Hy3 preview is $0.06 cheaper per 1M input tokens (47.6% lower; 1.91x difference).
API cost decision in 10 seconds
🔥Hy3 preview vs 🔥DeepSeek V4 Flash
Pick Hy3 preview for lower cost; pick DeepSeek V4 Flash only if the larger context window matters more.
Pricing data updated:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Hy3 preview for lower cost; pick DeepSeek V4 Flash 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 $0.25 for DeepSeek V4 Flash, saving $0.06 (22.2% lower).
Cost-first pickHy3 preview
Context-first pickDeepSeek V4 Flash
Sample savings$0.0622.2%
10x traffic gap$0.56
DeepSeek V4 Flash has more context, but Hy3 preview saves $0.06 on the standard workload. At 10x that traffic, the same price gap is about $0.56. Use the calculator below to replace the sample workload with your own token volume.
DeepSeek V4 Flash is $0.008 cheaper per 1M output tokens (3.1% lower; 1.03x difference).
DeepSeek V4 Flash has 786.43K more context (4x larger).
Hy3 preview is $0.06 cheaper on the standard workload (22.2% lower).
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; DeepSeek V4 Flash has the lower output price; DeepSeek V4 Flash offers the larger context window. For the 1M input plus 500K output sample, Hy3 preview is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $0.2 for Hy3 preview and $0.25 for DeepSeek V4 Flash.
Choose Hy3 preview when you care most about lower input-token price.
Choose DeepSeek V4 Flash when you care most about lower output-token price, and larger context window.
- On the standard 1M input plus 500K output workload, Hy3 preview is estimated at $0.2 vs $0.25 for DeepSeek V4 Flash, saving $0.06 (22.2% lower).
- Hy3 preview is $0.06 cheaper on the standard workload (22.2% lower).
- Hy3 preview is $0.06 cheaper per 1M input tokens (47.6% lower; 1.91x difference).
- DeepSeek V4 Flash is $0.008 cheaper per 1M output tokens (3.1% lower; 1.03x difference).
- DeepSeek V4 Flash has 786.43K more context (4x larger).
| Feature | 🔥Hy3 preview (Tencent) | 🔥DeepSeek V4 Flash (DeepSeek) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.066 | $0.126 |
| Completion Price per 1M tokens | $0.26 | $0.252 |
| Sample Workload Cost 1M input + 500K output | $0.2 | $0.25 |
| Context Window | 262.14K | 1.05M |
| Release Date | 2026-04-22 | 2026-04-24 |
| Popularity Rank current rank | #1 | #4 |
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 $0.25 for DeepSeek V4 Flash, saving $0.06 (22.2% lower). |
| High-volume input processing | Hy3 preview | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | DeepSeek V4 Flash | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | DeepSeek V4 Flash | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
Cheaper alternatives
Review low-cost models ranked by a standard 1M input plus 500K output workload.
Open cheapest modelsLarger context alternatives
Find models with larger context windows for RAG, long documents, and codebase review.
Open largest context modelsProvider catalogs
Compare models within provider hubs before choosing a final API vendor.
Open provider hubsTencent catalog
Review all tracked Tencent models before deciding whether this matchup is the right shortlist.
Open Tencent modelsDeepSeek catalog
Check other DeepSeek models with comparable pricing, context, or release timing.
Open DeepSeek modelsHy3 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...
DeepSeek V4 Flash is an efficiency-optimized Mixture-of-Experts model from DeepSeek with 284B total parameters and 13B activated parameters, supporting a 1M-token context window. It is designed for fast inference and...