GPT-4.1 mini vs GPT-4.1 Nano

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

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-4.1 miniGPT-4.1 NanoSavings
Small Script (1K lines) $0.06 $0.02 GPT-4.1 Nano saves $0.05 (75%)
Medium Feature (10K lines) $0.46 $0.12 GPT-4.1 Nano saves $0.35 (75%)
Large Project (50K lines) $2.30 $0.58 GPT-4.1 Nano saves $1.73 (75%)
Code Review (5K lines) $0.11 $0.03 GPT-4.1 Nano saves $0.08 (75%)

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.

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