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  1. Home/
  2. Compare/
  3. GPT-5.4 Pro vs Polaris Alpha
Updated Mar 2026

GPT-5.4 Pro vs Polaris Alpha

Polaris Alpha is cheaper than GPT-5.4 Pro at $0/M vs $30/M input tokens.

Written rounds

2 prompts
  • Seven pantry ingredients, one dish, and a name worth saying out loud.

    GPT-5.4 Pro: Dragon Pantry Peanut Noodles A fast, sweet-savory noodle dish made from 7 pantry staples. Ingredients 8 oz spaghetti 1/3 cup peanut butter 3 tbsp soy sauce 1 tbsp honey 1 tbsp vegetable oil 1 tsp garlic powder 1/4 tsp red pepper flakes Water for boiling/thinning the sauce doesn’t count.

    Polaris Alpha: Dish: Golden Pantry Butter Rice Ingredients (7 total): White rice (1 cup, uncooked) Butter (2 tbsp) Onion (1 small, finely chopped) Garlic (2 cloves, minced) Chicken or vegetable broth (2 cups) – or water + 1 bouillon cube Salt Black pepper Instructions: Rinse the rice under cold water until it runs mostly clear; drain…

    Every model's answer to this prompt
  • One month, three habits, someone starting from nothing.

    GPT-5.4 Pro: Here’s a simple, beginner-friendly 1-month health and longevity plan built around 3 key areas: Nutrition Movement Recovery (sleep + stress) The goal is consistency, not perfection. Start small and make the habits easy enough to keep.

    Polaris Alpha: Great goal—and smart to keep it simple. Here’s a beginner-friendly, 1‑month plan built around 3 pillars: Daily movement Better eating Sleep & stress Assumptions: generally healthy adult, no major medical issues. If you have conditions, meds, or pain, check with a doctor before changing exercise/diet.

    Every model's answer to this prompt

Price and specs

Not enough votes to call it. On the specs, GPT-5.4 Pro has the edge: bigger model tier, newer, bigger context window, major provider backing.

GPT-5.4 Pro and Polaris Alpha compared across 2 shared prompts
SpecGPT-5.4 ProPolaris Alpha
Input price$30/M tokensFree
Output price$180/M tokensFree
Context window1.1M tokens256K tokens
WeightsClosed—
Free API (OpenRouter)NoNo
ReleasedMar 2026Nov 2025
At 10M a month$300$300$0$0
1M10M100M1B10M tokens

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

Where to run it2 hosts
GPT-5.4 Pro2 hosts
HostInOutContextUptime
  • Azure AI Foundry$30.00 in·$180.00 out·1.1M·100% up
  • OpenAI$30.00 in·$180.00 out·1.1M–not listed
Polaris Alpha

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.

Common questions

What is the difference between GPT-5.4 Pro and Polaris Alpha?

GPT-5.4 Pro is developed by OpenAI while Polaris Alpha is developed by OpenRouter. GPT-5.4 Pro has a 1.1M token context window vs Polaris Alpha's 256K. You can compare their actual outputs across 2 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.4 Pro or Polaris Alpha?

It depends on your use case. GPT-5.4 Pro and Polaris Alpha 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-5.4 Pro cost compared to Polaris Alpha?

GPT-5.4 Pro costs $30/M input tokens and Polaris Alpha costs $0/M input tokens. Polaris Alpha is $30.00/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-5.4 Pro and Polaris Alpha on Rival?

This page shows a side-by-side comparison of GPT-5.4 Pro and Polaris Alpha 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.

More comparisons

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Same lab, same size, long tail

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  • Polaris Alpha vs OpenRouter Fusion · Budget (Jun 2026)Same lab
  • GPT-5.4 Pro vs Qwen3 235B A22B 2507Same size
  • GPT-5.4 Pro vs Qwen3 235B A22B Thinking 2507Same size
  • GPT-5.4 Pro vs Qwen3 30B A3BNew provider
  • GPT-5.4 Pro vs Qwen3 30B A3B Instruct 2507New provider

Model pages

  • GPT-5.4 Pro18 outputs, specs and price
  • Polaris Alpha35 outputs, specs and price
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