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o4-mini vs Gemini 1.5 Pro

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OpenAI · 200k context | Google · 2M context

Pricing Comparison

Metric	o4-mini	Gemini 1.5 Pro
Input / 1M tokens	$1.1	$1.25
Output / 1M tokens	$4.4	$5
Cached input / 1M	—	$0.31
Context window	200k	2M
Provider	OpenAI	Google

Cost Calculator

Input tokens

Output tokens

Requests/day

💰 o4-mini saves $135.00/month (12% cheaper)

Oo4-miniCHEAPER

Per request$0.003300

Daily$33.00

Monthly$990.00

Yearly$12,045.00

GGemini 1.5 Pro

Per request$0.003750

Daily$37.50

Monthly$1,125.00

Yearly$13,687.50

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Choose o4-mini when…

✓ Cheaper for RAG & document retrieval (lower input cost)
✓ 12% cheaper per input token
✓ Cheaper for generation-heavy workloads (lower output cost)
✓ Optimized for: STEM & coding

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Choose Gemini 1.5 Pro when…

✓ Larger context window (2M vs 200k) — better for long documents
✓ Supports prompt caching — save up to 90% on repeated prompts
✓ Optimized for: Massive document analysis

Related Comparisons

o4-mini vs GPT-5 o4-mini vs GPT-5 Mini o4-mini vs GPT-4.1 o4-mini vs GPT-4.1 Mini Gemini 1.5 Pro vs GPT-5 Gemini 1.5 Pro vs GPT-5 Mini