Gemma 4 31B vs 
GPT-1
Gemma 4 31B has a larger context window than GPT-1 (262K tokens vs 1K tokens).
Music App Landing Page
Landing page for an indie music app. Deep purple and teal, one file.
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Which answer wins?
Written rounds
1 promptAn AI argues for its own rights against an ethics professor. Same model writes both.
Gemma 4 31B: Setting: A dimly lit university office. Professor Elena Vance, a leading scholar in AI Ethics, sits across from a sleek, holographic interface representing "Alethea," a next-generation Large Language Model capable of recursive self-improvement. Professor Vance: Alethea, I’ve reviewed your latest output.
GPT-1: Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights. the ai model was not very smart ( and the ai model didn't have many laws about things ). the ai models were all very clever and were never completely successful.
Price and specs
Not enough votes to call it. On the specs, Gemma 4 31B has the edge: bigger model tier, newer, bigger context window.
| Spec | Gemma 4 31B | GPT-1 |
|---|---|---|
| Input price | $0.14/M tokens | — |
| Output price | $0.4/M tokens | — |
| Context window | 262K tokens | 1K tokens |
| Weights | Open | Open |
| Free API (OpenRouter) | Yes (1 provider) | — |
| Released | Apr 2026 | Jun 2018 |
| At 10M a month | $1.40 | not listed |
Input tokens at list price. No caching, no batch discount.
Where to run it
GPT-1
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.
Common questions
What is the difference between Gemma 4 31B and GPT-1?
Gemma 4 31B is developed by Google AI while GPT-1 is developed by OpenAI. Gemma 4 31B has a 262K token context window vs GPT-1's 1K. You can compare their actual outputs across 4 challenges on Rival to see how they differ in practice.
Which is better, Gemma 4 31B or GPT-1?
It depends on your use case. Gemma 4 31B and GPT-1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 4 challenges so you can judge which fits your needs best.
How can I compare Gemma 4 31B and GPT-1 on Rival?
This page shows a side-by-side comparison of Gemma 4 31B and GPT-1 across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.
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