Gemini 2.5 Flash vs GPT-4.1

Performance benchmarks + pricing comparison — updated April 2026

Gemini 2.5 Flash

Google

Fast and affordable Google model. Great for high-volume coding and processing.

Input$0.150/M
Output$0.600/M
Context1M tokens
Best ForHigh-volume coding, data processing, fast responses

GPT-4.1

OpenAI

Updated GPT-4 generation with improved instruction following and reduced hallucination. Better coding accuracy than GPT-4o.

Input$2.00/M
Output$8.00/M
Context128K tokens
Best ForProduction coding, API development, complex instructions
Benchmark80/100

Cost Comparison by Scenario

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

ScenarioGemini 2.5 FlashGPT-4.1Savings
Small Script (1K lines) $0.02 $0.31 Gemini 2.5 Flash saves $0.29 (93%)
Medium Feature (10K lines) $0.17 $2.30 Gemini 2.5 Flash saves $2.13 (93%)
Large Project (50K lines) $0.86 $11.50 Gemini 2.5 Flash saves $10.64 (93%)
Code Review (5K lines) $0.04 $0.55 Gemini 2.5 Flash saves $0.51 (93%)

Verdict

Gemini 2.5 Flash wins on both price and performance — $0.150/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