Kimi-k1.5 vs Kimi K2 0905: Specs & Benchmark Comparison
| Characteristic | Kimi-k1.5 | Kimi K2 0905 |
|---|---|---|
| Company | Moonshot AI | Moonshot AI |
| Release Date | January 20, 2025 | September 5, 2025 |
| Parameters | — | 1.0T |
| Multimodal | Yes | No |
| Context (input) | — | 262K |
| Context (output) | — | 262K |
| Input Price / 1M | — | $0.60 |
| Output Price / 1M | — | $2.50 |
| Average Score | 0.8 | 0.8 |
| Benchmarks | ||
| AIME 2024 | 0.8 | 0.7 |
| MMLU | 0.9 | 0.9 |
Visual Benchmark Comparison
Kimi-k1.5
Kimi K2 0905
AIME 20240.8 vs 0.7
0.8
0.7
MMLU0.9 vs 0.9
0.9
0.9
Verdict
Kimi K2 0905 leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: Kimi-k1.5 — 0.8, Kimi K2 0905 — 0.8.
Recency
Kimi K2 0905 is newer: released 9/5/2025 vs 1/20/2025.
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Frequently Asked Questions
Which is better for coding — Kimi-k1.5 or Kimi K2 0905?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Kimi-k1.5 or Kimi K2 0905?
API pricing data is available on the individual model pages.
Which has a larger context window — Kimi-k1.5 or Kimi K2 0905?
Context window data is available on the individual model pages.
The Kimi-k1.5 and Kimi K2 0905 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Kimi-k1.5 or Kimi K2 0905 page. See also the complete list of AI model comparisons.