LLMversus

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

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

⚡ Quick Answer

Gemini 2.0 Flash is significantly cheaper at $0.10/$0.40 per million tokens vs $0.40/$1.60. Gemini 2.0 Flash is faster at 160 tokens/sec vs 115 tokens/sec. Gemini 2.0 Flash ranks higher overall with an Arena ELO of 1260 vs 1240.

Updated: April 20, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGemini 2.0 FlashGPT-4 1.5-mini
ProviderGoogleOpenAI
Input Price / 1M tokens$0.100$0.400
Output Price / 1M tokens$0.400$1.60
Context Window
1.048576M
128K
Max Output Tokens
8,192
4,096
Arena ELO
1,260
1,180
Coding ELO
1,240
1,200
TTFT (ms)
120
140
Tokens/sec
160
120
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. 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:

  • 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-mini

Choose GPT-4.1 Mini when you need: 1m token context window at low cost, great balance of speed and quality, strong coding for a mini model, affordable for high-volume use. It excels at chatbots, long-context, cost-sensitive tasks.

Strengths:

  • Affordable
  • Fast
  • Large context

Best for:

cost-effectivegeneral-purpose

Frequently Asked Questions

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