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Gemini 1.5 Flash vs GPT-4o: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Gemini 1.5 Flash and GPT-4o across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGemini 1.5 FlashGPT-4o
ProviderGoogleOpenAI
Input Price / 1M tokens$0.075$2.50
Output Price / 1M tokens$0.300$10.00
Context Window
1M
128K
Max Output Tokens
8,192
16,384
Arena ELO
1,190
1,260
Coding ELON/A1,265
TTFT (ms)
150
230
Tokens/sec
100
95
MultimodalYesYes
JSON ModeYesYes
Function CallingYesYes
VisionNoYes
When to Use Gemini 1.5 Flash

Gemini 1.5 Flash excels at multimodal, fast-inference, cost-effective tasks.

Strengths:

  • Super cheap
  • 1M context window
  • Fast multimodal processing

Best for:

multimodalfast-inferencecost-effective
When to Use GPT-4o

GPT-4o excels at general-purpose, multimodal, function-calling tasks.

Strengths:

  • Fast response times
  • Strong multimodal capabilities
  • Code execution support

Best for:

general-purposemultimodalfunction-calling

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