Grok 4.20 BetavsMiniMax M3
MiniMax M3 is cheaper than Grok 4.20 Beta at $0.3/M vs $2/M input tokens.
| Spec | Grok 4.20 Beta | MiniMax M3 |
|---|---|---|
| Input price | $2/M tokens | $0.3/M tokens |
| Output price | $6/M tokens | $1.2/M tokens |
| Context window | 2.0M tokens | 1.0M tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Mar 2026 | Jun 2026 |
Our Verdict
Grok 4.20 Beta
MiniMax M3Runner-up
Not enough votes to call it. On the specs, Grok 4.20 Beta has the edge: bigger model tier, bigger context window, major provider backing.
MiniMax M3 costs 5.0x less per token.
Too close to call
API pricing
Cost per 1M tokens
Grok 4.20 Beta
Input
$2.00
Output
$6.00
MiniMax M3
Input
$0.30
6.7× cheaper
Output
$1.20
5.0× cheaper
MiniMax M3 is cheaper on both: 6.7× input, 5.0× output.
Where to run it
13 hosts, cheapest first
Grok 4.20 Beta1 host
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Writing DNA
Style Comparison
Similarity
44%
MiniMax M3 uses 115.0x more emoji
Grok 4.20 Beta
MiniMax M3
57%Vocabulary55%
20wSentence Length24w
0.35Hedging0.52
4.2Bold5.2
3.7Lists3.0
0.00Emoji1.15
0.62Headings1.21
0.14Transitions0.02
Based on 23 + 27 text responses
Research
What we learned reading every model
FAQ
Common questions
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