GPT-5.1-CodexvsMiniMax M2-her
MiniMax M2-her is cheaper than GPT-5.1-Codex at $0.3/M vs $1.25/M input tokens.
| Spec | GPT-5.1-Codex | MiniMax M2-her |
|---|---|---|
| Input price | $1.25/M tokens | $0.3/M tokens |
| Output price | $10/M tokens | $1.2/M tokens |
| Context window | 400K tokens | 66K tokens |
| Released | Nov 2025 | Jan 2026 |
Our Verdict
GPT-5.1-Codex
MiniMax M2-herRunner-up
Not enough votes to call it. On the specs, GPT-5.1-Codex has the edge: bigger model tier, bigger context window, major provider backing.
MiniMax M2-her costs 8.3x less per token.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.1-Codex
Input
$1.25
Output
$10.00
MiniMax M2-her
Input
$0.30
4.2× cheaper
Output
$1.20
8.3× cheaper
MiniMax M2-her is cheaper on both — 4.2× input, 8.3× output
Writing DNA
Style Comparison
Similarity
58%
MiniMax M2-her uses 96.5x more emoji
GPT-5.1-Codex
MiniMax M2-her
70%Vocabulary65%
17wSentence Length18w
0.39Hedging0.71
3.4Bold2.0
3.5Lists1.7
0.00Emoji0.96
0.50Headings0.31
0.38Transitions0.21
Based on 14 + 24 text responses
Research
What we learned reading every model
FAQ
Common questions
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