Kimi K2 Instruct vs ERNIE 5.1
Kimi K2 Instruct is cheaper on output tokens, while Kimi K2 Instruct offers a larger context window. Choose Kimi K2 Instruct or ERNIE 5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Kimi K2 Instruct | ERNIE 5.1 |
|---|---|---|
| Provider | Cortecs | NanoGPT |
| Input / 1M tokens | $0.55 | $0.75 |
| Output / 1M tokens | $2.65 | $3.00 |
| Context window | 131K | 119K |
| Parameters | — | — |
| Open weights | Yes | No |
| Released | Jul 2025 | May 2026 |
| SWE-bench Verified score | 53.4 | — |
| LMArena (Chatbot Arena) Elo score | — | 1468 |
FAQ
Is Kimi K2 Instruct or ERNIE 5.1 cheaper?
Kimi K2 Instruct is cheaper on output tokens ($2.65 vs $3.00 per 1M).
Which has the larger context window, Kimi K2 Instruct or ERNIE 5.1?
Kimi K2 Instruct has the larger context window (131K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.