Solar Pro 4 is $0.03 cheaper per 1M input tokens (50% lower; 2x difference).
API cost decision in 10 seconds
NewLing 3.0 Flash Fin vs Solar Pro 4
Pick Solar Pro 4 when budget and context both matter.
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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 $0.15 for Ling 3.0 Flash Fin, saving $0.06 (40% lower).
Cost-first pickSolar Pro 4
Context-first pickSolar Pro 4
Sample savings$0.0640%
10x traffic gap$0.6
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 $0.6. 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 | Ling 3.0 Flash Fin | Solar Pro 4 |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Solar Pro 4 | $0.39 | $0.21 |
| Balanced workload | 1M input + 1M output | Solar Pro 4 | $0.24 | $0.15 |
| Output-heavy chatbot | 1M input + 5M output | Solar Pro 4 | $0.96 | $0.63 |
Solar Pro 4 is $0.06 cheaper per 1M output tokens (33.3% lower; 1.5x difference).
Solar Pro 4 has 262.14K more context (2x larger).
Solar Pro 4 is $0.06 cheaper on the standard workload (40% 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 $0.15 for Ling 3.0 Flash Fin and $0.09 for Solar Pro 4.
Choose Ling 3.0 Flash Fin 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 $0.15 for Ling 3.0 Flash Fin, saving $0.06 (40% lower).
- Solar Pro 4 is $0.06 cheaper on the standard workload (40% lower).
- Solar Pro 4 is $0.03 cheaper per 1M input tokens (50% lower; 2x difference).
- Solar Pro 4 is $0.06 cheaper per 1M output tokens (33.3% lower; 1.5x difference).
- Solar Pro 4 has 262.14K more context (2x larger).
| Feature | NewLing 3.0 Flash Fin (inclusionAI) | Solar Pro 4 (Upstage) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.06 | $0.03 |
| Completion Price per 1M tokens | $0.18 | $0.12 |
| Sample Workload Cost 1M input + 500K output | $0.15 | $0.09 |
| Context Window | 262.14K | 524.29K |
| Release Date |
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 $0.15 for Ling 3.0 Flash Fin, saving $0.06 (40% 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
- Ling 3.0 Flash Fin (free) can replace Ling 3.0 Flash Fin when lower sample workload cost matters most: $0.
- Ling 3.0 Tiny (free) can replace Ling 3.0 Flash Fin when lower sample workload cost matters most: $0.
- Ling-3.0-flash (free) can replace Ling 3.0 Flash Fin when lower sample workload cost matters most: $0.
- Ling-2.6-flash can replace Ling 3.0 Flash Fin when lower sample workload cost matters most: $0.03.
- DeepSeek V4 Flash 0731 offers 1.31M context with $0.15 sample workload cost.
- DeepSeek V4 Flash Latest offers 1.31M context with $0.13 sample workload cost.
- Owl Alpha offers 1.05M context with $0 sample workload cost.
- DeepSeek V4 Flash 0423 offers 1.05M context with $0.16 sample workload cost.
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- DeepSeek V4 Flash 0731 · DeepSeek · #3
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