LLMversus

Gemini 2.0 Flash Lite 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 Lite ranks higher overall with an Arena ELO of 1200 vs 1180.

Updated: April 20, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGemini 2.0 Flash LiteGPT-4 1.5-nano
ProviderGoogleOpenAI
Input Price / 1M tokens$0.075$0.100
Output Price / 1M tokens$0.300$0.400
Context Window
1.048576M
128K
Max Output Tokens
8,192
4,096
Arena ELO
1,200
1,150
Coding ELO
1,170
1,160
TTFT (ms)
100
120
Tokens/sec
180
150
MultimodalYesNo
JSON ModeYesYes
Function CallingYesYes
VisionYesNo
When to Use Gemini 2.0 Flash Lite

Choose Gemini 2.0 Flash Lite when you need: cheapest google model available, ultra-fast response times, 1m context window, great for simple tasks at scale. It excels at chatbots, classification, high-volume, cost-sensitive tasks. It is also the more cost-effective option between the two. Its 1049K context window is larger, making it better for long-document processing.

Strengths:

  • Cheapest Google model available
  • Ultra-fast response times
  • 1M context window
  • Great for simple tasks at scale

Best for:

chatbotsclassificationhigh-volumecost-sensitive
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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