GPT-4o vs Gemini 1.5 Pro

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 1.5 Pro

Google

Previous generation Google pro model. Good for general tasks.

Input$1.25/M
Output$5.00/M
Context1M tokens
Best ForGeneral-purpose tasks, document analysis

Cost Comparison by Scenario

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

ScenarioGPT-4oGemini 1.5 ProSavings
Small Script (1K lines) $0.41 $0.19 Gemini 1.5 Pro saves $0.21 (52%)
Medium Feature (10K lines) $3.06 $1.44 Gemini 1.5 Pro saves $1.63 (53%)
Large Project (50K lines) $15.31 $7.19 Gemini 1.5 Pro saves $8.13 (53%)
Code Review (5K lines) $0.78 $0.34 Gemini 1.5 Pro saves $0.44 (56%)

Verdict

Gemini 1.5 Pro wins on both price and performance — $1.25/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