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Claude Opus 4.5 vs Gemini 3 Pro

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Anthropic · 200k context | Google · 1M context

Pricing Comparison

Metric	Claude Opus 4.5	Gemini 3 Pro
Input / 1M tokens	$15	$3.5
Output / 1M tokens	$75	$14
Cached input / 1M	$1.5	$0.875
Context window	200k	1M
Provider	Anthropic	Google

Cost Calculator

Input tokens

Output tokens

Requests/day

💰 Gemini 3 Pro saves $12,600.00/month (80% cheaper)

AClaude Opus 4.5

Per request$0.0525

Daily$525.00

Monthly$15,750.00

Yearly$191,625.00

GGemini 3 ProCHEAPER

Per request$0.0105

Daily$105.00

Monthly$3,150.00

Yearly$38,325.00

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Choose Claude Opus 4.5 when…

✓ Optimized for: Complex reasoning & coding

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Choose Gemini 3 Pro when…

✓ Cheaper for RAG & document retrieval (lower input cost)
✓ 77% cheaper per input token
✓ Cheaper for generation-heavy workloads (lower output cost)
✓ Larger context window (1M vs 200k) — better for long documents
✓ Cheaper cached price ($0.875 vs $1.5/1M)
✓ Optimized for: Production reasoning at scale

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