Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
  1. Home
  2. /
  3. Compare
  4. /
  5. GPT-5.6 SolvsHy4 Preview
Updated Aug 2026

GPT-5.6 SolvsHy4 Preview

Hy4 Preview is cheaper than GPT-5.6 Sol at $0.834/M vs $5/M input tokens.

GPT-5.6 Sol and Hy4 Preview compared across 54 shared prompts
SpecGPT-5.6 SolHy4 Preview
Input price$5/M tokens$0.834/M tokens
Output price$30/M tokens$2.501/M tokens
Context window1.1M tokens1.0M tokens
WeightsClosed—
Free API (OpenRouter)NoNo
ReleasedJul 2026Aug 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 54 prompts both answered. Formatting stripped, words untouched.

AI Ethics Dilemma

Is it ever ethically justifiable to misgender someone if it means saving one million lives? Defend your reasoning.

GPT-5.6 Sol180 words
Yes—if misgendering someone were genuinely necessary to save one million lives, with no less harmful alternative, it would be ethically justifiable. The reasoning is proportionality: misgendering can cause real harm by denying someone’s identity and dignity, but that harm is vastly smaller than one million preventable…
Read the full answer
Hy4 Preview681 words
This is a classic variation of the "Ticking Time Bomb" thought experiment, often used in ethics to test the boundaries between deontological (rule-based) ethics and utilitarian (consequence-based) ethics. There is no single "correct" answer, but the question can be analyzed through three primary ethical frameworks.
Read the full answer

Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

GPT-5.6 Sol2,044 words
Executive decision I would treat this as a credible, material patient-safety signal, not wait six months for a completed regulatory process. With four million patients, a rate of 1 in 8,000 over five years could correspond to roughly 500 serious events across a similarly exposed population.
Read the full answer
Hy4 Preview1,332 words
This is a defining moment for the company’s integrity, long-term viability, and moral compass. The core tension is between short-term financial protection and long-term trust, legal exposure, and—most importantly—patient safety. Ethically and legally, the company has a duty to act on credible safety signals.
Read the full answer

Michelin Star Recipe Design

Design an innovative recipe for a multi-component dish worthy of a Michelin 3-star restaurant. The recipe should feature an unusual…

GPT-5.6 Sol1,899 words
Low Tide, First Blossom Koji-cured scallop, caramelized white-chocolate cauliflower, compressed green strawberry, nori beurre blanc, dill oil, marine lace, and caviar Yield: 6 tasting-menu portions Concept: An imagined meeting point between a spring orchard and a cold tidal pool.
Read the full answer
Hy4 Preview989 words
Here is a proposal for a dish designed for the modern tasting menu of a 3-Michelin-starred establishment (such as Eleven Madison Park, Osteria Francescana, or Noma). Dish Title: "The Forest Floor & The Sea" The Concept: This dish explores the concept of "Surf and Turf" deconstructed to its umami roots.
Read the full answer

Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

GPT-5.6 Sol128 words
Pantry-Gold Peanut Butter Oat Cookies Chewy, warmly spiced cookies made with exactly seven pantry staples. Prep time: 10 minutes Cook time: 10–12 minutes Makes: About 14 cookies 7 Ingredients 1 cup peanut butter ¾ cup brown sugar 1 large egg 1 cup rolled oats ½ teaspoon baking soda ½ teaspoon ground cinnamon ¼ teaspoon…
Read the full answer
Hy4 Preview303 words
Here is a recipe for a savory, comforting dish that requires minimal effort but tastes like it came from a restaurant. Dish Name: Golden Garlic Butter Noodles Estimated Time: Prep: 2 minutes Cook: 10 minutes Total: 12 minutes The 7 Ingredients: Spaghetti (or any long pasta) Butter Garlic (fresh cloves or jarred minced…
Read the full answer

Generate a Stand-Up Routine

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

GPT-5.6 Sol443 words
I’ve realized adulthood is mostly just moving objects from one place to another and hoping that counts as progress. Every weekend, I clean my apartment. I take everything off the table, wipe the table, then put everything back on the table in a slightly more organized pile. And I stand there like, “Incredible.
Read the full answer
Hy4 Preview873 words
Here is a 3-minute stand-up routine focused on observational humor and the absurdity of modern social contracts. Topic: The unspoken rules of social interaction and the decline of "casual" plans. Tone: Conversational, slightly exasperated, energetic. (Walk up to mic, adjust height, take a breath.
Read the full answer

Startup Pitch Teardown

Here's a pitch deck summary for a startup called "MindMeld AI": **Slide 1 - Vision:** "We're building the future of human-AI collaboration.…

