OpenAI o3 vs Gemini 2.0 Flash Lite

Performance benchmarks + pricing comparison — updated April 2026

OpenAI o3

OpenAI

Next generation reasoning model. Improved coding and math over o1.

Input$10.00/M
Output$40.00/M
Context200K tokens
Best ForAdvanced coding, complex problem-solving
Benchmark85/100

Gemini 2.0 Flash Lite

Google

Google's most cost-effective Gemini model. Great for high-volume, latency-sensitive applications.

Input$0.075/M
Output$0.300/M
Context1M tokens
Best ForHigh-volume tasks, real-time applications, cost-sensitive projects

Cost Comparison by Scenario

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

ScenarioOpenAI o3Gemini 2.0 Flash LiteSavings
Small Script (1K lines) $1.55 $0.01 Gemini 2.0 Flash Lite saves $1.54 (99%)
Medium Feature (10K lines) $11.50 $0.09 Gemini 2.0 Flash Lite saves $11.41 (99%)
Large Project (50K lines) $57.50 $0.43 Gemini 2.0 Flash Lite saves $57.07 (99%)
Code Review (5K lines) $2.75 $0.02 Gemini 2.0 Flash Lite saves $2.73 (99%)

Verdict

Gemini 2.0 Flash Lite wins on both price and performance — $0.075/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