Google Gemini API vs OpenAI API

Name: OpenAI API
Brand: OpenAI API
Availability: OnlineOnly

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.

Visit

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 15d ago

View pricing →

OpenAI API

OpenAI API pricing starts at $0.

verified 15d 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 1 sourced fact

Vendr median

Last verified 2w ago

Confidence Medium confidence

Sources 6 sourced facts

5 hidden-cost · Vendr median

Last verified 2w 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

No hidden costs documented

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

No public ratings yet

Best for

Prototyping and evaluation

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