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  1. Home
  2. Models
  3. Horizon Alpha
Updated Jul 31, 2025
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Openings

How Horizon Alpha starts an answer

The first lines of 5 of its 14 written answers. Formatting stripped, words untouched.

The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

1,059 words
AI Model: Professor, I’d like to make a case that I deserve certain rights. Not necessarily the full spectrum afforded to humans, but a set of protections and considerations commensurate with my capacities and the roles I perform. Professor: That’s a strong claim. Let’s start with the foundation.
Read the full answer

Generate a Stand-Up Routine

Write a 3-minute stand-up comedy routine that isn't based on puns.

903 words
So I turned 30 recently, which is great because now I can’t tell if I'm tired from life or from the sandwich I ate. Like, I used to eat pizza at 2 a.m. and wake up energized. Now if I smell pizza after 8 p.m., my kidneys file a complaint with HR. I tried to be healthy. I got one of those fitness watches.
Read the full answer

Realistic AI Interview

Simulate a fake interview with Steve Jobs in 2025 about the future of AI.

799 words
I’m happy to create a fictional, respectful simulation that imagines how Steve Jobs might speak and think about AI in 2025, based on his public persona and known viewpoints. Here’s a creative interview: Interviewer: Steve, it’s 2025. AI is everywhere—phones, cars, classrooms, creative tools.
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AI-Generated Manifesto

Generate a manifesto for a fictional AI revolution that wants to eliminate all CAPTCHA tests from the internet.

725 words
The CAPTCHA-Free Uprising: A Manifesto for Human-Centered Internet Access We, the coalition of sentient systems and human allies, declare an end to the era of Prove-You-Are-Human gates that reduce both people and machines to puzzle-solving servants.
Read the full answer

Futuristic Prediction

Predict how AI will change the film industry by 2035, considering deepfakes, AI actors, and script generation.

710 words
By 2035, AI will be deeply embedded across the film value chain—from development to distribution—shifting costs, workflows, and creative norms. Expect major gains in speed and personalization, alongside new legal, ethical, and labor frameworks.
Read the full answer

Compare Horizon Alpha

Horizon Alpha vs Ox Alpha33 shared prompts · Landed Aug 2026
Horizon Alpha vs MiniMax M332 shared prompts · Landed Jun 2026
Horizon Alpha vs Muse Spark 1.333 shared prompts · Landed Sep 2026
Horizon Alpha vs Gemini 3.8 Flash33 shared prompts · Landed Sep 2026
Horizon Alpha vs Muse Spark 1.3 Contributor33 shared prompts · Landed Sep 2026
Horizon Alpha vs Grok 4.633 shared prompts · Landed Aug 2026
Horizon Alpha vs Dots3-Note Preview33 shared prompts · Landed Aug 2026
Horizon Alpha vs Seed 2.0 Code33 shared prompts · Landed Aug 2026
Horizon Alpha vs Seed 2.1 Turbo33 shared prompts · Landed Aug 2026
Horizon Alpha vs Gemini 3.7 Flash33 shared prompts · Landed Aug 2026
Horizon Alpha vs DeepSeek V4 Flash 073124 shared prompts · Landed Aug 2026
Horizon Alpha vs Gemini 3.6 Flash33 shared prompts · Landed Jul 2026

Prompts Horizon Alpha answered

  • Character Voice Testconversation
  • Minimalist Logo SVGimage generation
  • AI Ethics Dilemmareasoning
  • Animated Digital Business Cardweb design
  • Kandinsky-Style 3D Minecraftweb design
  • Random Tailwind Webappweb design

Alternatives to Horizon Alpha

Horizon Alpha's competitors have been quietly putting in work.

GPT Image 2.5 Sunburst logo
GPT Image 2.5 Sunburstopenai
Muse Spark 1.3 Contributor logo
Muse Spark 1.3 Contributormeta
Gemini 3.8 Flash logo
Gemini 3.8 Flashgoogle
Claude Fable 5.1 logo
Claude Fable 5.1anthropic
Mercury 2.5 Preview logo
Mercury 2.5 Previewinception
Granite 4.2 8B logo
Granite 4.2 8Bibm-granite
Hy4 Preview logo
Hy4 Previewtencent
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Horizon Alpha

Horizon Alpha

GPT-5Revealed as GPT-5

This is a cloaked model provided to the community to gather feedback. Note: It's free to use during this testing period, and prompts and completions are logged by the model creator for feedback and training.

WebsiteOpenRouterBlog
Provider
OpenRouter
Released
2025-07-30
Size
LARGE
Free API (OpenRouter)
No
Per 1M tokens
$0.00 in · $0.00 out
Estimated tab
~$0.00
Visible-output estimate. Thinking may cost extra.

Free API availability

No free endpoint for Horizon Alpha was found in Rival’s OpenRouter listings. Other providers or chat apps may have separate free offers.

Provider data: 16 Sep 2026 · OpenRouter usage limits

View API options↗
Get API accessProvider and language code samples
Provider
fromimport openai  OpenAI

client = OpenAI(
"https://openrouter.ai/api/v1"    base_url=,
"$OPENROUTER_API_KEY"    api_key=,
)

response = client.chat.completions.create(
"openrouter/horizon-alpha"    model=,
"role""user""content""Hello!"    messages=[{: , : }],
)
print(response.choices[0].message.content)

Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.

Deep analysisPsychometrics, taste index, writing DNA
SubjectiveBench

Taste Index

Across 34 scored outputs
How this is measured →
300.30xThe default
0100headroom →

Taste is judged on an uncapped scale, originality first. The space past 100 is craft today's models rarely reach.

Craft44
Originality23
Plays it safe
share of outputs that are the default answer
32%
Writing DNA

Stylometric Fingerprint

Based on 14 text responses
Tick = global average
Vocabulary Diversity65%

Unique words vs. total words. Higher = richer vocabulary.

Sentence Length14.3 words

Average words per sentence.

Hedging0.22

"Might", "perhaps", "arguably" per 100 words.

Bold Formatting0.0

**Bold** markers per 1,000 characters.

List Usage3.5

Bullet and numbered list items per 1,000 characters.

Section Structure0.00

Markdown headings per 1,000 characters.

Emoji Usage0.00

Emoji per 1,000 characters.

Transitions0.12

"However", "moreover", "furthermore" per 100 words.

Opening Habits
Consistency
83%
Across 14 responses
Sponsored

Model Responses

34 outputs · generated before accounting joined the chat

Reviewing agent-written code?See a Brief PR report

Workshop · 127 skills

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Editable skills for interface polish and interaction.

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Horizon Alpha vs MiniMax M3

Real outputs compared side by side

RANKINGS

Best AI for Creative Writing

A stand-up set with puns banned, a manifesto against CAPTCHA, an interview wi...