Anthropic: Claude Sonnet 4.5 vs Google: Gemini 2.5 Pro
On input price, Google: Gemini 2.5 Pro is ~2.4× cheaper. Verified 2026-08-23.
| Metric | Anthropic: Claude Sonnet 4.5 | Google: Gemini 2.5 Pro |
|---|---|---|
| Input / 1M | $3.00 | $1.25 |
| Output / 1M | $15.00 | $10.00 |
| Cache read / 1M | $0.300 | $0.125 |
| Context window | 1M | 1.0M |
| Max output | 64K | 66K |
Monthly cost by workload
| Workload | Anthropic: Claude Sonnet 4.5 | Google: Gemini 2.5 Pro | Cheaper |
|---|---|---|---|
| Chatbot | $84.00 | $50.00 | Google: Gemini 2.5 Pro |
| Coding agent | $270.00 | $150.00 | Google: Gemini 2.5 Pro |
| RAG pipeline | $585.00 | $300.00 | Google: Gemini 2.5 Pro |
Full details: Anthropic: Claude Sonnet 4.5 pricing · Google: Gemini 2.5 Pro pricing