Amazon Nova Pro vs OpenAI o3
Benchmarks, API pricing and specs, head to head. Data updated 2026-06-10.
Amazon Nova Pro
Amazon · Dec 2024
AWS's house multimodal model — chosen for Bedrock-native integration and AWS billing more than for benchmark wins.
OpenAI o3
68.9OpenAI · Apr 2025
OpenAI's dedicated 2025 reasoning model that pioneered thinking-with-images and agentic tool use within chain-of-thought.
The verdict
OpenAI o3 wins 1 of the 1 benchmarks these models share, against 0 for Amazon Nova Pro. Amazon Nova Pro is about 2.5x cheaper per blended million tokens (3:1 input:output mix). Amazon Nova Pro also takes 300K of context versus 200K for OpenAI o3.
Benchmark head-to-head 0–1
Specs & pricing
| Amazon Nova Pro | OpenAI o3 | |
|---|---|---|
| modhub Index | — | 68.9 |
| Input price / 1M | $0.8 | $2 |
| Output price / 1M | $3.2 | $8 |
| Context window | 300K | 200K |
| Max output | 10K | 100K |
| Open weights | no | no |
| Reasoning model | no | yes |
| Multimodal input | text, image, video | text, image |
| Knowledge cutoff | Oct 2024 | May 2024 |
| Released | Dec 2024 | Apr 2025 |
| Example monthly cost* | $12.80 | $32.00 |
* 10M input + 1.5M output tokens per month at list prices, no caching. Green = better value on that row.
Frequently asked questions
- Which is better, Amazon Nova Pro or OpenAI o3?
- OpenAI o3 wins 1 of the 1 benchmarks these models share, against 0 for Amazon Nova Pro. Amazon Nova Pro is about 2.5x cheaper per blended million tokens (3:1 input:output mix). Amazon Nova Pro also takes 300K of context versus 200K for OpenAI o3.
- Which is cheaper, Amazon Nova Pro or OpenAI o3?
- Amazon Nova Pro costs $0.8/$3.2 per million input/output tokens, while OpenAI o3 costs $2/$8. For a typical workload of 10M input and 1.5M output tokens per month, that's $12.80 versus $32.00.
- Which model is better for coding, Amazon Nova Pro or OpenAI o3?
- We don't yet track SWE-bench Verified results for both models; check their individual pages for coding-related scores.