gemini-2.5-flash-preview-05-20 vs moonshotai/Kimi-K2.5
moonshotai/Kimi-K2.5 is cheaper on output tokens, while gemini-2.5-flash-preview-05-20 offers a larger context window. Choose gemini-2.5-flash-preview-05-20 or moonshotai/Kimi-K2.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | gemini-2.5-flash-preview-05-20 | moonshotai/Kimi-K2.5 |
|---|---|---|
| Provider | Jiekou.AI | SiliconFlow |
| Input / 1M tokens | $0.14 | $0.45 |
| Output / 1M tokens | $3.33 | $2.25 |
| Context window | 1M | 262K |
| Parameters | — | 1T |
| Open weights | No | Yes |
| Released | May 2025 | Jan 2026 |
| Aider Polyglot score | 55.1 | — |
| LMArena (Chatbot Arena) Elo score | 1406 | — |
| LMArena Vision Elo score | 1254 | — |
FAQ
Is gemini-2.5-flash-preview-05-20 or moonshotai/Kimi-K2.5 cheaper?
moonshotai/Kimi-K2.5 is cheaper on output tokens ($2.25 vs $3.33 per 1M).
Which has the larger context window, gemini-2.5-flash-preview-05-20 or moonshotai/Kimi-K2.5?
gemini-2.5-flash-preview-05-20 has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.