OpenAI o1 vs GPT-4.1 Nano
Performance benchmarks + pricing comparison — updated April 2026
OpenAI o1
OpenAIReasoning model optimized for complex problem-solving. Excels at math, science, and advanced coding.
| Input | $15.00/M |
| Output | $60.00/M |
| Context | 200K tokens |
| Best For | Complex math, advanced coding, scientific reasoning |
| Benchmark | 83/100 |
GPT-4.1 Nano
OpenAIOpenAI's smallest and cheapest GPT-4.1 model. Fast responses for simple tasks.
| Input | $0.100/M |
| Output | $0.400/M |
| Context | 1M tokens |
| Best For | Simple 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.
| Scenario | OpenAI o1 | GPT-4.1 Nano | Savings |
|---|---|---|---|
| Small Script (1K lines) | $2.32 | $0.02 | GPT-4.1 Nano saves $2.31 (99%) |
| Medium Feature (10K lines) | $17.25 | $0.12 | GPT-4.1 Nano saves $17.14 (99%) |
| Large Project (50K lines) | $86.25 | $0.58 | GPT-4.1 Nano saves $85.67 (99%) |
| Code Review (5K lines) | $4.13 | $0.03 | GPT-4.1 Nano saves $4.10 (99%) |
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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