Price Per TokenPrice Per Token
OpenAI
OpenAI
vs
Qwen
Qwen

GPT-5.3 Codex vs Qwen3.5 Plus

A detailed comparison of pricing, benchmarks, and capabilities

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Key Takeaways

GPT-5.3 Codex wins:

  • Faster response time
  • Higher intelligence benchmark
  • Better at coding

Qwen3.5 Plus wins:

  • Cheaper input tokens
  • Cheaper output tokens
  • Larger context window
Price Advantage
Qwen3.5 Plus
Benchmark Advantage
GPT-5.3 Codex
Context Window
Qwen3.5 Plus
Speed
GPT-5.3 Codex

Pricing Comparison

Benchmark Comparison

Context & Performance

Capabilities

Feature Comparison

FeatureGPT-5.3 CodexQwen3.5 Plus
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyGPT-5.3 CodexQwen3.5 Plus
LicenseProprietaryProprietary
AuthorOpenAIQwen
ReleasedFeb 2026Feb 2026

GPT-5.3 Codex Modalities

Input
textimage
Output
text

Qwen3.5 Plus Modalities

Input
textimagevideo
Output
text

Related Comparisons

Compare GPT-5.3 Codex with:

Compare Qwen3.5 Plus with:

Frequently Asked Questions

Qwen3.5 Plus has cheaper input pricing at $0.26/M tokens. Qwen3.5 Plus has cheaper output pricing at $1.56/M tokens.
GPT-5.3 Codex scores higher on coding benchmarks with a score of 53.1, compared to Qwen3.5 Plus's score of N/A.
GPT-5.3 Codex has a 400,000 token context window, while Qwen3.5 Plus has a 1,000,000 token context window.
GPT-5.3 Codex supports vision. Qwen3.5 Plus supports vision.