Claude Fable 5.1 vs Kimi K2.6: Specs & Benchmark Comparison
| Characteristic | Claude Fable 5.1 | Kimi K2.6 |
|---|---|---|
| Company | Anthropic | Moonshot AI |
| Release Date | September 1, 2026 | April 20, 2026 |
| Parameters | — | 1.0T |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 262K |
| Context (output) | 128K | 131K |
| Input Price / 1M | $10.00 | $1.20 |
| Output Price / 1M | $50.00 | $4.50 |
| Average Score | 0.6 | 0.9 |
Verdict
Claude Fable 5.1 leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: Claude Fable 5.1 — 0.6, Kimi K2.6 — 0.9.
API Cost
Kimi K2.6 is 10.5x cheaper: input $1.20/1M vs $10.00/1M tokens.
Context Window
Claude Fable 5.1 supports a larger context: 1M vs 262K tokens.
Recency
Claude Fable 5.1 is newer: released 9/1/2026 vs 4/20/2026.
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Frequently Asked Questions
Which is better for coding — Claude Fable 5.1 or Kimi K2.6?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Claude Fable 5.1 or Kimi K2.6?
Kimi K2.6 is cheaper for input: $1.20 per 1M tokens vs $10.00.
Which has a larger context window — Claude Fable 5.1 or Kimi K2.6?
Claude Fable 5.1 supports a larger context: 1,048,576 tokens vs 262,144.
The Claude Fable 5.1 and Kimi K2.6 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Fable 5.1 or Kimi K2.6 page. See also the complete list of AI model comparisons.