Kimi K3.1 Pro Highspeed (Moonshot AI) vs Step-2 16k Exp
Step-2 16k Exp is cheaper on output tokens, while Kimi K3.1 Pro Highspeed (Moonshot AI) offers a larger context window. Choose Kimi K3.1 Pro Highspeed (Moonshot AI) or Step-2 16k Exp based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Kimi K3.1 Pro Highspeed (Moonshot AI) | Step-2 16k Exp |
|---|---|---|
| Provider | LLM Gateway | NanoGPT |
| Input / 1M tokens | $4.00 | $7.00 |
| Output / 1M tokens | $20.00 | $19.99 |
| Context window | 1M | 16K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Oct 2026 | Jul 2024 |
| LMArena (Chatbot Arena) Elo score | — | 1321 |
FAQ
Is Kimi K3.1 Pro Highspeed (Moonshot AI) or Step-2 16k Exp cheaper?
Step-2 16k Exp is cheaper on output tokens ($19.99 vs $20.00 per 1M).
Which has the larger context window, Kimi K3.1 Pro Highspeed (Moonshot AI) or Step-2 16k Exp?
Kimi K3.1 Pro Highspeed (Moonshot AI) 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.