API cost decision in 10 seconds
Grok 4.3 vs 🔥Hy3 preview
Pick Hy3 preview for lower cost; pick Grok 4.3 only if the larger context window matters more.
Budget verdict
Pick Hy3 preview for lower cost; pick Grok 4.3 only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Hy3 preview is estimated at $0.2 vs $2.5 for Grok 4.3, saving $2.3 (92.2% lower).
Grok 4.3 has more context, but Hy3 preview saves $2.3 on the standard workload. At 10x that traffic, the same price gap is about $23.04. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Hy3 preview stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Grok 4.3 | Hy3 preview |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Hy3 preview | $7.5 | $0.46 |
| Balanced workload | 1M input + 1M output | Hy3 preview | $3.75 | $0.33 |
| Output-heavy chatbot | 1M input + 5M output | Hy3 preview | $13.75 | $1.37 |
Estimate your workload cost
Your Workload Cost
This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.
Quick Decision
Hy3 preview has the lower input price, Hy3 preview has the lower output price, and Grok 4.3 offers the larger context window.
For a 1M input token plus 500K output token workload, the estimated API cost is $2.5 for Grok 4.3 and $0.2 for Hy3 preview.
Choose Grok 4.3 when you care most about larger context window.
Choose Hy3 preview when you care most about lower input-token price, and lower output-token price.
| Feature | Grok 4.3 (xAI) | 🔥Hy3 preview (Tencent) |
|---|---|---|
| Input Price prompt tokens per 1M | $1.25 | $0.07 |
| Completion Price per 1M tokens | $2.5 | $0.26 |
| Sample Workload Cost 1M input + 500K output | $2.5 | $0.2 |
| Context Window | 1M | 262.14K |
| Release Date | 2026-04-30 | 2026-04-22 |
| Popularity | #2 |
Grok 4.3 is a reasoning model from xAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual...
Hy3 preview is a high-efficiency Mixture-of-Experts model from Tencent designed for agentic workflows and production use. It supports configurable reasoning levels across disabled, low, and high modes, allowing it to...
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Hy3 preview | On the standard 1M input plus 500K output workload, Hy3 preview is estimated at $0.2 vs $2.5 for Grok 4.3, saving $2.3 (92.2% lower). |
| High-volume input processing | Hy3 preview | Lower prompt-token price matters most when prompts or retrieved passages dominate the bill. |
| Long responses and chatbots | Hy3 preview | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Grok 4.3 | A larger context window leaves more room for retrieved passages and source files. |