Ling 3.0 Flash Sante (free) is free for input tokens while Fugu Ultra costs $5 per 1M tokens.
API cost decision in 10 seconds
NewLing 3.0 Flash Sante (free) vs Fugu Ultra
Pick Ling 3.0 Flash Sante (free) for lower cost; pick Fugu Ultra only if the larger context window matters more.
Page updated:
Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Ling 3.0 Flash Sante (free) for lower cost; pick Fugu Ultra only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Ling 3.0 Flash Sante (free) is estimated at $0 vs $20 for Fugu Ultra, saving $20 (100% lower).
Cost-first pickLing 3.0 Flash Sante (free)
Context-first pickFugu Ultra
Sample savings$20100%
10x traffic gap$200
Fugu Ultra has more context, but Ling 3.0 Flash Sante (free) saves $20 on the standard workload. At 10x that traffic, the same price gap is about $200. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Ling 3.0 Flash Sante (free) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Ling 3.0 Flash Sante (free) | Fugu Ultra |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Ling 3.0 Flash Sante (free) | $0 | $40 |
| Balanced workload | 1M input + 1M output | Ling 3.0 Flash Sante (free) | $0 | $35 |
| Output-heavy chatbot | 1M input + 5M output | Ling 3.0 Flash Sante (free) | $0 | $155 |
Ling 3.0 Flash Sante (free) is free for output tokens while Fugu Ultra costs $30 per 1M tokens.
Fugu Ultra has 737.86K more context (3.81x larger).
Ling 3.0 Flash Sante (free) is free for the standard workload while the other model is estimated at $20.
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
Ling 3.0 Flash Sante (free) has the lower input price; Ling 3.0 Flash Sante (free) has the lower output price; Fugu Ultra offers the larger context window. For the 1M input plus 500K output sample, Ling 3.0 Flash Sante (free) is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $0 for Ling 3.0 Flash Sante (free) and $20 for Fugu Ultra.
Choose Ling 3.0 Flash Sante (free) when you care most about lower input-token price, and lower output-token price.
Choose Fugu Ultra when you care most about larger context window.
- On the standard 1M input plus 500K output workload, Ling 3.0 Flash Sante (free) is estimated at $0 vs $20 for Fugu Ultra, saving $20 (100% lower).
- Ling 3.0 Flash Sante (free) is free for the standard workload while the other model is estimated at $20.
- Ling 3.0 Flash Sante (free) is free for input tokens while Fugu Ultra costs $5 per 1M tokens.
- Ling 3.0 Flash Sante (free) is free for output tokens while Fugu Ultra costs $30 per 1M tokens.
- Fugu Ultra has 737.86K more context (3.81x larger).
| Feature | NewLing 3.0 Flash Sante (free) (inclusionAI) | Fugu Ultra (Sakana) |
|---|---|---|
| Input Price prompt tokens per 1M | $0 | $5 |
| Completion Price per 1M tokens | $0 | $30 |
| Sample Workload Cost 1M input + 500K output | $0 | $20 |
| Context Window | 262.14K | 1M |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Ling 3.0 Flash Sante (free) | On the standard 1M input plus 500K output workload, Ling 3.0 Flash Sante (free) is estimated at $0 vs $20 for Fugu Ultra, saving $20 (100% lower). |
| High-volume input processing | Ling 3.0 Flash Sante (free) | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Ling 3.0 Flash Sante (free) | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Fugu Ultra | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Sakana Namazu can replace Fugu Ultra when lower sample workload cost matters most: $2.95.
- Grok 4.20 Multi-Agent offers 2M context with $2.5 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- GLM 5.3 Flash offers 1.31M context with $0.2 sample workload cost.
- DeepSeek V4 Flash 0731 offers 1.31M context with $0.15 sample workload cost.
- GLM 5.3 Flash · Z.ai · #1
- GPT-5.6 Luna · OpenAI · #2
- DeepSeek V4 Flash 0731 · DeepSeek · #3
- Hy4 preview · Tencent · #4
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 hubsinclusionAI catalog
Review all tracked inclusionAI models before deciding whether this matchup is the right shortlist.
Open inclusionAI modelsSakana catalog
Check other Sakana models with comparable pricing, context, or release timing.
Open Sakana modelsLing 3.0 Flash Sante is a health and medicine-focused mixture-of-experts model from InclusionAI, built on Ling 3.0 Flash with 5.1B active parameters out of 124B total. It is designed for...
Fugu Ultra is the higher-performance model in Sakana AI's Fugu family. Rather than a single monolithic model, Fugu is a learned multi-agent orchestration system: a language model trained to route...