Side-by-side comparison
Nova Pro 1.0 vs Grok 4.3
| Nova Pro 1.0 | Grok 4.3 | |
|---|---|---|
| Provider | Amazon | xAI |
| Context window Maximum tokens (input + output) the model can process in a single request. Glossary → | 300,000 | 1,000,000 |
| Capabilities Optional capabilities the model advertises: vision (images), tools (function calling), json_mode (structured output). | vision, tools | vision, tools, json_mode |
| Input $ / 1M tokens Cost for tokens you send (prompt + context). Cheaper side highlighted. Glossary → | 0.8000 | 1.2500 |
| Output $ / 1M tokens Cost for tokens the model generates. Output is normally 3–5× pricier than input. Glossary → | 3.2000 | 2.5000 |
Frequently asked questions
Which is cheaper, Nova Pro 1.0 or Grok 4.3?
Grok 4.3 is cheaper than Nova Pro 1.0 on a 50/50 input/output blend by about $0.125 per 1M tokens. Exact savings depend on your input-vs-output ratio — use the cost calculator on this page for a workload-specific estimate.
Which has a larger context window, Nova Pro 1.0 or Grok 4.3?
Grok 4.3 has the larger context window at 1M tokens versus 300k tokens for Nova Pro 1.0. That means Grok 4.3 can ingest about 3.3x as much text per request.
What is the difference between Nova Pro 1.0 and Grok 4.3?
Nova Pro 1.0 comes from Amazon; Grok 4.3 comes from xAI. They differ in pricing, context window, and supported capabilities — see the side-by-side table on this page for the exact figures, refreshed nightly.