Nova 2 Lite vs Grok 4.1 Fast
Amazon against xAI, costed on the same three workloads. Nova 2 Lite is cheaper on all three workloads.
Monthly bill, side by side
| Workload | Nova 2 Lite | Grok 4.1 Fast | Difference |
|---|---|---|---|
| Support chatbot 2,500 six-turn conversations a day |
$1,613 | $3,516 | $1,902 (2.2×) |
| Document summariser 1,000 single-shot summaries a day |
$170 | $518 | $348 (3×) |
| Coding agent 200 twelve-turn sessions a day |
$1,022 | $2,835 | $1,813 (2.8×) |
No prompt caching and no batch discount on either side, so the comparison is like for like. Both figures assume 30 days a month.
The rate cards
| Nova 2 Lite | Grok 4.1 Fast | |
|---|---|---|
| Input, per 1M tokens | $0.3 | $1.25 |
| Output, per 1M tokens | $2.5 | $2.5 |
| Cached input | $0.075 | $0.2 |
| Context window | 1M | 2M |
| Maximum output | 64K | 2M |
| Reasoning model | yes | yes |
| Vision | yes | yes |
Run this comparison on your own numbers
Full detail: Nova 2 Lite pricing · Grok 4.1 Fast pricing