$ diff grok-4-7 hy4-preview
Grok 4.7 vs Hy4 preview
Values come from Grok 4.7 and Hy4 preview, where each is cited to its source. This page states no benchmark result and ranks neither model — it puts two published specifications next to each other. Where a lab has not published a figure, the row says so rather than guessing.
xAIGrok 4.7
- context
- 500K
- weights
- —
- $/M in
- $2
- $/M out
- $6
- context
- 1M
- weights
- open
- $/M in
- $0.834
- $/M out
- $2.501
What actually differs
- Context window
- Hy4 preview takes 1M against 500K — 2× more room in a single request.
- Input price
- Hy4 preview at $0.834/M against $2/M — 2.4× cheaper to feed. Standard rates: one of these labs also quotes a lower cached-input tier, which applies only when a prefix is reused — see the full spec below.
- Output price
- Hy4 preview at $2.501/M against $6/M — 2.4× cheaper to generate. Output dominates the bill on most agentic workloads, where the model writes far more than it reads.
- Recency
- Grok 4.7 shipped 24 days after Hy4 preview (2026-09-21 vs 2026-08-28).
Full spec
| Attribute | Grok 4.7 | Hy4 preview |
|---|---|---|
| Developer | xAI | Tencent |
| Released | 2026-09-21 | 2026-08-28 |
| Context window | 500K | over 1,000,000 |
| Pricing | $2/M input · $0.50/M cached input · $6/M output (prompts ≤200K); $4/M · $1/M · $12/M above 200K | $0.834/M input · $2.501/M output |
| License | not recorded | Apache-2.0 |
| Availability | Grok API, Cursor, Grok Build, OpenRouter, Vercel, Cloudflare | Hugging Face (BF16 + FP8), ModelScope, GitCode, CNB, Tencent Cloud TokenHub, OpenRouter, WorkBuddy, CodeBuddy, Yuanbao, ima |