Grok 4.20 Multi-Agent Beta is the newer model, released after Claude Opus 4.5.
| Spec | Claude Opus 4.5 | Grok 4.20 Multi-Agent Beta |
|---|---|---|
| Input price | — | $2/M tokens |
| Output price | — | $6/M tokens |
| Context window | — | 2.0M tokens |
| Released | Nov 2025 | Mar 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Claude Opus 4.5 uses 15.2x more emoji
Grok 4.20 Multi-Agent Beta is the newer model, released after Claude Opus 4.5.
| Spec | Claude Opus 4.5 | Grok 4.20 Multi-Agent Beta |
|---|---|---|
| Input price | — | $2/M tokens |
| Output price | — | $6/M tokens |
| Context window | — | 2.0M tokens |
| Released | Nov 2025 | Mar 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Claude Opus 4.5 uses 15.2x more emoji