LLM API pricing
Claude Sonnet 5.5 vs Gemini 2.5 Pro: price per 1M tokens
Updated 2026-10-14
Claude Sonnet 5.5 costs $2.00 / $10.00 per 1M input/output tokens (Anthropic API (direct)) vs $1.25 / $10.00 for Gemini 2.5 Pro (Google API (direct)). Blended 3:1, Claude Sonnet 5.5 is +16% vs Gemini 2.5 Pro.
Claude Sonnet 5.5 by channel
| Channel | Input | Output | Cache read | Paid with |
|---|---|---|---|---|
| Anthropic API (direct) | $2.00 | $10.00 | n/a | card billing (no cloud credits) |
| Amazon Bedrock (global) | $2.00 | $10.00 | $0.1 | AWS credits |
Gemini 2.5 Pro by channel
| Channel | Input | Output | Cache read | Paid with |
|---|---|---|---|---|
| Google API (direct) | $1.25 | $10.00 | $0.125 | card billing (no cloud credits) |
| Google Vertex AI (Standard, Global, <=200K ctx) | $1.25 | $10.00 | $0.125 | Google Cloud credits |
Worked examples (monthly bill at list price)
| Workload | Claude Sonnet 5.5 | Gemini 2.5 Pro | Difference |
|---|---|---|---|
| Support chatbot: 100,000 × 1,000 in / 300 out | $500.00 | $425.00 | +18% |
| RAG over docs: 50,000 × 4,000 in / 500 out | $650.00 | $500.00 | +30% |
| Coding agent: 200,000 × 20,000 in / 2,000 out | $12,000.00 | $9,000.00 | +33% |
Tokens per $25,000 of credits
- Claude Sonnet 5.5 via Amazon Bedrock (global) (AWS credits): 6.25B tokens
- Gemini 2.5 Pro via Google Vertex AI (Standard, Global, <=200K ctx) (Google Cloud credits): 7.27B tokens
More
Cost calculator
Monthly bill: $500
Paid with AWS credits: 50.0 months of runway.
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Prices and credit amounts are estimates and may change. Check AWS for current terms.