Key Takeaways
Nova 2 Lite wins:
- Cheaper input tokens
- Cheaper output tokens
- Larger context window
- Faster response time
- Better at math
GPT-5.3 Codex wins:
- Higher intelligence benchmark
- Better at coding
Price Advantage
Nova 2 Lite
Benchmark Advantage
GPT-5.3 Codex
Context Window
Nova 2 Lite
Speed
Nova 2 Lite
Pricing Comparison
Price Comparison
| Metric | Nova 2 Lite | GPT-5.3 Codex | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.30 | $1.75 | Nova 2 Lite |
| Output (per 1M tokens) | $2.50 | $14.00 | Nova 2 Lite |
| Cache Read (per 1M) | N/A | $0.17 | GPT-5.3 Codex |
Using a 3:1 input/output ratio, Nova 2 Lite is 82% cheaper overall.
Nova 2 Lite Providers
No provider data available
GPT-5.3 Codex Providers
No provider data available
Benchmark Comparison
6
Benchmarks Compared
0
Nova 2 Lite Wins
3
GPT-5.3 Codex Wins
Benchmark Scores
| Benchmark | Nova 2 Lite | GPT-5.3 Codex | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 18.0 | 54.0 | |
Coding Index Code generation & understanding | 12.5 | 53.1 | |
Math Index Mathematical reasoning | 33.7 | - | - |
MMLU Pro Academic knowledge | 74.3 | - | - |
GPQA Graduate-level science | 60.3 | 91.5 | |
LiveCodeBench Competitive programming | 34.6 | - | - |
GPT-5.3 Codex significantly outperforms in coding benchmarks.
Cost vs Quality
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Nova 2 Lite
Other models
Context & Performance
Context Window
Nova 2 Lite
1,000,000
tokens
GPT-5.3 Codex
400,000
tokens
Nova 2 Lite has a 60% larger context window.
Speed Performance
| Metric | Nova 2 Lite | GPT-5.3 Codex | Winner |
|---|---|---|---|
| Tokens/second | 208.5 tok/s | 70.2 tok/s | |
| Time to First Token | 0.52s | 88.66s |
Nova 2 Lite responds 197% faster on average.
Capabilities
Feature Comparison
| Feature | Nova 2 Lite | GPT-5.3 Codex |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Nova 2 Lite | GPT-5.3 Codex |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | Amazon | OpenAI |
| Released | Dec 2025 | Feb 2026 |
Nova 2 Lite Modalities
Input
textimagevideofile
Output
text
GPT-5.3 Codex Modalities
Input
textimage
Output
text