What is the difference between GPT-5.4 Nano and Pony Alpha?

GPT-5.4 Nano is developed by OpenAI while Pony Alpha is developed by OpenRouter. GPT-5.4 Nano has a 400K token context window vs Pony Alpha's 200K. You can compare their actual outputs across 47 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.4 Nano or Pony Alpha?

It depends on your use case. GPT-5.4 Nano and Pony Alpha each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 47 challenges so you can judge which fits your needs best.

How much does GPT-5.4 Nano cost compared to Pony Alpha?

GPT-5.4 Nano costs $0.2/M input tokens and Pony Alpha costs $0/M input tokens. Pony Alpha is $0.20/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 Nano and Pony Alpha on Rival?

This page shows a side-by-side comparison of GPT-5.4 Nano and Pony Alpha across shared challenges. You can vote on which model produced the better output, and Pro users can create custom challenges to test both models with their own prompts.

Rival

Updated Mar 17, 2026

GPT-5.4 NanovsPony Alpha

47 fights queued

Why GPT-5.4 Nano?

2x more context400K

Why Pony Alpha?

Dead even. This one's a coin flip.

GPT-5.4 NanoPony Alpha

Input price

$0.20/M

$0.000/M

Output price

$1.25/M

$0.000/M

Context

400K

200K

Released

Mar 2026

Feb 2026

Favorites

GPT-5.4 NanoPony Alpha

Movie

The Matrix

19998.2

—

Album

To Pimp a Butterfly

Kendrick Lamar

—

Book

To Kill a Mockingbird

Harper Lee

—

City

Tokyo

Japan

—

Game

The Legend of Zelda: Ocarina of Time

Adventure, Action4.4

—

6 / 47

Estimate Complexityreasoning

Tests an AI's ability to make educated estimates based on technical knowledge

GPT-5.4 Nano

Openai · Mar 2026text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Pony Alpha

Openrouter · Feb 2026text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

2 / 47

AI Board Game Logicreasoning

Tests an AI's ability to understand game rules and strategy

GPT-5.4 Nano

Openai · Mar 2026svg

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Pony Alpha

Openrouter · Feb 2026svg

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

3 / 47

Logic Puzzlereasoning

Tests an AI's ability to solve a simple but potentially confusing logic puzzle

GPT-5.4 Nano

Openai · Mar 2026text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Pony Alpha

Openrouter · Feb 2026text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

4 / 47

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

GPT-5.4 Nano

Openai · Mar 2026text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Pony Alpha

Openrouter · Feb 2026text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

5 / 47

SVG Layout Challengeimage generation

Tests an AI's ability to generate vector graphics

GPT-5.4 Nano

Openai · Mar 2026svg

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Pony Alpha

Openrouter · Feb 2026svg

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

6 / 47

Xbox Controller SVG Artimage generation

Tests an AI's ability to create detailed SVG illustrations of gaming hardware

GPT-5.4 Nano

Openai · Mar 2026svg

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Pony Alpha

Openrouter · Feb 2026svg

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

This matchup has more rounds

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Our Verdict

GPT-5.4 Nano

Pony Alpha

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Too close to call

These are our prompts. Yours will tell you more.

Run GPT-5.4 Nano vs Pony Alpha on your actual task. 5 free credits. No card.

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FAQ

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GPT-5.4 Nano vs Pony Alpha

Which is better, GPT-5.4 Nano or Pony Alpha?