Grok 4.20 Multi-Agent BetavsOptimus Alpha
Grok 4.20 Multi-Agent Beta has a larger context window than Optimus Alpha (2.0M tokens vs 1.0M tokens).
| Spec | Grok 4.20 Multi-Agent Beta | Optimus Alpha |
|---|---|---|
| Input price | $2/M tokens | — |
| Output price | $6/M tokens | — |
| Context window | 2.0M tokens | 1.0M tokens |
| Released | Mar 2026 | Apr 2025 |
Our Verdict
Grok 4.20 Multi-Agent Beta
Optimus AlphaRunner-up
Not enough votes to call it. On the specs, Grok 4.20 Multi-Agent Beta has the edge: bigger model tier, newer, bigger context window, major provider backing.
Slight edge
API pricing
Cost per 1M tokens
Grok 4.20 Multi-Agent Beta
Input
$2.00
Output
$6.00
Optimus Alpha
Input
—
Output
—
Writing DNA
Style Comparison
Similarity
47%
Optimus Alpha uses 11.0x more transitions
Grok 4.20 Multi-Agent Beta
Optimus Alpha
59%Vocabulary63%
16wSentence Length18w
0.41Hedging0.55
2.7Bold7.7
2.4Lists5.7
0.00Emoji0.00
0.26Headings0.30
0.02Transitions0.27
Based on 23 + 10 text responses
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