2M vectors."
Summary: Cost Optimization Checklist
- Audit your current embedding model and monthly spend
- Run a Schift benchmark to test migration quality
- If recovery > 95%, migrate to the cheaper model
- Set up failover routing for reliability
- Monitor drift to ensure quality stays high