token.app › Compare › Grok 4.3 vs Kimi K3
Grok 4.3 vs Kimi K3
Grok 4.3 is 3.8× cheaper per token on a blended 3:1 basis. Kimi K3 accepts the larger context window (1.0M).
Head to head
Blended price uses a 3:1 input:output mix
| Grok 4.3 | Kimi K3 | |
|---|---|---|
| Provider | xAI | Moonshot AI |
| Input $/1M | $1.25 | $3.00 |
| Output $/1M | $2.50 | $15.00 |
| Blended $/1M | $1.56 | $6.00 |
| Context window | 1M | 1.0M |
| Max output | — | — |
| Released | Apr 2026 | Jul 2026 |
| Licence | Proprietary | Open weights |
Choose Grok 4.3 if…
- Costs less per token — $1.56 vs $6.00 blended
Choose Kimi K3 if…
- Larger context window (1.0M)
- Open weights — self-hostable
- Newer model (released Jul 2026)
FAQ
Which is better, Grok 4.3 or Kimi K3?
We do not hold independently-run benchmark scores covering both Grok 4.3 and Kimi K3, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Grok 4.3 cheaper than Kimi K3?
Grok 4.3 is cheaper: $1.56 versus $6.00 per million tokens blended at 3:1 input:output. Input alone: $1.25 vs $3.00. Output alone: $2.50 vs $15.00.
What context windows do Grok 4.3 and Kimi K3 have?
Grok 4.3: 1,000,000 tokens. Kimi K3: 1,048,576 tokens.
Who makes Grok 4.3 and Kimi K3?
Grok 4.3 is made by xAI. Kimi K3 is made by Moonshot AI.