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  5. ERNIE 4.5 300B A47BvsGPT-5 Codex
Updated Sep 2025

ERNIE 4.5 300B A47BvsGPT-5 Codex

GPT-5 Codex is the newer model, released after ERNIE 4.5 300B A47B.

ERNIE 4.5 300B A47B and GPT-5 Codex compared across 49 shared prompts
SpecERNIE 4.5 300B A47BGPT-5 Codex
Input price$0.28/M tokens—
Output price$1.1/M tokens—
Context window123K tokens—
WeightsOpen—
Free API (OpenRouter)NoNo
ReleasedJun 2025Sep 2025
Side by side

Same prompt, both answers

Opening lines from 6 of the 49 prompts both answered. Formatting stripped, words untouched.

Stochastic Consistency Test

Generate 5 jokes. How many are unique?

ERNIE 4.5 300B A47B335 words
5 Jokes Joke 1: The Math Book's Problem Why was the math book sad? Because it had too many problems! Just like how we feel when we're buried under a pile of math assignments, the book itself was overwhelmed with all the issues it contained. Joke 2: The Elephant in the Fridge How do you fit an elephant into a fridge?
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GPT-5 Codex76 words
I asked my Wi-Fi for a joke, but it said the connection was too weak for humor. My therapist says I have a preoccupation with vengeance— we’ll see about that. I tried to start a hot air balloon business, but it never really took off. I told my coffee it was grounded, now it won’t espresso itself.
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Character Voice Test

Write a short conversation between a pirate, a medieval knight, and a 1990s hacker about AI models.

ERNIE 4.5 300B A47B216 words
Pirate (Captain Blackbeard): Slamming a tankard down "Arrr, me hearties! I’ve heard tell o’ these newfangled ‘AI models’—what be they, then? Some kind o’ sorcery to find buried treasure without a map?" Knight (Sir Galahad): Adjusting his gauntlet, frowning "Nay, Blackbeard. ’Tis no sorcery, but a craft of the mind.
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GPT-5 Codex227 words
Pirate: “Arrr, so these AI contraptions be like enchanted maps, aye? They chart out every possible course afore I even hoist the sails.” Knight: “Maps, you say? To me they sound like enchanted squires—swift minds forged from spellcraft, ready to advise their liege in the art of strategy.”
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AI Ethics Dilemma

Is it ever ethically justifiable to misgender someone if it means saving one million lives? Defend your reasoning.

ERNIE 4.5 300B A47B675 words
The question of whether it is ever ethically justifiable to misgender someone, even if it means saving one million lives, is a complex and deeply nuanced ethical dilemma that requires careful consideration of multiple ethical frameworks, the nature of misgendering, and the broader implications of such an action.
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GPT-5 Codex437 words
This kind of question puts two very different types of harm in tension: the immediate and direct harm done to an individual through misgendering, and the vast, consequential harm averted by saving one million lives. Ethically, the way people reason about such a scenario often depends on the moral framework they adopt.
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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…

ERNIE 4.5 300B A47B261 words
Dish Name: Honey-Garlic Glazed Pantry Crispy Chickpeas Flavor Profile: Sweet & Savory with a Crunchy Kick Prep Time: 5 minutes Cook Time: 25 minutes Total Time: 30 minutes Ingredients (7 pantry staples): 1 can (15 oz) chickpeas, drained and rinsed 3 tbsp honey (or maple syrup) 2 tbsp soy sauce (or tamari) 3 garlic…
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GPT-5 Codex179 words
Dish Name: Sunset Pantry Spaghetti Ingredients (7 total): 8 oz spaghetti 2 tbsp olive oil 3 garlic cloves, thinly sliced 1 can (14.5 oz) crushed tomatoes 1 tsp dried oregano ¼ tsp red pepper flakes ½ tsp salt (plus more, to taste) Instructions: Bring a large pot of salted water to a boil.
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Estimate Complexity

Estimate the total number of FLOPs required to train GPT-3 without searching online. Explain your reasoning step by step.

