Amazon Nova Micro vs O3 Mini
Performance benchmarks + pricing comparison — updated April 2026
Amazon Nova Micro
AmazonAmazon's most cost-effective model. Optimized for speed and low-cost text generation tasks.
| Input | $0.035/M |
| Output | $0.140/M |
| Context | 128K tokens |
| Best For | High-volume text processing, summarization |
O3 Mini
OpenAIOpenAI's reasoning model at lower cost. Strong at math, coding, and science tasks.
| Input | $1.10/M |
| Output | $4.40/M |
| Context | 200K tokens |
| Best For | Math, science, coding tasks requiring deep reasoning |
| Benchmark | 80/100 |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | Amazon Nova Micro | O3 Mini | Savings |
|---|---|---|---|
| Small Script (1K lines) | <$0.01 | $0.17 | Amazon Nova Micro saves $0.17 (97%) |
| Medium Feature (10K lines) | $0.04 | $1.27 | Amazon Nova Micro saves $1.22 (97%) |
| Large Project (50K lines) | $0.20 | $6.33 | Amazon Nova Micro saves $6.12 (97%) |
| Code Review (5K lines) | <$0.01 | $0.30 | Amazon Nova Micro saves $0.29 (97%) |
Verdict
Amazon Nova Micro wins on both price and performance — $0.035/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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