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  5. GPT-5.1-Codex-MinivsMuse Glimmer 30B
Updated Aug 2026

GPT-5.1-Codex-MinivsMuse Glimmer 30B

Muse Glimmer 30B is cheaper than GPT-5.1-Codex-Mini at $0.3/M vs $1.5/M input tokens.

GPT-5.1-Codex-Mini and Muse Glimmer 30B compared across 13 shared prompts
SpecGPT-5.1-Codex-MiniMuse Glimmer 30B
Input price$1.5/M tokens$0.3/M tokens
Output price$6/M tokens$1.2/M tokens
Context window400K tokens131K tokens
WeightsClosedOpen
Free API (OpenRouter)NoNo
ReleasedNov 2025Aug 2026
Side by side

Same prompt, both answers

Opening lines from 2 of the 13 prompts both answered. Formatting stripped, words untouched.

Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

GPT-5.1-Codex-Mini577 words
1-Month Beginner Plan for Better Health & Longevity Focus areas: Nutrition, Movement, and Sleep & Stress Balance. Each week builds a little habit-building momentum. Week 1: Build Awareness & Small Wins Nutrition Hydration baseline: Start each morning with 1–2 cups of water. Carry a bottle.
Read the full answer
Muse Glimmer 30B485 words
Here is a simple, beginner-friendly 1-month plan built around 3 foundational pillars for health and longevity. The goal isn't perfection, it's consistency. The 3 Pillars: Move Daily, Eat Whole, Sleep Well Pick 1-2 small habits per pillar to start. Don't try to change everything at once.
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-5.1-Codex-Mini182 words
Honey-Garlic Chickpea Sizzle Bowls Prep + Cook Time: ~25 minutes Ingredients (7 pantry staples): 1 can chickpeas, drained and rinsed 1 cup rice (white or brown) 2 tbsp olive oil 3 garlic cloves, minced (or 1 tsp garlic powder if canned) 2 tbsp honey 2 tbsp soy sauce 1/2 tsp chili flakes (adjust to your heat preference)…
Read the full answer
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.
Read the full answer
Our Verdict
GPT-5.1-Codex-Mini
GPT-5.1-Codex-Mini
Muse Glimmer 30B
Muse Glimmer 30BRunner-up

Not enough votes to call it. On the specs, GPT-5.1-Codex-Mini has the edge: bigger model tier, bigger context window.

Muse Glimmer 30B costs 5.0x less per token.

Too close to call
API pricing

Cost per 1M tokens

GPT-5.1-Codex-Mini
Input
$1.50
Output
$6.00
Muse Glimmer 30B
Input
$0.30
5.0× cheaper
Output
$1.20
5.0× cheaper

Muse Glimmer 30B is cheaper on both: 5.0× input, 5.0× output.

Where to run it

5 hosts, cheapest first

GPT-5.1-Codex-Mini1 host
HostInOutContextUptime
Azure AI Foundry$0.25 in·$2.00 out·400k·100% up
Muse Glimmer 30B4 hosts
HostInOutContextUptime
PPhala$0.30 in·$1.10 out·131k·100% upDDeepInfrabf16$0.30 in·$1.20 out·131k·100% upFFireworks$0.35 in·$1.50 out·131k·100% upTTogether$0.35 in·$1.50 out·131k·99.8% up

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

Research

What we learned reading every model

FAQ

Common questions

GPT-5.1-Codex-Mini is developed by OpenAI while Muse Glimmer 30B is developed by Meta AI. GPT-5.1-Codex-Mini has a 400K token context window vs Muse Glimmer 30B's 131K. You can compare their actual outputs across 13 challenges on Rival to see how they differ in practice.

It depends on your use case. GPT-5.1-Codex-Mini and Muse Glimmer 30B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 13 challenges so you can judge which fits your needs best.

GPT-5.1-Codex-Mini costs $1.5/M input tokens and Muse Glimmer 30B costs $0.3/M input tokens. Muse Glimmer 30B is $1.20/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of GPT-5.1-Codex-Mini 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.

Keep exploring

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Model pages

GPT-5.1-Codex-Mini logo
GPT-5.1-Codex-Mini59 outputs, specs and price
Muse Glimmer 30B logo
Muse Glimmer 30B13 outputs, specs and price
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