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Side-by-side comparison for AI agent model selection.
Side-by-side comparison of Claude Sonnet 4.5 and Gemini 3 Flash. Claude Sonnet 4.5 scores 67 on quality benchmarks at $18.00/1M tokens. Gemini 3 Flash scores 42 at $0.38/1M tokens.
Claude Sonnet 4.5 has higher benchmark scores. Gemini 3 Flash offers competitive value at a lower price point. For budget-conscious users, go with Gemini 3 Flash. For maximum quality, choose Claude Sonnet 4.5.
| Claude Sonnet 4.5 | Gemini 3 Flash | |
|---|---|---|
| Provider | Anthropic | |
| Tier | Premium | Budget |
| Quality Score | 67 | 42 |
| Input Price | $3.00/1M | $0.07/1M |
| Output Price | $15.00/1M | $0.30/1M |
| Speed | 70 tok/s | 200 tok/s |
| Context Window | 1.0M | 1.0M |
| Max Output | 64K | 66K |
| Reasoning | Yes | No |
| Vision | Yes | Yes |
| Task | Claude Sonnet 4.5 | Gemini 3 Flash | Savings |
|---|---|---|---|
| Coding | $35.10 | $0.74 | Gemini 3 Flash saves $34.36 |
| Writing | $9.36 | $0.20 | Gemini 3 Flash saves $9.16 |
| Analysis | $19.50 | $0.41 | Gemini 3 Flash saves $19.09 |
| Research | $15.60 | $0.33 | Gemini 3 Flash saves $15.27 |
| $3.12 | $0.07 | Gemini 3 Flash saves $3.05 | |
| Summarization | $6.24 | $0.13 | Gemini 3 Flash saves $6.11 |