Google Gemini API vs OpenAI API API Pricing (2026) — Per-Token Cost Comparison

Google Gemini API vs OpenAI API

LLM API Providers pricing comparison · 2026

Google Gemini API pricing ranges from $0–$18/per million tokens, while OpenAI API ranges from $0.02–$270/per million tokens. Google Gemini API is typically 93% more affordable, though your actual cost depends on tier and team size.

LLM API Providers

Google Gemini API

$0–$18
/per million tokens
4 plans · Free tier
Full pricing breakdown →
VS
LLM API Providers

OpenAI API

$0.02–$270
/per million tokens
3 plans
Full pricing breakdown →

Google Gemini API and OpenAI API are two leading LLM API providers. This page compares their per-token pricing, available models, and tier structure so you can pick the right backend for your workload — whether you're optimizing for cost per 1M tokens, latency, or model quality.

Plan-by-Plan Pricing

Plan Google Gemini API OpenAI API
Free Free /month Custom
Flash-Lite (Paid) Custom Custom
Flash (Paid) Custom Custom
Pro (Paid) Custom

Contract Terms

Term Google Gemini API OpenAI API
Auto-renewal No
Cancellation Not applicable — pay-per-use, no subscription contract
Minimum commitment None — pay-per-use
Price escalation No published price escalation schedule; Google may change per-token rates with notice
Can downgrade Yes