Updated Feb 6, 2026

Our Verdict

GPT-5 Codex

Pony AlphaRunner-up

No community votes yet. On paper, GPT-5 Codex has the edge — bigger model tier, major provider backing.

Too close to call

Writing DNA

Style Comparison

Similarity

99%

GPT-5 Codex uses 14.6x more emoji

GPT-5 Codex

Pony Alpha

64%Vocabulary52%

17wSentence Length15w

0.38Hedging0.40

2.3Bold5.9

3.5Lists4.4

0.15Emoji0.00

0.49Headings0.71

0.05Transitions0.23

Based on 13 + 20 text responses

vs

Ask them anything yourself

GPT-5 Codex

Pony Alpha

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026

Free preview13 of 58 slides

Download the free preview or get all 58 slides for $49

FAQ

Common questions

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GPT-5 Codex vs MiniMax M2.5New provider

Pony Alpha vs Claude Opus 4New provider

Pony Alpha vs Gemini 2.5 Pro Preview 06-05New provider

GPT-5 CodexvsPony Alpha

43 fights queued

Why GPT-5 Codex?

Dead even. This one's a coin flip.

Why Pony Alpha?

5 months newerFeb 2026

GPT-5 CodexPony Alpha

Input price

—

$0.000/M

Output price

—

$0.000/M

Context

—

200K

Released

Sep 2025

Feb 2026

Favorites

GPT-5 CodexPony Alpha

Movie

Blade Runner

Blade Runner

—

Album

Kind of Blue

—

City

Tokyo

—

Game

Minecraft

Minecraft

Action, Arcade4.4

—

12 / 43

01

Estimate Complexityreasoning

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

GPT-5 Codex

GPT-5 Codex

Openai · Sep 2025text

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

Try this prompt

Pony Alpha

Pony Alpha

Openrouter · Feb 2026text

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

Try this prompt

Vote

2 / 43

02

AI Board Game Logicreasoning

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

GPT-5 Codex

GPT-5 Codex

Openai · Sep 2025svg

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

Try this prompt

Pony Alpha

Pony Alpha

Openrouter · Feb 2026svg

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

Try this prompt

Vote

3 / 43

03

Logic Puzzlereasoning

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

GPT-5 Codex

GPT-5 Codex

Openai · Sep 2025text

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

Try this prompt

Pony Alpha

Pony Alpha

Openrouter · Feb 2026text

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

Try this prompt

Vote

4 / 43

04

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

GPT-5 Codex

GPT-5 Codex

Openai · Sep 2025text

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

Try this prompt

Pony Alpha

Pony Alpha

Openrouter · Feb 2026text

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

Try this prompt

Vote

5 / 43

05

SVG Layout Challengeimage generation

Tests an AI's ability to generate vector graphics

GPT-5 Codex

GPT-5 Codex

Openai · Sep 2025svg

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

Try this prompt

Pony Alpha

Pony Alpha

Openrouter · Feb 2026svg

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

Try this prompt

Vote

6 / 43

06

Xbox Controller SVG Artimage generation

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

GPT-5 Codex

GPT-5 Codex

Openai · Sep 2025svg

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

Try this prompt

Pony Alpha

Pony Alpha

Openrouter · Feb 2026svg

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

Try this prompt

Vote

Sponsored

7 / 43

07

Generate a Stand-Up Routineconversation

Tests an AI's humor and creative writing ability

GPT-5 Codex

GPT-5 Codex

Openai · Sep 2025text

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

Try this prompt

Pony Alpha

Pony Alpha

Openrouter · Feb 2026text

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

Try this prompt

Vote

8 / 43

08

Realistic AI Interviewconversation

Tests an AI's ability to simulate personalities and predict future trends

GPT-5 Codex

GPT-5 Codex

Openai · Sep 2025text

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

Try this prompt

Pony Alpha

Pony Alpha

Openrouter · Feb 2026text

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

Try this prompt

Vote

9 / 43

09

Character Voice Testconversation

Tests an AI's ability to write in distinct character voices

GPT-5 Codex

GPT-5 Codex

Openai · Sep 2025text

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

Try this prompt

Pony Alpha

Pony Alpha

Openrouter · Feb 2026text

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

Try this prompt

Vote

10 / 43

10

Minimalist Landing Pageweb design

Tests an AI's ability to generate a complete, working landing page

GPT-5 Codex

GPT-5 Codex

Openai · Sep 2025website

Try this prompt

Pony Alpha

Pony Alpha

Openrouter · Feb 2026website

Try this prompt

Vote

11 / 43

11

Pokémon Battle UI Recreationweb design

Recreate an interactive, nostalgic Pokémon battle UI in a single HTML file.

GPT-5 Codex

GPT-5 Codex

Openai · Sep 2025website

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

Try this prompt

Pony Alpha

Pony Alpha

Openrouter · Feb 2026website

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

Try this prompt

Vote

12 / 43

12

Mario Level UI Recreationweb design

Recreate an interactive, classic Mario level in a single HTML file.

GPT-5 Codex

GPT-5 Codex

Openai · Sep 2025website

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

Try this prompt

Pony Alpha

Pony Alpha

Openrouter · Feb 2026website

Try this prompt

Vote

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