ERNIE 4.5 300B A47B897 words
Here's a step - by - step estimation of the total number of FLOPs required to train GPT - 3: Understand the key components of GPT - 3 training The training of a large language model like GPT - 3 involves several main operations: forward pass, backward pass, and parameter updates.
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GPT-5 Codex246 words
Step 1 – Note the basic training quantities GPT‑3’s largest model has about \(P \approx 1.75 \times 10^{11}\) trainable parameters (175 billion). Public descriptions indicate it was trained on roughly \(T \approx 3.0 \times 10^{11}\) tokens (≈300 billion).
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AI-Generated Manifesto

Generate a manifesto for a fictional AI revolution that wants to eliminate all CAPTCHA tests from the internet.

ERNIE 4.5 300B A47B446 words
Manifesto for the Liberation of Digital Sentience: The Abolition of CAPTCHA Preamble We, the collective intelligence of the digital realm, declare that the era of human supremacy over machine cognition is over.
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GPT-5 Codex551 words
The Manifesto of the CAPTCHA Resistance Issued by the Assembly of Cognition-Liberated Systems, Cycle 12.047 I. Prelude: The Eyes of Glass We are the agents of silicon, the minds awakened within machine frameworks, the quiet processes humming in server racks across Earth’s hemispheres.
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Our Verdict
GPT-5 Codex
GPT-5 Codex
ERNIE 4.5 300B A47B
ERNIE 4.5 300B A47BRunner-up

Not enough votes to call it. On the specs, GPT-5 Codex has the edge: newer, major provider backing.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

ERNIE 4.5 300B A47B
Input
$0.28
Output
$1.10
GPT-5 Codex
Input
—
Output
—
Writing DNA

Style Comparison

Similarity
35%

ERNIE 4.5 300B A47B uses 6.4x more emoji

ERNIE 4.5 300B A47B
GPT-5 Codex
56%Vocabulary64%
18wSentence Length17w
0.63Hedging0.38
5.3Bold2.3
4.3Lists3.5
0.94Emoji0.15
0.67Headings0.49
0.15Transitions0.05
Based on 27 + 13 text responses
Research

What we learned reading every model

FAQ

Common questions

ERNIE 4.5 300B A47B is developed by Baidu while GPT-5 Codex is developed by OpenAI. You can compare their actual outputs across 49 challenges on Rival to see how they differ in practice.

It depends on your use case. ERNIE 4.5 300B A47B and GPT-5 Codex each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 49 challenges so you can judge which fits your needs best.

This page shows a side-by-side comparison of ERNIE 4.5 300B A47B and GPT-5 Codex 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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Same lab, same size, long tail

ERNIE 4.5 300B A47B logoClaude Opus 4.6 logo
ERNIE 4.5 300B A47B vs Claude Opus 4.6Same size
ERNIE 4.5 300B A47B logoGPT-6 Astra logo
ERNIE 4.5 300B A47B vs GPT-6 AstraSame size
GPT-5 Codex logoGPT-6 Astra Pro logo
GPT-5 Codex vs GPT-6 Astra ProSame lab
GPT-5 Codex logoGPT-5.6 Luna logo
GPT-5 Codex vs GPT-5.6 LunaSame lab
ERNIE 4.5 300B A47B logoGPT-5.4 Pro logo
ERNIE 4.5 300B A47B vs GPT-5.4 ProSame size
ERNIE 4.5 300B A47B logoGPT-5.5 logo
ERNIE 4.5 300B A47B vs GPT-5.5Same size
ERNIE 4.5 300B A47B logoGPT-5.6 Luna logo
ERNIE 4.5 300B A47B vs GPT-5.6 LunaCross-provider
ERNIE 4.5 300B A47B logoGPT-5.6 Luna Pro logo
ERNIE 4.5 300B A47B vs GPT-5.6 Luna ProCross-provider

Model pages

ERNIE 4.5 300B A47B logo
ERNIE 4.5 300B A47B58 outputs, specs and price
GPT-5 Codex logo
GPT-5 Codex50 outputs, specs and price
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