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Gemini 2.0 Flash vs GPT-4.5: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Gemini 2.0 Flash and GPT-4.5 across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGemini 2.0 FlashGPT-4.5
ProviderGoogleOpenAI
Input Price / 1M tokens$0.100$75.00
Output Price / 1M tokens$0.400$150.00
Context Window
1.048576M
128K
Max Output Tokens
8,192
8,192
Arena ELO
1,260
1,290
Coding ELO
1,240
1,295
TTFT (ms)
120
150
Tokens/sec
160
100
MultimodalYesYes
JSON ModeYesYes
Function CallingYesYes
VisionYesYes
When to Use Gemini 2.0 Flash

Gemini 2.0 Flash excels at chatbots, high-volume, cost-sensitive, multimodal tasks.

Strengths:

  • Extremely fast inference
  • 1M context window at very low cost
  • Strong multimodal support
  • Great for real-time applications

Best for:

chatbotshigh-volumecost-sensitivemultimodal
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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