Cypher Alpha (free)vsGPT OSS 20B
GPT OSS 20B is the newer model, released after Cypher Alpha (free).
| Spec | Cypher Alpha (free) | GPT OSS 20B |
|---|---|---|
| Input price | — | $0.02/M tokens |
| Output price | — | $0.1/M tokens |
| Context window | — | 131K tokens |
| Weights | — | Open |
| Free API (OpenRouter) | No | No |
| Released | Jul 2025 | Aug 2025 |
Our Verdict
GPT OSS 20B
Cypher Alpha (free)Runner-up
Not enough votes to call it. On the specs, GPT OSS 20B has the edge: newer, bigger context window, major provider backing.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
Cypher Alpha (free)
Input
—
Output
—
GPT OSS 20B
Input
$0.02
Output
$0.10
Where to run it
13 hosts, cheapest first
Cypher Alpha (free)
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 13 Sep 2026.
Writing DNA
Style Comparison
Similarity
51%
GPT OSS 20B uses 10.2x more emoji
Cypher Alpha (free)
GPT OSS 20B
64%Vocabulary54%
15wSentence Length17w
0.34Hedging0.26
0.7Bold5.9
2.3Lists3.3
0.00Emoji0.10
0.00Headings0.75
0.16Transitions0.32
Based on 15 + 21 text responses
Research
What we learned reading every model
FAQ
Common questions
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