Kimi K2.5 vs Grok 4.20 Multi Agent Beta
Both have similar output pricing, while Grok 4.20 Multi Agent Beta offers a larger context window. Choose Kimi K2.5 or Grok 4.20 Multi Agent Beta based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Kimi K2.5 | Grok 4.20 Multi Agent Beta |
|---|---|---|
| Provider | MoonshotAI | Vercel AI Gateway |
| Input / 1M tokens | $0.50 | $1.25 |
| Output / 1M tokens | $2.50 | $2.50 |
| Context window | 262K | 2M |
| Parameters | 1T | — |
| Open weights | Yes | No |
| Released | Jan 2026 | Mar 2026 |
| LiveBench score | 69.2 | — |
| SWE-bench Multilingual score | 67.3 | — |
| SWE-bench Verified score | 70.8 | — |
| Epoch Capabilities Index score | 148 | — |
| LMArena (Chatbot Arena) Elo score | 1445 | — |
| LMArena WebDev Elo score | 1436 | — |
| LMArena Vision Elo score | 1269 | — |
FAQ
Is Kimi K2.5 or Grok 4.20 Multi Agent Beta cheaper?
Kimi K2.5 and Grok 4.20 Multi Agent Beta have comparable output pricing.
Which has the larger context window, Kimi K2.5 or Grok 4.20 Multi Agent Beta?
Grok 4.20 Multi Agent Beta has the larger context window (2M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.