Grok 4.3 vs Nova Premier
Side-by-side API pricing comparison · xAI vs Amazon
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Grok 4.3 is 300% cheaper on blended cost ($1.88 vs $7.50/Mtok)
Grok 4.3
by xAI
Current flagshipInput
$1.25/Mtok
Output
$2.50/Mtok
✓ Cheaper
| Blended avg | $1.88/Mtok |
|---|---|
| Context | 1M tokens |
| Modality | text, image |
| Parameters | Proprietary |
| Released | Apr 1, 2026 |
Nova Premier
by Amazon
Current flagshipInput
$2.50/Mtok
Output
$12.50/Mtok
| Blended avg | $7.50/Mtok |
|---|---|
| Context | 1M tokens |
| Modality | text, image, video |
| Parameters | Proprietary |
| Released | Dec 3, 2024 |
Cost at scale — 1M tokens (50/50 input/output)
| Volume | Grok 4.3 | Nova Premier | Savings |
|---|---|---|---|
| 1M tokens | $1.88 | $7.5 | $5.63 (75.1%) |
| 10M tokens | $18.75 | $75 | $56.25 (75%) |
| 100M tokens | $187.5 | $750 | $562.5 (75%) |
| 1000M tokens | $1875 | $7500 | $5625 (75%) |
Summary
Grok 4.3 by xAI costs $1.25/Mtok input and $2.50/Mtok output, with a 1M-token context window. It supports text, image input.
Nova Premier by Amazon costs $2.50/Mtok input and $12.50/Mtok output, with a 1M-token context window. It supports text, image, video input.
On a blended cost basis, Grok 4.3 is 300% cheaper than Nova Premier.
Note: Pricing is per million tokens. Actual costs vary with usage patterns, prompt caching, and batch discounts. Always verify against official provider pricing pages.