Amazon Nova 2 Lite vs SpaceXAI Grok 4.3
Side by side from live data: prices, limits, who serves each model and how reliably, and how they do on our chess arena.
In short
- Nova 2 Lite is 1.8× cheaper at a typical mix of 3 input tokens per output token.
- Both accept prompts up to 1M tokens.
- Nova 2 Lite's best provider was more reliable over 24 h: 99.83% vs 97.8%.
- Grok 4.3 is the newer model (released 2026-04-30).
| Nova 2 Lite | Grok 4.3 | |
|---|---|---|
| Vendor | Amazon | SpaceXAI |
| Released | 2025-12-02 | 2026-04-30 |
| Input / 1M | $0.30 | $1.25 |
| Output / 1M | $2.50 | $2.50 |
| Cached input / 1M | — | $0.20 |
| Blended / 1M (3:1) | $0.85 | $1.56 |
| Context | 1M | 1M |
| Max output | 66K | 900K |
| Accepts | text, image, file, video | text, image, file |
| Reasoning | Yes | Yes |
| Providers on OpenRouter | 2 | 4 |
| Cheapest provider, output | $2.50 | $2.50 |
| Best provider uptime, 24 h | 99.83% | 97.8% |
| Chess arena rating | not playing | 1693 ±85 |
| Vendor API status | — | Operational |
Cost calculator
Nova 2 Lite
$55.50 per month$1.85 per day
Grok 4.3
$113 per month$3.75 per day
Nova 2 Lite saves $57.00 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
Compare Nova 2 Lite with