Claude Fable 5 vs Gemini 3.1 Pro Preview
Price, context and benchmark scores side by side — every number from the live model catalogue.
| Claude Fable 5anthropic | Gemini 3.1 Pro Previewgoogle | |
|---|---|---|
| Input / 1M tokens | $10.00 | $2.00 |
| Output / 1M tokens | $50.00 | $12.00 |
| 1M in + 300K out | $25.00 | $5.60 |
| Context window | 1M | 1.0M |
| Intelligence index | 59.9 | 46.5 |
| Coding index | 76.5 | 68.8 |
| Agentic index | 52.8 | 21.4 |
| Cheapest provider | Azure | |
| Providers serving it | 4 | 2 |
| Weights | Closed | Closed |
| Image input | Yes | Yes |
| Tool calling | Yes | Yes |
| Reasoning mode | Yes | Yes |
| Released | Jun 9, 2026 | Feb 19, 2026 |
Which one to pick
Pick Claude Fable 5 if…
- You want the higher general-intelligence score (59.9).
- Code quality is the priority — it leads on the coding index (76.5).
- You are running agent loops — higher agentic index (52.8).
- You want provider redundancy: 4 providers serve it.
Pick Gemini 3.1 Pro Preview if…
- Token cost matters: $12.00 per 1M output vs $50.00.
- You need the bigger context window (1.0M).
FAQ
Is Claude Fable 5 better than Gemini 3.1 Pro Preview?
Claude Fable 5 scores higher on general intelligence (59.9 vs 46.5), while Gemini 3.1 Pro Preview is 4.2× cheaper per output token ($12.00 vs $50.00). For code, Claude Fable 5 leads (76.5 coding index). Gemini 3.1 Pro Preview takes the larger context at 1.0M.
Which is cheaper, Claude Fable 5 or Gemini 3.1 Pro Preview?
Gemini 3.1 Pro Preview, at $12.00 per 1M output tokens versus $50.00. On a 1M input + 300K output workload that is $5.60 against $25.00.
Can I self-host Claude Fable 5 or Gemini 3.1 Pro Preview?
Claude Fable 5: closed weights, API only. Gemini 3.1 Pro Preview: closed weights, API only.