GPT-5.3-CodexvsMiniMax M2
MiniMax M2 is cheaper than GPT-5.3-Codex at $0/M vs $1.75/M input tokens.
| Spec | GPT-5.3-Codex | MiniMax M2 |
|---|---|---|
| Input price | $1.75/M tokens | Free |
| Output price | $14/M tokens | Free |
| Context window | 400K tokens | 205K tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Feb 2026 | Oct 2025 |
Our Verdict
GPT-5.3-Codex
MiniMax M2Runner-up
Not enough votes to call it. On the specs, GPT-5.3-Codex has the edge: bigger model tier, newer, bigger context window, major provider backing.
Slight edge
API pricing
Cost per 1M tokens
GPT-5.3-Codex
Input
$1.75
Output
$14.00
MiniMax M2
Input
$0.000
Output
$0.000
Where to run it
2 hosts
MiniMax M2
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 8 Sep 2026.
Writing DNA
Style Comparison
Similarity
48%
MiniMax M2 uses 6.2x more transitions
GPT-5.3-Codex
MiniMax M2
65%Vocabulary59%
23wSentence Length14w
0.51Hedging0.48
6.5Bold4.1
6.2Lists3.6
0.16Emoji0.08
1.90Headings0.60
0.03Transitions0.17
Based on 23 + 11 text responses
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