Amazon Nova Pro 1.0 is a capable multimodal model from Amazon focused on providing a combination of accuracy, speed, and cost for a wide range of tasks. As of December 2024, it achieves state-of-the-art performance on key benchmarks includi…
Model details →Amazon: Nova Pro 1.0 vs OpenAI: GPT-5.3-Codex
Amazon: Nova Pro 1.0 and OpenAI: GPT-5.3-Codex are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2. It achieves state-of-the-a…
Model details →Side-by-side comparison
| Capability | Amazon: Nova Pro 1.0 | OpenAI: GPT-5.3-Codex | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 300K | 400K | 🏆 OpenAI: GPT-5.3-Codex |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.80 | $1.75 | 🏆 Amazon: Nova Pro 1.0 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $3.20 | $14.00 | 🏆 Amazon: Nova Pro 1.0 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | Yes | 🏆 OpenAI: GPT-5.3-Codex |
Frequently asked questions
Is Amazon: Nova Pro 1.0 better than OpenAI: GPT-5.3-Codex?
Amazon: Nova Pro 1.0 and OpenAI: GPT-5.3-Codex are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between Amazon: Nova Pro 1.0 and OpenAI: GPT-5.3-Codex?
Input: $0.80 vs $1.75 per 1M tokens. Output: $3.20 vs $14.00 per 1M tokens.
What context windows do Amazon: Nova Pro 1.0 and OpenAI: GPT-5.3-Codex support?
Amazon: Nova Pro 1.0 supports up to 300K tokens. OpenAI: GPT-5.3-Codex supports up to 400K tokens.
Do both Amazon: Nova Pro 1.0 and OpenAI: GPT-5.3-Codex support tool calling?
Amazon: Nova Pro 1.0: yes. OpenAI: GPT-5.3-Codex: yes.