Claude Opus 5 vs Kimi K2.6: Specs & Benchmark Comparison
| Characteristic | Claude Opus 5 | Kimi K2.6 |
|---|---|---|
| Company | Anthropic | Moonshot AI |
| Release Date | July 24, 2026 | April 20, 2026 |
| Parameters | — | 1.0T |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 262K |
| Context (output) | 128K | 131K |
| Input Price / 1M | $5.00 | $1.20 |
| Output Price / 1M | $25.00 | $4.50 |
| Average Score | 0.6 | 0.9 |
Verdict
Claude Opus 5 leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: Claude Opus 5 — 0.6, Kimi K2.6 — 0.9.
API Cost
Kimi K2.6 is 5.3x cheaper: input $1.20/1M vs $5.00/1M tokens.
Context Window
Claude Opus 5 supports a larger context: 1M vs 262K tokens.
Recency
Claude Opus 5 is newer: released 7/24/2026 vs 4/20/2026.
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Frequently Asked Questions
Which is better for coding — Claude Opus 5 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 Opus 5 or Kimi K2.6?
Kimi K2.6 is cheaper for input: $1.20 per 1M tokens vs $5.00.
Which has a larger context window — Claude Opus 5 or Kimi K2.6?
Claude Opus 5 supports a larger context: 1,000,000 tokens vs 262,144.
The Claude Opus 5 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 Opus 5 or Kimi K2.6 page. See also the complete list of AI model comparisons.