Price Per TokenPrice Per Token
OpenAI
OpenAI
vs
Fireworks
Fireworks

GPT-5.2 Pro vs Marin 8B Instruct

A detailed comparison of pricing, benchmarks, and capabilities

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Key Takeaways

GPT-5.2 Pro wins:

  • Larger context window
  • Faster response time
  • Higher intelligence benchmark
  • Better at coding
  • Better at math
  • Supports vision
  • Has reasoning mode
  • Supports tool calls

Marin 8B Instruct wins:

  • Cheaper input tokens
  • Cheaper output tokens
Price Advantage
Marin 8B Instruct
Benchmark Advantage
GPT-5.2 Pro
Context Window
GPT-5.2 Pro
Speed
GPT-5.2 Pro

Pricing Comparison

Benchmark Comparison

Context & Performance

Capabilities

Feature Comparison

FeatureGPT-5.2 ProMarin 8B Instruct
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyGPT-5.2 ProMarin 8B Instruct
LicenseProprietaryOpen Source
AuthorOpenAIFireworks
ReleasedDec 2025Unknown

GPT-5.2 Pro Modalities

Input
imagetextfile
Output
text

Marin 8B Instruct Modalities

Input
Output

Frequently Asked Questions

Marin 8B Instruct has cheaper input pricing at $0.18/M tokens. Marin 8B Instruct has cheaper output pricing at $0.18/M tokens.
GPT-5.2 Pro has a 400,000 token context window, while Marin 8B Instruct has a 131,072 token context window.
GPT-5.2 Pro supports vision. Marin 8B Instruct does not support vision.