Solar Pro 4 is $0.1 cheaper per 1M input tokens (77.3% lower; 4.4x difference).
API cost decision in 10 seconds
🔥Hy3 vs Solar Pro 4
Pick Solar Pro 4 when budget and context both matter.
Page updated:
Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Solar Pro 4 when budget and context both matter.
On the standard 1M input plus 500K output workload, Solar Pro 4 is estimated at $0.09 vs $0.4 for Hy3, saving $0.31 (77.3% lower).
Cost-first pickSolar Pro 4
Context-first pickSolar Pro 4
Sample savings$0.3177.3%
10x traffic gap$3.06
Solar Pro 4 is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $3.06. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Solar Pro 4 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Hy3 | Solar Pro 4 |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Solar Pro 4 | $0.92 | $0.21 |
| Balanced workload | 1M input + 1M output | Solar Pro 4 | $0.66 | $0.15 |
| Output-heavy chatbot | 1M input + 5M output | Solar Pro 4 | $2.77 | $0.63 |
Solar Pro 4 is $0.41 cheaper per 1M output tokens (77.3% lower; 4.4x difference).
Solar Pro 4 has 262.14K more context (2x larger).
Solar Pro 4 is $0.31 cheaper on the standard workload (77.3% 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
Solar Pro 4 has the lower input price; Solar Pro 4 has the lower output price; Solar Pro 4 offers the larger context window. For the 1M input plus 500K output sample, Solar Pro 4 is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $0.4 for Hy3 and $0.09 for Solar Pro 4.
Choose Hy3 when its provider, model quality, latency, or availability is more important than the numeric price/context winner.
Choose Solar Pro 4 when you care most about lower input-token price, lower output-token price, and larger context window.
- On the standard 1M input plus 500K output workload, Solar Pro 4 is estimated at $0.09 vs $0.4 for Hy3, saving $0.31 (77.3% lower).
- Solar Pro 4 is $0.31 cheaper on the standard workload (77.3% lower).
- Solar Pro 4 is $0.1 cheaper per 1M input tokens (77.3% lower; 4.4x difference).
- Solar Pro 4 is $0.41 cheaper per 1M output tokens (77.3% lower; 4.4x difference).
- Solar Pro 4 has 262.14K more context (2x larger).
| Feature | 🔥Hy3 (Tencent) | Solar Pro 4 (Upstage) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.132 | $0.03 |
| Completion Price per 1M tokens | $0.528 | $0.12 |
| Sample Workload Cost 1M input + 500K output | $0.4 | $0.09 |
| Context Window | 262.14K | 524.29K |
| Release Date | ||
| Popularity | #3 |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Solar Pro 4 | On the standard 1M input plus 500K output workload, Solar Pro 4 is estimated at $0.09 vs $0.4 for Hy3, saving $0.31 (77.3% lower). |
| High-volume input processing | Solar Pro 4 | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Solar Pro 4 | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Solar Pro 4 | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Hy3 (free) can replace Hy3 when lower sample workload cost matters most: $0.
- Hy-MT2-1.8B can replace Hy3 when lower sample workload cost matters most: $0.13.
- Hy-MT2-30B-A3B can replace Hy3 when lower sample workload cost matters most: $0.22.
- Hy-MT2-7B can replace Hy3 when lower sample workload cost matters most: $0.22.
- DeepSeek V4 Flash 0731 offers 1.31M context with $0.17 sample workload cost.
- DeepSeek V4 Flash Latest offers 1.31M context with $0.11 sample workload cost.
- Llama 4 Scout offers 1.31M context with $0.25 sample workload cost.
- MiMo-V2.5 offers 1.05M context with $0.28 sample workload cost.
- DeepSeek V4 Flash 0731 · DeepSeek · #1
- MiMo-V2.5 · Xiaomi · #2
- Ox Alpha · stealth · #4
- DeepSeek V4 Flash 0423 · DeepSeek · #5
Cheaper alternatives
Review low-cost models sorted 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 modelsUpstage catalog
Check other Upstage models with comparable pricing, context, or release timing.
Open Upstage modelsHy3 is a 295B-parameter Mixture-of-Experts model from Tencent (21B active, 192 experts with top-8 routing) built for reasoning, agentic workflows, and real-world production use. It supports a configurable reasoning effort:...
Solar Pro 4 is Upstage's cost-efficient large language model, featuring a 524K context window. It is built for long-horizon tasks and agentic workflows, with strong capabilities in office productivity, document-intensive...