Model decision surface
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Start with Claude Fable 5 and Claude Fable 5.1, or choose any two current ranked language models. Compare capability evidence, price, context, provider availability, and weight access without pretending one field decides every use case.
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Current public data
Claude Fable 5 vs Claude Fable 5.1
Live dataset updated 9/3/2026, 2:31:57 AM UTC
Open 1200×630 evidence receipt| Field | Claude Fable 5 Anthropic | Claude Fable 5.1 Anthropic |
|---|---|---|
| ModelCap position | #1 | #2 |
| Index score | 85.3 | 84.1 |
| Evidence | Measured6 public benchmark observations across 6 boards | Measured2 public benchmark observations across 2 boards |
| Input / 1M | $10.00 | $10.00 |
| Output / 1M | $50.00 | $50.00 |
| Pricing status | fresh | fresh |
| Context | 1M | 1M |
| Providers | 5 | 4 |
| Weight access | API only | API only |
Decision facts
- Claude Fable 5 is #1; Claude Fable 5.1 is #2 on the same current language board.
- Index scores are 85.3 for Claude Fable 5 and 84.1 for Claude Fable 5.1.
- Both positions use Measured evidence.
- Listed output price per 1M tokens is $50.00 for Claude Fable 5 and $50.00 for Claude Fable 5.1.
- Published context is 1,000,000 tokens for Claude Fable 5 and 1,000,000 for Claude Fable 5.1.
- ModelCap currently lists 5 providers for Claude Fable 5 and 4 for Claude Fable 5.1.
These are separate published fields, not a synthetic winner. ModelCap does not collapse price, access, context, and capability evidence into a hidden recommendation score.
Popular comparisons
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- GPT-5.6 Sol vs Qwen3.8 Max#5 vs #7 on the ModelCap Index
- Kimi K3 vs Qwen3.8 Max#6 vs #7 on the ModelCap Index
- Claude Fable 5 vs Gemini 3.1 Pro Preview#1 vs #8 on the ModelCap Index
- Claude Fable 5.1 vs Gemini 3.1 Pro Preview#2 vs #8 on the ModelCap Index
- Claude Opus 5 vs Gemini 3.1 Pro Preview#3 vs #8 on the ModelCap Index
Each comparison page is a permanent, shareable URL with the same live figures as this tool: ModelCap Index position, API pricing, context window, provider count, weight access and every shared benchmark board.