GPT-4o vs GPT-4.1 Nano

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

GPT-4.1 Nano

OpenAI

OpenAI's smallest and cheapest GPT-4.1 model. Fast responses for simple tasks.

Input$0.100/M
Output$0.400/M
Context1M tokens
Best ForSimple queries, classification, fast responses

Cost Comparison by Scenario

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

ScenarioGPT-4oGPT-4.1 NanoSavings
Small Script (1K lines) $0.41 $0.02 GPT-4.1 Nano saves $0.39 (96%)
Medium Feature (10K lines) $3.06 $0.12 GPT-4.1 Nano saves $2.95 (96%)
Large Project (50K lines) $15.31 $0.58 GPT-4.1 Nano saves $14.74 (96%)
Code Review (5K lines) $0.78 $0.03 GPT-4.1 Nano saves $0.75 (96%)

Verdict

GPT-4.1 Nano wins on both price and performance — $0.100/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