Comparison

Gemini 2.5 Flash-Lite vs GPT-5.4 mini

GPT-5.4 mini charges 87% more per input token than Gemini 2.5 Flash-Lite. Output pricing favors Gemini 2.5 Flash-Lite, 91% less per token than GPT-5.4 mini.

FieldGemini 2.5 Flash-Lite
GPT-5.4 mini
ProviderGoogleOpenAI
Context window400K
Max output128K
Input / 1M$0.1087% cheaper$0.75
Output / 1M$0.4091% cheaper$4.50
Cached input / 1M$0.0187% cheaper$0.075
Batch discount50%50%
Release date2026-03-17

Worked cost examples

Estimated monthly cost on three common usage shapes

WorkloadGemini 2.5 Flash-LiteGPT-5.4 mini

Chatbot

800 input / 200 output tokens per request, 100,000 requests/month

$16.00cheaper$150.00

RAG pipeline

6,000 input / 700 output tokens per request, 30,000 requests/month

$26.40cheaper$229.50

Batch summarization

20,000 input / 1,500 output tokens per request, 5,000 requests/month

$13.00cheaper$108.75

Gemini 2.5 Flash-Lite vs GPT-5.4 mini FAQ

Is Gemini 2.5 Flash-Lite cheaper than GPT-5.4 mini?
Gemini 2.5 Flash-Lite costs $0.10 per 1M input tokens versus $0.75 for GPT-5.4 mini — Gemini 2.5 Flash-Lite is 87% cheaper per input token.
Which is cheaper for output tokens, Gemini 2.5 Flash-Lite or GPT-5.4 mini?
Gemini 2.5 Flash-Lite charges $0.40 per 1M output tokens; GPT-5.4 mini charges $4.50 per 1M output tokens.
Do Gemini 2.5 Flash-Lite and GPT-5.4 mini offer cache pricing?
Gemini 2.5 Flash-Lite discounts cached input to $0.01 per 1M tokens. GPT-5.4 mini discounts cached input to $0.075 per 1M tokens.

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