GPT-4o vs Gemini 2.5 Flash Lite

Performance benchmarks + pricing comparison — updated April 2026

GPT-4o

OpenAI

OpenAI's flagship multimodal model. Strong coding and reasoning at competitive pricing.

Input$2.50/M
Output$10.00/M
Context128K tokens
Best ForGeneral coding, multimodal tasks, chatbots
Benchmark75/100

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-4oGemini 2.5 Flash LiteSavings
Small Script (1K lines) $0.41 <$0.01 Gemini 2.5 Flash Lite saves $0.40 (99%)
Medium Feature (10K lines) $3.06 $0.04 Gemini 2.5 Flash Lite saves $3.02 (99%)
Large Project (50K lines) $15.31 $0.22 Gemini 2.5 Flash Lite saves $15.10 (99%)
Code Review (5K lines) $0.78 $0.01 Gemini 2.5 Flash Lite saves $0.77 (99%)

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