GPT-4 Turbo vs Gemini 2.5 Flash Lite

Performance benchmarks + pricing comparison — updated April 2026

GPT-4 Turbo

OpenAI

Previous generation high-performance model. Good for complex reasoning tasks.

Input$10.00/M
Output$30.00/M
Context128K tokens
Best ForComplex reasoning, data extraction, analysis
Benchmark70/100

Gemini 2.5 Flash Lite

Google

The most affordable Gemini model. Ultra-low cost for high-volume, simple coding and text tasks.

Input$0.037/M
Output$0.150/M
Context1M tokens
Best ForHigh-volume tasks, batch processing, cost-optimized pipelines

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioGPT-4 TurboGemini 2.5 Flash LiteSavings
Small Script (1K lines) $1.25 <$0.01 Gemini 2.5 Flash Lite saves $1.24 (100%)
Medium Feature (10K lines) $9.50 $0.04 Gemini 2.5 Flash Lite saves $9.46 (100%)
Large Project (50K lines) $47.50 $0.22 Gemini 2.5 Flash Lite saves $47.28 (100%)
Code Review (5K lines) $2.50 $0.01 Gemini 2.5 Flash Lite saves $2.49 (100%)

Verdict

Gemini 2.5 Flash Lite wins on both price and performance — $0.037/M input with a benchmark score of N/A/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models