Grok 4.20 Multi Agent Beta vs Grok 4.3
Both have similar output pricing, while Grok 4.20 Multi Agent Beta offers a larger context window. Choose Grok 4.20 Multi Agent Beta or Grok 4.3 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Grok 4.20 Multi Agent Beta | Grok 4.3 |
|---|---|---|
| Provider | Vercel AI Gateway | SpaceXAI |
| Input / 1M tokens | $1.25 | $1.25 |
| Output / 1M tokens | $2.50 | $2.50 |
| Context window | 2M | 1M |
| Parameters | — | — |
| Open weights | No | — |
| Released | Mar 2026 | — |
| LiveBench score | — | 67.4 |
| GPQA Diamond score | — | 88.8 |
| LMArena (Chatbot Arena) Elo score | — | 1397 |
| LMArena WebDev Elo score | — | 1357 |
| LMArena Vision Elo score | — | 1229 |
FAQ
Is Grok 4.20 Multi Agent Beta or Grok 4.3 cheaper?
Grok 4.20 Multi Agent Beta and Grok 4.3 have comparable output pricing.
Which has the larger context window, Grok 4.20 Multi Agent Beta or Grok 4.3?
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.