MiniMax M3vsOpenAI o3
MiniMax M3 is cheaper than OpenAI o3 at $0.3/M vs $10/M input tokens.
| Spec | MiniMax M3 | OpenAI o3 |
|---|---|---|
| Input price | $0.3/M tokens | $10/M tokens |
| Output price | $1.2/M tokens | $40/M tokens |
| Context window | 1.0M tokens | — |
| Weights | Open | Closed |
| Free API (OpenRouter) | No | No |
| Released | Jun 2026 | Apr 2025 |
Our Verdict
OpenAI o3
MiniMax M3Runner-up
Not enough votes to call it. On the specs, OpenAI o3 has the edge: bigger model tier, major provider backing.
MiniMax M3 costs 33x less per token.
Too close to call
API pricing
Cost per 1M tokens
MiniMax M3
Input
$0.30
33× cheaper
Output
$1.20
33× cheaper
OpenAI o3
Input
$10.00
Output
$40.00
MiniMax M3 is cheaper on both: 33× input, 33× output.
Where to run it
13 hosts, cheapest first
OpenAI o31 host
Per million tokens. Prices and uptime via OpenRouter, checked 8 Sep 2026.
Writing DNA
Style Comparison
Similarity
45%
MiniMax M3 uses 115.0x more emoji
MiniMax M3
OpenAI o3
55%Vocabulary70%
24wSentence Length14w
0.52Hedging0.27
5.2Bold0.6
3.0Lists2.8
1.15Emoji0.00
1.21Headings0.32
0.02Transitions0.10
Based on 27 + 19 text responses
Research
What we learned reading every model
FAQ
Common questions
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