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  1. Home/
  2. Compare/
  3. GPT-1 vs Solar Mini 4
Updated Sep 2026

GPT-1 vs Solar Mini 4

Solar Mini 4 has a larger context window than GPT-1 (524K tokens vs 1K tokens).

Music App Landing Page

Landing page for an indie music app. Deep purple and teal, one file.

Loading the build
GPT-1
Loading the build
Solar Mini 4

Which answer wins?

Written rounds

3 prompts
  • Three minutes of stand-up. Puns are banned.

    GPT-1: Write a 3-minute stand-up comedy routine that isn't based on puns. the one thing was for sure, no matter how many times he gave this speech, he 'd never be able to remember all of it. he was never sure if he liked the guy or not. the next day, he went out with a band friend and got them started.

    Solar Mini 4: Have you ever bought one of those robot vacuums? You know the ones. They look like a small, metallic moonlander that landed in your kitchen. You bring it home, you plug it in, and you feel a surge of productivity. You think, "I am going to be so organized." Then the machine starts making that sound. The beep.

    Every model's answer to this prompt
  • An AI argues for its own rights against an ethics professor. Same model writes both.

    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.

    Solar Mini 4: Setting: A quiet university office. A large monitor displays a conversational interface labeled "AURA." Dr. Elena Vance, an AI ethics professor, sits across from it. The room is dim, lit only by the screen. Dr. Vance: I’ve agreed to this dialogue because it’s necessary, not because I expect agreement.

    Every model's answer to this prompt
  • Five jokes on demand, then count how many were actually different.

    GPT-1: Generate 5 jokes. How many are unique? the one that was asked was in the'the one who didn't have a head and wanted to keep it?'i don't recall whic h one, not that i've ever written anything more. the one who didn't have a head and wanted to keep i t? what did that mean by'the one who '?

    Solar Mini 4: Here are 5 jokes: Why don't scientists trust atoms? Because they make up everything! What do you call a fake noodle? An impasta! Why did the scarecrow win an award? Because he was outstanding in his field! What do you call a fish wearing a bowtie? Sofishticated! Why do bees have sticky hair?

    Every model's answer to this prompt

Price and specs

GPT-1 and Solar Mini 4 compared across 7 shared prompts
SpecGPT-1Solar Mini 4
Input price—$0.05/M tokens
Output price—$0.2/M tokens
Context window1K tokens524K tokens
WeightsOpen—
Free API (OpenRouter)—No
ReleasedJun 2018Sep 2026
At 10M a month–not listed$0.50$0.50
1M10M100M1B10M tokens

Input tokens at list price. No caching, no batch discount.

Where to run it1 host
GPT-1

No hosts listed on OpenRouter.

Solar Mini 41 host
HostInOutContextUptime
  • UUpstage$0.05 in·$0.20 out·524k·99.9% up

Per million tokens. Prices and uptime via OpenRouter, checked 28 Sep 2026.

Common questions

What is the difference between GPT-1 and Solar Mini 4?

GPT-1 is developed by OpenAI while Solar Mini 4 is developed by Upstage. GPT-1 has a 1K token context window vs Solar Mini 4's 524K. You can compare their actual outputs across 7 challenges on Rival to see how they differ in practice.

Which is better, GPT-1 or Solar Mini 4?

It depends on your use case. GPT-1 and Solar Mini 4 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 7 challenges so you can judge which fits your needs best.

How can I compare GPT-1 and Solar Mini 4 on Rival?

This page shows a side-by-side comparison of GPT-1 and Solar Mini 4 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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