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Gemini 1.5 Pro vs GPT-4.5: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Gemini 1.5 Pro and GPT-4.5 across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGemini 1.5 ProGPT-4.5
ProviderGoogleOpenAI
Input Price / 1M tokens$1.25$75.00
Output Price / 1M tokens$5.00$150.00
Context Window
2M
128K
Max Output Tokens
8,192
8,192
Arena ELO
1,230
1,290
Coding ELON/A1,295
TTFT (ms)
150
150
Tokens/sec
100
100
MultimodalYesYes
JSON ModeYesYes
Function CallingYesYes
VisionYesYes
When to Use Gemini 1.5 Pro

Gemini 1.5 Pro excels at multimodal, long-context, vision tasks.

Strengths:

  • Largest context window (2M)
  • Strong multimodal
  • Video understanding

Best for:

multimodallong-contextvision
When to Use GPT-4.5

GPT-4.5 excels at multimodal, vision, general-purpose tasks.

Strengths:

  • Latest OpenAI model
  • Strong multimodal
  • Fast inference

Best for:

multimodalvisiongeneral-purpose

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