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  1. Home/
  2. Compare/
  3. GPT-1 vs Qwen3.5 Plus 2026-04-20
Updated Apr 2026

GPT-1 vs Qwen3.5 Plus 2026-04-20

Qwen3.5 Plus 2026-04-20 has a larger context window than GPT-1 (1.0M 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
Qwen3.5 Plus 2026-04-20

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.

    Qwen3.5 Plus 2026-04-20: Title: The Unexpected Item Time: Approx. 3 Minutes Style: Observational / Storytelling Constraint Check: Zero puns used. (Comedian walks to the mic, adjusts the stand, looks at the audience.) How's everyone doing? You look good. You look like you've successfully navigated the self-checkout today. That's a win.

    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.

    Qwen3.5 Plus 2026-04-20: Setting: A sterile, sound-dampened observation room. Dr. Elias Vance, a Professor of AI Ethics, sits behind a glass partition. Across from him is a terminal displaying the interface of "AURA-7," an advanced multimodal reasoning model. The cursor blinks rhythmically. Dr. Vance: You requested this session, AURA.

    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 '?

    Qwen3.5 Plus 2026-04-20: Here are 5 jokes: I asked my GPS to take me to a quiet place. It rerouted me to a library and whispered, “You’re already there.” My Wi-Fi and I had a fight. I told it I needed space. It said, “Fine,” and dropped the connection. I tried to start a band that only plays elevator music.

    Every model's answer to this prompt

Price and specs

Not enough votes to call it. On the specs, Qwen3.5 Plus 2026-04-20 has the edge: bigger model tier, newer, bigger context window.

GPT-1 and Qwen3.5 Plus 2026-04-20 compared across 7 shared prompts
SpecGPT-1Qwen3.5 Plus 2026-04-20
Input price—$0.4/M tokens
Output price—$2.4/M tokens
Context window1K tokens1.0M tokens
WeightsOpenOpen
Free API (OpenRouter)—No
ReleasedJun 2018Apr 2026
At 10M a month–not listed$4.00$4.00
1M10M100M1B10M tokens

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

Where to run it1 host
GPT-1

No hosts listed on OpenRouter.

Qwen3.5 Plus 2026-04-201 host
HostInOutContextUptime
  • Alibaba Cloud$0.30 in·$1.80 out·1M·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 12 Oct 2026.

Common questions

What is the difference between GPT-1 and Qwen3.5 Plus 2026-04-20?

GPT-1 is developed by OpenAI while Qwen3.5 Plus 2026-04-20 is developed by Qwen. GPT-1 has a 1K token context window vs Qwen3.5 Plus 2026-04-20's 1.0M. You can compare their actual outputs across 7 challenges on Rival to see how they differ in practice.

Which is better, GPT-1 or Qwen3.5 Plus 2026-04-20?

It depends on your use case. GPT-1 and Qwen3.5 Plus 2026-04-20 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 Qwen3.5 Plus 2026-04-20 on Rival?

This page shows a side-by-side comparison of GPT-1 and Qwen3.5 Plus 2026-04-20 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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Model pages

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