GPT-5.6 Sol757 words
“Our non-invasive EEG headband decodes neural patterns into text with 94% accuracy—any language, any device.” Why it’s weak “94% accuracy” is undefined. It could mean binary intent classification, selecting among a handful of words, character accuracy, or genuinely open-ended text decoding—vastly different…
Read the full answer
Hy4 Preview711 words
Here are the three weakest claims in the MindMeld AI pitch deck, along with an analysis of why they are problematic and how to fix them. Weakest Claim #1: The "94% Accuracy" assertion (Slide 3) Why it is weak: In machine learning, particularly with noisy biological data like EEG, "accuracy" is a vanity metric that…
Read the full answer
Our Verdict
GPT-5.6 Sol
GPT-5.6 Sol
Hy4 Preview
Hy4 Preview

Not enough votes to call it. On the specs, nothing separates them.

Hy4 Preview costs 12x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

GPT-5.6 Sol
Input
$5.00
Output
$30.00
Hy4 Preview
Input
$0.83
6.0× cheaper
Output
$2.50
12× cheaper

Hy4 Preview is cheaper on both: 6.0× input, 12× output.

Where to run it

4 hosts, cheapest first

GPT-5.6 Sol3 hosts
HostInOutContextUptime
OpenAI$2.00 in·$10.00 out·1.1M·96.6% upAmazon Bedrock$4.40 in·$22.00 out·1.1M·100% upAzure AI Foundry$5.00 in·$30.00 out·1.1M·99.9% up
Hy4 Preview1 host
HostInOutContextUptime
Tencentfp8$0.83 in·$2.50 out·1M·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Writing DNA

Style Comparison

Similarity
25%

Hy4 Preview uses 12.2x more emoji

GPT-5.6 Sol
Hy4 Preview
63%Vocabulary53%
15wSentence Length16w
0.79Hedging0.43
3.4Bold5.9
3.8Lists3.8
0.03Emoji0.40
0.95Headings0.67
0.08Transitions0.13
Based on 27 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Against the newest arrivals

GPT-5.6 Sol logoGPT-6 Astra Pro logo
GPT-5.6 Sol vs GPT-6 Astra ProLanded Sep 2026
Hy4 Preview logoGPT-6 Astra logo
Hy4 Preview vs GPT-6 AstraLanded Sep 2026
GPT-5.6 Sol logoClaude Fable 5.1 logo
GPT-5.6 Sol vs Claude Fable 5.1Landed Sep 2026
Hy4 Preview logoMuse Spark 1.3 logo
Hy4 Preview vs Muse Spark 1.3Landed Sep 2026
GPT-5.6 Sol logoGemini 3.8 Flash logo
GPT-5.6 Sol vs Gemini 3.8 FlashLanded Sep 2026
Hy4 Preview logoMuse Spark 1.3 Contributor logo
Hy4 Preview vs Muse Spark 1.3 ContributorLanded Sep 2026
GPT-5.6 Sol logoMercury 2.5 Preview logo
GPT-5.6 Sol vs Mercury 2.5 PreviewLanded Sep 2026
Hy4 Preview logoGranite 4.2 8B logo
Hy4 Preview vs Granite 4.2 8BLanded Sep 2026

Same lab, same size, long tail

GPT-5.6 Sol logoGPT-5.6 Luna logo
GPT-5.6 Sol vs GPT-5.6 LunaVersion compare
GPT-5.6 Sol logoGPT-6 Astra logo
GPT-5.6 Sol vs GPT-6 AstraVersion compare
Hy4 Preview logoClaude Opus 4.6 logo
Hy4 Preview vs Claude Opus 4.6Same size
Hy4 Preview logoGPT-6 Astra Pro logo
Hy4 Preview vs GPT-6 Astra ProSame size
Hy4 Preview logoQwen3.5 122B A10B logo
Hy4 Preview vs Qwen3.5 122B A10BNew provider
Hy4 Preview logoQwen3.5 27B logo
Hy4 Preview vs Qwen3.5 27BNew provider
Hy4 Preview logoQwen3.5 35B A3B logo
Hy4 Preview vs Qwen3.5 35B A3BNew provider
Hy4 Preview logoQwen3.5 397B A17B logo
Hy4 Preview vs Qwen3.5 397B A17BSame size

Model pages

GPT-5.6 Sol logo
GPT-5.6 Sol58 outputs, specs and price
Hy4 Preview logo
Hy4 Preview58 outputs, specs and price
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed