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  5. GPT-5 CodexvsQwen3.8 Max (0902)
Updated Sep 2026

GPT-5 CodexvsQwen3.8 Max (0902)

Qwen3.8 Max (0902) is the newer model, released after GPT-5 Codex.

GPT-5 Codex and Qwen3.8 Max (0902) compared across 10 shared prompts
SpecGPT-5 CodexQwen3.8 Max (0902)
Input price—$2/M tokens
Output price—$6/M tokens
Context window—1.0M tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedSep 2025Sep 2026
Side by side

Same prompt, both answers

Opening lines from 2 of the 10 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 Codex569 words
1-Month Jumpstart to Better Health & Longevity This plan is designed for beginners and emphasizes steady, sustainable progress. It focuses on three key areas: diet, movement, and sleep & stress. Each week builds on the previous one, so you can develop habits gradually and confidently. 🥗 1.
Read the full answer
Qwen3.8 Max (0902)536 words
The 30-Day Foundation Plan Core principle: Don't overhaul your life. Layer small wins that compound. 🏃 Area 1: Movement The goal isn't fitness. It's making your body a place you want to live in. Week 1 — Build the trigger Walk 15 minutes daily (same time each day to build the habit) No gym. No gear.
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 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.
Read the full answer
Qwen3.8 Max (0902)230 words
🍯 Midnight Crispy Chickpea Bowl A sweet-savory, crispy rice bowl that comes together faster than delivery. Ingredients (7) # Ingredient Amount 1 Canned chickpeas (drained & patted dry) 1 can (15 oz) 2 Soy sauce 3 tbsp 3 Honey 2 tbsp 4 Garlic (minced) 3 cloves 5 Vegetable oil 2 tbsp 6 Instant or leftover cooked rice 2…
Read the full answer
Our Verdict
GPT-5 Codex
GPT-5 Codex
Qwen3.8 Max (0902)
Qwen3.8 Max (0902)Runner-up

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

Too close to call
API pricing

Cost per 1M tokens

GPT-5 Codex
Input
—
Output
—
Qwen3.8 Max (0902)
Input
$2.00
Output
$6.00
Where to run it

1 host

GPT-5 Codex

No hosts listed on OpenRouter.

Qwen3.8 Max (0902)1 host
HostInOutContextUptime
Alibaba Cloud$2.00 in·$6.00 out·1M·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

GPT-5 Codex is developed by OpenAI while Qwen3.8 Max (0902) is developed by Qwen. You can compare their actual outputs across 10 challenges on Rival to see how they differ in practice.

It depends on your use case. GPT-5 Codex and Qwen3.8 Max (0902) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 10 challenges so you can judge which fits your needs best.

This page shows a side-by-side comparison of GPT-5 Codex and Qwen3.8 Max (0902) 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

GPT-5 Codex logoGPT-6 Astra Pro logo
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Qwen3.8 Max (0902) logoQwen3.8 Flash logo
Qwen3.8 Max (0902) vs Qwen3.8 FlashSame lab
Qwen3.8 Max (0902) logoQwen3.8 2.4T A95B logo
Qwen3.8 Max (0902) vs Qwen3.8 2.4T A95BSame lab
GPT-5 Codex logoQwen3 Coder logo
GPT-5 Codex vs Qwen3 CoderSame size
Qwen3.8 Max (0902) logoQwen3 Coder Flash logo
Qwen3.8 Max (0902) vs Qwen3 Coder FlashSame lab
GPT-5 Codex logoQwen3 Coder Next logo
GPT-5 Codex vs Qwen3 Coder NextCross-provider
Qwen3.8 Max (0902) logoQwen3 Coder Plus logo
Qwen3.8 Max (0902) vs Qwen3 Coder PlusSame lab

Model pages

GPT-5 Codex logo
GPT-5 Codex50 outputs, specs and price
Qwen3.8 Max (0902) logo
Qwen3.8 Max (0902)10 outputs, specs and price
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