Andromeda AlphavsChatGPT-4o (March 2025)
Andromeda Alpha is cheaper than ChatGPT-4o (March 2025) at $0/M vs $5/M input tokens.
| Spec | Andromeda Alpha | ChatGPT-4o (March 2025) |
|---|---|---|
| Input price | Free | $5/M tokens |
| Output price | Free | $15/M tokens |
| Context window | 128K tokens | 128K tokens |
| Free API (OpenRouter) | No | No |
| Released | Oct 2025 | Mar 2025 |
Our Verdict
ChatGPT-4o (March 2025)
Andromeda AlphaRunner-up
Not enough votes to call it. On the specs, ChatGPT-4o (March 2025) has the edge: bigger model tier, major provider backing.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
Andromeda Alpha
Input
$0.000
Output
$0.000
ChatGPT-4o (March 2025)
Input
$5.00
Output
$15.00
Writing DNA
Style Comparison
Similarity
61%
Andromeda Alpha uses 2.5x more transitions
Andromeda Alpha
ChatGPT-4o (March 2025)
65%Vocabulary55%
15wSentence Length24w
0.64Hedging0.52
7.8Bold3.3
4.2Lists6.0
0.41Emoji0.94
0.80Headings0.63
0.12Transitions0.05
Based on 13 + 15 text responses
Research
What we learned reading every model
FAQ
Common questions
Keep exploring
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