GPT-5 (high) vs Gemini 3 Flash Preview (Reasoning)

Comparing 2 AI models · 6 benchmarks · OpenAI, Google

Most Affordable
Google logo
Gemini 3 Flash Preview (Reasoning)
$0.50/1M
Highest Intelligence
Google logo
Gemini 3 Flash Preview (Reasoning)
89.8% GPQA
Best for Coding
Google logo
Gemini 3 Flash Preview (Reasoning)
41.0 Coding Index
Price Difference
2.5x
input cost range

Composite Indices

Intelligence, Coding, Math

Standard Benchmarks

Academic and industry benchmarks

Benchmark Winners

6 tests
OpenAI logo

GPT-5 (high)

1
  • MATH 500
Google logo

Gemini 3 Flash Preview (Reasoning)

5
  • GPQA
  • MMLU Pro
  • HLE
  • LiveCodeBench
  • AIME 2025
Metric
OpenAI logo GPT-5 (high)
OpenAI
Google logo Gemini 3 Flash Preview (Reasoning)
Google
Pricing
Per 1M tokens
Input Cost $1.25/1M $0.50/1M
Output Cost $10.00/1M $3.00/1M
Blended Cost 3:1 input/output ratio
$3.44/1M $1.13/1M