Claude Fable 5 vs Claude Opus 5 vs Gemini 3 Pro Preview
Claude Fable 5 vs Claude Opus 5 vs Gemini 3 Pro Preview: Gemini 3 Pro Preview is the cheapest by 77%. Claude Fable 5 (Azure AI Foundry, 1,000,000 ctx); Claude Opus 5 (Azure AI Foundry, 1,000,000 ctx); Gemini 3 Pro Preview (Google Vertex AI, 1,048,576 ctx). Route any of them via Agent Command Center for shadow A/B without code changes.
| Claude Fable 5 | Claude Opus 5 | Gemini 3 Pro Preview | |
|---|---|---|---|
| Input price | $10.00/M | $5.00/M | $2.00/M |
| Output price | $50.00/M | $25.00/M | $12.00/M |
| Context window | 1,000,000 | 1,000,000 | 1,048,576 |
| Max output | 128,000 | 128,000 | 65,535 |
| Function calling | ✓ | ✓ | ✓ |
| Vision | ✓ | ✓ | ✓ |
| Audio input | — | — | ✓ |
| Reasoning | ✓ | ✓ | ✓ |
| Prompt caching | ✓ | ✓ | ✓ |
| Structured output | ✓ | ✓ | ✓ |
| Pricing verified | Aug 6, 2026 | Aug 6, 2026 | Aug 6, 2026 |
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