Price Per TokenPrice Per Token
Baidu
Baidu
vs
OpenAI
OpenAI

ERNIE 4.5 21B A3B vs GPT-OSS-120b

A detailed comparison of pricing, benchmarks, and capabilities

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Key Takeaways

ERNIE 4.5 21B A3B wins:

  • No clear advantages in compared metrics

GPT-OSS-120b wins:

  • Cheaper input tokens
  • Cheaper output tokens
  • Larger context window
  • Faster response time
  • Higher intelligence benchmark
  • Better at coding
  • Better at math
  • Supports vision
  • Has reasoning mode
Price Advantage
GPT-OSS-120b
Benchmark Advantage
GPT-OSS-120b
Context Window
GPT-OSS-120b
Speed
GPT-OSS-120b

Pricing Comparison

Benchmark Comparison

Context & Performance

Capabilities

Feature Comparison

FeatureERNIE 4.5 21B A3BGPT-OSS-120b
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyERNIE 4.5 21B A3BGPT-OSS-120b
LicenseOpen SourceOpen Source
AuthorBaiduOpenAI
ReleasedAug 2025Aug 2025

ERNIE 4.5 21B A3B Modalities

Input
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Output
text

GPT-OSS-120b Modalities

Input
text
Output
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Frequently Asked Questions

GPT-OSS-120b has cheaper input pricing at $0.04/M tokens. GPT-OSS-120b has cheaper output pricing at $0.10/M tokens.
ERNIE 4.5 21B A3B has a 120,000 token context window, while GPT-OSS-120b has a 131,072 token context window.
ERNIE 4.5 21B A3B does not support vision. GPT-OSS-120b supports vision.