What is the difference between GPT-4.5 and Muse Glimmer 30B?

GPT-4.5 is developed by OpenAI while Muse Glimmer 30B is developed by Meta AI. GPT-4.5 has a 128K token context window vs Muse Glimmer 30B's 131K. You can compare their actual outputs across 2 challenges on Rival to see how they differ in practice.

Which is better, GPT-4.5 or Muse Glimmer 30B?

It depends on your use case. GPT-4.5 and Muse Glimmer 30B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 2 challenges so you can judge which fits your needs best.

How much does GPT-4.5 cost compared to Muse Glimmer 30B?

GPT-4.5 costs $75/M input tokens and Muse Glimmer 30B costs $0.3/M input tokens. Muse Glimmer 30B is $74.70/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare GPT-4.5 and Muse Glimmer 30B on Rival?

This page shows a side-by-side comparison of GPT-4.5 and Muse Glimmer 30B 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.

Updated Aug 2026

GPT-4.5vsMuse Glimmer 30B

Muse Glimmer 30B is cheaper than GPT-4.5 at $0.3/M vs $75/M input tokens.

GPT-4.5 and Muse Glimmer 30B compared across 2 shared prompts
Spec	GPT-4.5	Muse Glimmer 30B
Input price	$75/M tokens	$0.3/M tokens
Output price	$150/M tokens	$1.2/M tokens
Context window	128K tokens	131K tokens
Parameters	Not disclosed	30B
Weights	—	Open
Free API (OpenRouter)	No	No
Released	Feb 2025	Aug 2026

Side by side

Same prompt, both answers

Opening lines from every prompt both answered. Formatting stripped, words untouched.

Advanced Longevity Plan (Biohacker)

Develop a comprehensive, cutting-edge 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive…

GPT-4.5202 words

Longevity Optimization Protocol (3-Month Timeline) Month 1: Establish Foundational Habits & Baseline Metrics Full biomarker panel & epigenetic age test. Wearable setup: Oura/WHOOP, CGM, HR chest strap. Diet: 5-day keto (70/25/5) + 2 carb-refeed days; 16:8 IF + weekly 24-h fast.

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Muse Glimmer 30B965 words

A 3-month longevity protocol is about stacking evidence-based interventions with tight feedback loops. This is an educational framework for biohacking enthusiasts, not medical advice. Supplements and protocols can interact with medications and health conditions.

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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-4.5153 words

Sweet Cinnamon Sugar Swirls Ingredients: 1 sheet puff pastry, thawed 1/4 cup granulated sugar 1 tablespoon cinnamon 2 tablespoons melted butter Pinch of salt 1 teaspoon vanilla extract Powdered sugar (optional for dusting) Prep Time: 10 minutes Cook Time: 15 minutes Total Time: 25 minutes Instructions: Preheat your…

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Muse Glimmer 30B321 words

Dish Name: "Midnight Pantry Pantry Hero Pasta" A creamy-ish, garlicky tomato pasta that tastes like you tried way harder than you did. All from the pantry, no fresh produce needed.

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Our Verdict

GPT-4.5

Muse Glimmer 30B

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

Muse Glimmer 30B costs 125x less per token.

Too close to call

API pricing

Cost per 1M tokens

GPT-4.5

Input

$75.00

Output

$150.00

Muse Glimmer 30B

Input

$0.30

250× cheaper

Output

$1.20

125× cheaper

Muse Glimmer 30B is cheaper on both: 250× input, 125× output.

Where to run it

4 hosts, cheapest first

GPT-4.5

No hosts listed on OpenRouter.

Muse Glimmer 30B4 hosts

HostInOutContextUptime

Phala$0.30 in$1.10 out131k100% up DeepInfrabf16$0.30 in$1.20 out131k100% up Fireworks$0.35 in$1.50 out131k100% up Together$0.35 in$1.50 out131k99.8% up

Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Same prompt, both answers

Advanced Longevity Plan (Biohacker)

Simple 7-Ingredient Recipe

Cost per 1M tokens

4 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between GPT-4.5 and Muse Glimmer 30B?

Which is better, GPT-4.5 or Muse Glimmer 30B?

How much does GPT-4.5 cost compared to Muse Glimmer 30B?

How can I compare GPT-4.5 and Muse Glimmer 30B on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages

Same prompt, both answers

Advanced Longevity Plan (Biohacker)

Simple 7-Ingredient Recipe

Cost per 1M tokens

4 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between GPT-4.5 and Muse Glimmer 30B?

Which is better, GPT-4.5 or Muse Glimmer 30B?

How much does GPT-4.5 cost compared to Muse Glimmer 30B?

How can I compare GPT-4.5 and Muse Glimmer 30B on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages