Grok 4.7 vs Kimi K3
grok-4.7kimi-k3Grok 4.7 costs $0.198958 per 1M input tokens and $0.596874 per 1M output tokens, with a 500K-token context window; Kimi K3 costs $2.093511 per 1M input tokens and $10.467555 per 1M output tokens, with a 1M-token context window.
Side by side
Prices in US dollars; limits and capabilities as published by each model’s provider.
| Spec | Grok 4.7 | Kimi K3 |
|---|---|---|
| Input/ 1M tokens | $0.198958 | $2.093511 |
| Output/ 1M tokens | $0.596874 | $10.467555 |
| Cache read/ 1M tokens | $0.04974 | $0.209351 |
| Cache write/ 1M tokens | — | $2.093511 |
| Discount | 90% off | 30% off |
| Contexttokens | 500K | 1M |
| Max outputtokens | — | 1M |
| Input types | text, image | text, image, video |
| Output types | text | text |
| Released | — | 2026-07-16 |
| Knowledge cutoff | 2026-05 | — |
| Tokens, last 7 daystokens | 14M | — |
| Endpoints | // | // |
Same workload
One workload of 1,000,000 input and 200,000 output tokens, priced at each model’s current rates.
- Grok 4.7
- $0.3183$0.199 input + $0.1194 output
- Kimi K3
- $4.187$2.0935 input + $2.0935 output
For this workload, Grok 4.7 costs $3.8687 less than Kimi K3.
Same code
Only the model field changes.
curl https://api.cheapaimodel.ai/v1/chat/completions \
-H "Authorization: Bearer $CHEAPAIMODEL_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "grok-4.7",
"messages": [{"role": "user", "content": "Hello!"}]
}'When to choose which
Differences in the published specs, then each provider’s own description.
- Kimi K3 has the longer context window (1M vs 500K tokens).
- Grok 4.7 has the lower input price ($0.198958 vs $2.093511 per 1M tokens).
- Grok 4.7 has the lower output price ($0.596874 vs $10.467555 per 1M tokens).
- Kimi K3 accepts video input; Grok 4.7 doesn’t.
About Grok 4.7
xAI's most capable model, for coding, agentic tasks and knowledge work, released in September 2026 as the successor to Grok 4.6. It takes text and image input with a 500K-token context window and offers four reasoning effort levels, from low to xhigh.
About Kimi K3
Moonshot AI's flagship open-weight model, with 2.8 trillion parameters built on Kimi Delta Attention and Attention Residuals. It has native visual understanding and is designed for long-horizon coding, knowledge work and deep reasoning.