LLMversus

Gemini 2.0 Flash vs GPT-4 1.5-nano: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 20, 2026By LLMversusUpdated June 14, 2026View methodology

⚡ Quick Answer

Gemini 2.0 Flash is stronger for coding with a coding ELO of 1240 vs 1150. Gemini 2.0 Flash ranks higher overall with an Arena ELO of 1260 vs 1180.

Updated: April 20, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGemini 2.0 FlashGPT-4 1.5-nano
ProviderGoogleOpenAI
Input Price / 1M tokens$0.100$0.100
Output Price / 1M tokens$0.400$0.400
Context Window
1.048576M
128K
Max Output Tokens
8,192
4,096
Arena ELO
1,260
1,150
Coding ELO
1,240
1,160
TTFT (ms)
120
120
Tokens/sec
160
150
MultimodalYesNo
JSON ModeYesYes
Function CallingYesYes
VisionYesNo
When to Use Gemini 2.0 Flash

Choose Gemini 2.0 Flash when you need: extremely fast inference, 1m context window at very low cost, strong multimodal support, great for real-time applications. It excels at chatbots, high-volume, cost-sensitive, multimodal tasks. Its 1049K context window is larger, making it better for long-document processing.

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 1.5-nano

Choose GPT-4.1 Nano when you need: ultra-low pricing, 1m context window, very fast inference, ideal for simple tasks at scale. It excels at chatbots, classification, cost-sensitive, high-volume tasks.

Strengths:

  • Super cheap
  • Very fast
  • Large context

Best for:

cost-effectivefast-inference

Frequently Asked Questions

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