Google Gemini API vs OpenAI API API Pricing (2026) — Per-Token Cost Comparison
Compare / Google Gemini API vs OpenAI API
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Team size
25 seats

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 $0.2–$270/per million tokens. Google Gemini API is typically 93% more affordable, though your actual cost depends on tier and team size.

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See pricing on each vendor's site
Above-the-fold path — each link opens the vendor's pricing page in a new tab.
Visit Google pricing
Free plan limits → Discount programs →
Visit OpenAI pricing
Discount programs →
Compare
2 products · LLM API Providers
Side-by-side · live
Google Gemini API
Google Gemini API pricing starts at $0 on the Free tier, which provides rate-limited acces
verified 11w ago
View pricing →
OpenAI API
OpenAI API pricing starts at $0.
verified 11w ago
View pricing →
Estimated license cost
at 25 seats
List price × seats. Click a tier below to lock it.
Usage-based
$0.1 per 1M input tokens
see vendor pricing for volume tiers
Usage-based
$0.2 per 1M tokens
see vendor pricing for volume tiers
REF · 01

Sources & confidence

Every dollar amount and contract clause below traces back to a sourced fact. We don't manufacture composite scores.

Where this data comes from
Vendr · TrustRadius · Reddit · BBB · official docs
Sources 10 sourced facts
8 hidden-cost · Vendr median · 1 review platform
Last verified 2mo ago
Confidence Medium confidence
Sources 6 sourced facts
5 hidden-cost · Vendr median
Last verified 2mo ago
Confidence High confidence
REF · 02

Plans at a glance

Every tier per product. Lock one to drive the cost row above and reveal a tier-specific outbound CTA.

Tier ladder
Click a tier to lock the cost row to it. Locking surfaces a tier-specific Visit CTA.
REF · 03

Hidden costs

Each cost is severity-ranked, with the dollar range quoted from its source (Vendr, Reddit, TrustRadius, BBB, official docs) — never our estimate.

Beyond the sticker
Severity-ranked, sourced
4 documented
  • Content Policy Restrictions
    5-15% of license costs
    3 sources
  • Output Reliability and Accuracy Costs
    10-25% of license costs
    3 sources
  • Platform Migration Costs
    5-20% of license costs
    2 sources
  • Free Tier Data Usage Policy
    5-10% of license costs
4 documented
  • Unpredictable Token Consumption
    20-50% of license costs
    1 source
  • Reasoning Model Cost Cliff
    50-200% of license costs
    2 sources
  • Image Generation Add-On Costs
    $0.02-$0.19 per image generated
    1 source
  • Token Billing Complexity and Unexpected Overages
    5-20% of license costs
    1 source
REF · 05

What users say

Aggregated, with sample sizes. We use whichever review platform has data.

User reviews
TrustRadius · Trustpilot · G2
Trustpilot
1.2out of 5 (15)
Best for
Prototyping and evaluation
Watch out
Frequent factual errors and inconsistent outputs requiring manual verification
No public ratings yet
Best for
High-volume, cost-sensitive API workloads
Watch out
Flagship model pricing is significantly higher than open-source alternatives at comparable benchmark scores
Decide
Get a quote from each vendor
Each link opens the vendor's pricing page in a new tab.
Visit Google pricing
Free plan limits → Discount programs →
Visit OpenAI pricing
Discount programs →
License cost is computed from publicly listed plans (real math, list price × seats). Median annual cost is from Vendr's deal flow when available — see source badges. Hidden costs and contract terms each cite their own sources. We do not invent composite scores.
LLM API Providers

Google Gemini API

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

OpenAI API

$0.2–$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 —

Cost at Scale

Total cost of ownership — licenses, implementation, and hidden costs included.

Google Gemini API

3 scenarios
$0/month
Individual Developer (Free Tier)
~$16.50/month ($0.30 × 10M input + $2.50 × 5M output, per OpenRouter median rates as of July 2026)
Production App — Flash Model
~$62.50/month ($1.25 × 10M input + $10.00 × 5M output)
Production App — Pro Model

OpenAI API

4 scenarios
$9.00/month
High-Volume Chatbot (nano)
$26.00/month
Production App (GPT-4.1)
$13.00/month
Reasoning Tasks (o3)
See all 4 scenarios →

Hidden Costs

Beyond the sticker price — what catches buyers off guard.

Google Gemini API 4 hidden costs

medium
Content Policy Restrictions 5-15% of license costs
high
Output Reliability and Accuracy Costs 10-25% of license costs
high
Platform Migration Costs 5-20% of license costs
medium
Free Tier Data Usage Policy 5-10% of license costs
See all Google Gemini API hidden costs →

OpenAI API 4 hidden costs

medium
Unpredictable Token Consumption 20-50% of license costs
high
Reasoning Model Cost Cliff 50-200% of license costs
medium
Image Generation Add-On Costs $0.02-$0.19 per image generated
medium
Token Billing Complexity and Unexpected Overages 5-20% of license costs
See all OpenAI API hidden costs →

Contract Terms

Term Google Gemini API OpenAI API
Auto-renewal — —
Cancellation — —
Minimum commitment — —

Continue researching

Google Gemini API

OpenAI API

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