Objective comparison based on public benchmarks updated weekly: Intelligence Index, Chatbot Arena ELO, pricing and speed.
Anthropic
Intelligence Index
53.4
Coding Index
81.6
3 criteria won
View full profile →| Critério | Kimi K3.1 Pro | Claude Fable 5.1 (Max, Default Fallback) |
|---|---|---|
| Chatbot Arena ELO | — | — |
| Intelligence Index (AA) | 55.1 ✓ | 53.4 |
| Coding Index (AA) | — | 81.6 ✓ |
| Input price ($/1M tok) | $2.00 ✓ | $10.00 |
| Output price ($/1M tok) | $10.00 ✓ | $50.00 |
| Context window | — | 1.0M tokens ✓ |
| Speed (tokens/s) | 41 tok/s | 68 tok/s ✓ |
✓ = winner in this criterion • Source: Artificial Analysis, LMArena, official APIs • Updated weekly
Choosing between Kimi K3.1 Pro and Claude Fable 5.1 (Max, Default Fallback) depends on your use case, budget and technical requirements. Below, a practical guide based on benchmark data and each model's specifications.
Kimi · Text
Anthropic · Text
Kimi K3.1 Pro and Claude Fable 5.1 (Max, Default Fallback) are evenly matched in this comparison. Choose based on the criterion most important for your project.
Data is aggregated from Artificial Analysis (Intelligence Index, Coding Index) and Chatbot Arena/LMArena (ELO). Pricing and specs come from official APIs. Updated weekly.
The Intelligence Index is an aggregate score from Artificial Analysis that combines multiple academic benchmarks (MMLU, GPQA, LiveBench, etc.) into a single rating. The higher the score, the more capable the model is at reasoning tasks.
Yes. Kimi K3.1 Pro costs $2/1M input tokens, while Claude Fable 5.1 (Max, Default Fallback) costs $10/1M tokens — 400% more expensive. For high-volume projects, Kimi K3.1 Pro represents significant savings. Total cost also depends on output pricing and your application's usage pattern.
Claude Fable 5.1 (Max, Default Fallback) has a context window of 1.0M tokens. Context window data for Kimi K3.1 Pro is not publicly available.