API cost decision in 10 seconds
🔥GPT-5.5 vs 🔥Hy3 preview
Pick Hy3 preview for lower cost; pick GPT-5.5 only if the larger context window matters more.
Budget verdict
Pick Hy3 preview for lower cost; pick GPT-5.5 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 $20 for GPT-5.5, saving $19.8 (99% lower).
GPT-5.5 has more context, but Hy3 preview saves $19.8 on the standard workload. At 10x that traffic, the same price gap is about $198.04. 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 | GPT-5.5 | Hy3 preview |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Hy3 preview | $40 | $0.46 |
| Balanced workload | 1M input + 1M output | Hy3 preview | $35 | $0.33 |
| Output-heavy chatbot | 1M input + 5M output | Hy3 preview | $155 | $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 GPT-5.5 offers the larger context window.
For a 1M input token plus 500K output token workload, the estimated API cost is $20 for GPT-5.5 and $0.2 for Hy3 preview.
Choose GPT-5.5 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 | 🔥GPT-5.5 (OpenAI) | 🔥Hy3 preview (Tencent) |
|---|---|---|
| Input Price prompt tokens per 1M | $5 | $0.07 |
| Completion Price per 1M tokens | $30 | $0.26 |
| Sample Workload Cost 1M input + 500K output | $20 | $0.2 |
| Context Window | 1.05M | 262.14K |
| Release Date | 2026-04-24 | 2026-04-22 |
| Popularity | #17 | #2 |
GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...
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 $20 for GPT-5.5, saving $19.8 (99% 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 | GPT-5.5 | A larger context window leaves more room for retrieved passages and source files. |