ERNIE 5.1 vs moonshotai/Kimi-K2.5
moonshotai/Kimi-K2.5 is cheaper on output tokens, while moonshotai/Kimi-K2.5 offers a larger context window. Choose ERNIE 5.1 or moonshotai/Kimi-K2.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | ERNIE 5.1 | moonshotai/Kimi-K2.5 |
|---|---|---|
| Provider | NanoGPT | SiliconFlow |
| Input / 1M tokens | $0.75 | $0.45 |
| Output / 1M tokens | $3.00 | $2.25 |
| Context window | 119K | 262K |
| Parameters | — | 1T |
| Open weights | No | Yes |
| Released | May 2026 | Jan 2026 |
| LMArena (Chatbot Arena) Elo score | 1468 | — |
FAQ
Is ERNIE 5.1 or moonshotai/Kimi-K2.5 cheaper?
moonshotai/Kimi-K2.5 is cheaper on output tokens ($2.25 vs $3.00 per 1M).
Which has the larger context window, ERNIE 5.1 or moonshotai/Kimi-K2.5?
moonshotai/Kimi-K2.5 has the larger context window (262K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.