GPT-4.1 mini vs Gemini 2.5 Flash

Performance benchmarks + pricing comparison — updated April 2026

GPT-4.1 mini

OpenAI

Cost-optimized GPT-4.1 variant. Strong coding capability at budget pricing, replacing GPT-4o mini for many use cases.

Input$0.400/M
Output$1.60/M
Context128K tokens
Best ForHigh-volume coding, cost-sensitive projects, automation
Benchmark68/100

Gemini 2.5 Flash

Google

Google's latest Flash model with improved reasoning. Excellent price-performance for multimodal tasks.

Input$0.150/M
Output$0.600/M
Context1M tokens
Best ForMultimodal tasks, video analysis, image understanding

Cost Comparison by Scenario

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

ScenarioGPT-4.1 miniGemini 2.5 FlashSavings
Small Script (1K lines) $0.06 $0.02 Gemini 2.5 Flash saves $0.04 (63%)
Medium Feature (10K lines) $0.46 $0.17 Gemini 2.5 Flash saves $0.29 (63%)
Large Project (50K lines) $2.30 $0.86 Gemini 2.5 Flash saves $1.44 (63%)
Code Review (5K lines) $0.11 $0.04 Gemini 2.5 Flash saves $0.07 (63%)

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