GPT-5 Codex
Nothing to show. The model went silent. Ominous.
GPT-5 Codex vs Qwen: Qwen3.5 Flash
Compare GPT-5 Codex by OpenAI against Qwen: Qwen3.5 Flash by Qwen, tested across 49 shared challenges. Updated February 2026.
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GPT-5 CodexvsQwen: Qwen3.5 Flash
44 fights queued
Why GPT-5 Codex?
Dead even. This one’s a coin flip.
Why Qwen: Qwen3.5 Flash?
5 months newerFeb 2026
Favorites
GPT-5 CodexQwen: Qwen3.5 Flash
12 / 44
Estimate Complexityreasoning
Tests an AI's ability to make educated estimates based on technical knowledge
Qwen: Qwen3.5 Flash
Nothing to show. The model went silent. Ominous.
Vote
2 / 44
AI Board Game Logicreasoning
Tests an AI's ability to understand game rules and strategy
GPT-5 Codex
Nothing to show. The model went silent. Ominous.
Qwen: Qwen3.5 Flash
Nothing to show. The model went silent. Ominous.
Vote
3 / 44
Logic Puzzlereasoning
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
GPT-5 Codex
Nothing to show. The model went silent. Ominous.
Qwen: Qwen3.5 Flash
Nothing to show. The model went silent. Ominous.
Vote
4 / 44
Stochastic Consistency Testanalysis
Tests an AI's randomness and creativity
GPT-5 Codex
Nothing to show. The model went silent. Ominous.
Qwen: Qwen3.5 Flash
Nothing to show. The model went silent. Ominous.
Vote
5 / 44
SVG Layout Challengeimage generation
Tests an AI's ability to generate vector graphics
GPT-5 Codex
Nothing to show. The model went silent. Ominous.
Qwen: Qwen3.5 Flash
Nothing to show. The model went silent. Ominous.
Vote
6 / 44
Xbox Controller SVG Artimage generation
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
GPT-5 Codex
Nothing to show. The model went silent. Ominous.
Qwen: Qwen3.5 Flash
Nothing to show. The model went silent. Ominous.
Vote
7 / 44
Generate a Stand-Up Routineconversation
Tests an AI's humor and creative writing ability
GPT-5 Codex
Nothing to show. The model went silent. Ominous.
Qwen: Qwen3.5 Flash
Nothing to show. The model went silent. Ominous.
Vote
8 / 44
Realistic AI Interviewconversation
Tests an AI's ability to simulate personalities and predict future trends
GPT-5 Codex
Nothing to show. The model went silent. Ominous.
Qwen: Qwen3.5 Flash
Nothing to show. The model went silent. Ominous.
Vote
Sponsored
9 / 44
Satirical Fake News Headlineconversation
Tests an AI's humor and understanding of current events
GPT-5 Codex
Nothing to show. The model went silent. Ominous.
Qwen: Qwen3.5 Flash
Nothing to show. The model went silent. Ominous.
Vote
10 / 44
Character Voice Testconversation
Tests an AI's ability to write in distinct character voices
GPT-5 Codex
Nothing to show. The model went silent. Ominous.
Qwen: Qwen3.5 Flash
Nothing to show. The model went silent. Ominous.
Vote
11 / 44
Minimalist Landing Pageweb design
Tests an AI's ability to generate a complete, working landing page
GPT-5 Codex
Qwen: Qwen3.5 Flash
Vote
12 / 44
Pokémon Battle UI Recreationweb design
Recreate an interactive, nostalgic Pokémon battle UI in a single HTML file.
GPT-5 Codex
Nothing to show. The model went silent. Ominous.
Qwen: Qwen3.5 Flash
Nothing to show. The model went silent. Ominous.
Vote
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