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GPT-5 Mini vs Gemini 3 Flash

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OpenAI · 512k context | Google · 1M context

Pricing Comparison

Metric	GPT-5 Mini	Gemini 3 Flash
Input / 1M tokens	$0.6	$0.5
Output / 1M tokens	$2.4	$2
Cached input / 1M	$0.3	$0.125
Context window	512k	1M
Provider	OpenAI	Google

Cost Calculator

Input tokens

Output tokens

Requests/day

💰 Gemini 3 Flash saves $90.00/month (17% cheaper)

OGPT-5 Mini

Per request$0.001800

Daily$18.00

Monthly$540.00

Yearly$6,570.00

GGemini 3 FlashCHEAPER

Per request$0.001500

Daily$15.00

Monthly$450.00

Yearly$5,475.00

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Choose GPT-5 Mini when…

✓ Optimized for: Cost-efficient frontier tasks

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Choose Gemini 3 Flash when…

✓ Cheaper for RAG & document retrieval (lower input cost)
✓ 17% cheaper per input token
✓ Cheaper for generation-heavy workloads (lower output cost)
✓ Larger context window (1M vs 512k) — better for long documents
✓ Cheaper cached price ($0.125 vs $0.3/1M)
✓ Optimized for: Real-time 1M context apps

Related Comparisons

GPT-5 Mini vs GPT-5 GPT-5 Mini vs GPT-4.1 GPT-5 Mini vs GPT-4.1 Mini GPT-5 Mini vs GPT-4.1 Nano Gemini 3 Flash vs GPT-5 Gemini 3 Flash vs GPT-4.1