Ling 3.0 Flash Fin (free) is free for input tokens while Fugu Ultra v2 costs $5 per 1M tokens.
API cost decision in 10 seconds
NewFugu Ultra v2 vs Ling 3.0 Flash Fin (free)
Pick Ling 3.0 Flash Fin (free) for lower cost; pick Fugu Ultra v2 only if the larger context window matters more.
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Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Ling 3.0 Flash Fin (free) for lower cost; pick Fugu Ultra v2 only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Ling 3.0 Flash Fin (free) is estimated at $0 vs $20 for Fugu Ultra v2, saving $20 (100% lower).
Cost-first pickLing 3.0 Flash Fin (free)
Context-first pickFugu Ultra v2
Sample savings$20100%
10x traffic gap$200
Fugu Ultra v2 has more context, but Ling 3.0 Flash Fin (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 Fin (free) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Fugu Ultra v2 | Ling 3.0 Flash Fin (free) |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Ling 3.0 Flash Fin (free) | $40 | $0 |
| Balanced workload | 1M input + 1M output | Ling 3.0 Flash Fin (free) | $35 | $0 |
| Output-heavy chatbot | 1M input + 5M output | Ling 3.0 Flash Fin (free) | $155 | $0 |
Ling 3.0 Flash Fin (free) is free for output tokens while Fugu Ultra v2 costs $30 per 1M tokens.
Fugu Ultra v2 has 737.86K more context (3.81x larger).
Ling 3.0 Flash Fin (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 Fin (free) has the lower input price; Ling 3.0 Flash Fin (free) has the lower output price; Fugu Ultra v2 offers the larger context window. For the 1M input plus 500K output sample, Ling 3.0 Flash Fin (free) is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $20 for Fugu Ultra v2 and $0 for Ling 3.0 Flash Fin (free).
Choose Fugu Ultra v2 when you care most about larger context window.
Choose Ling 3.0 Flash Fin (free) when you care most about lower input-token price, and lower output-token price.
- On the standard 1M input plus 500K output workload, Ling 3.0 Flash Fin (free) is estimated at $0 vs $20 for Fugu Ultra v2, saving $20 (100% lower).
- Ling 3.0 Flash Fin (free) is free for the standard workload while the other model is estimated at $20.
- Ling 3.0 Flash Fin (free) is free for input tokens while Fugu Ultra v2 costs $5 per 1M tokens.
- Ling 3.0 Flash Fin (free) is free for output tokens while Fugu Ultra v2 costs $30 per 1M tokens.
- Fugu Ultra v2 has 737.86K more context (3.81x larger).
| Feature | NewFugu Ultra v2 (Sakana) | Ling 3.0 Flash Fin (free) (inclusionAI) |
|---|---|---|
| Input Price prompt tokens per 1M | $5 | $0 |
| Completion Price per 1M tokens | $30 | $0 |
| Sample Workload Cost 1M input + 500K output | $20 | $0 |
| Context Window | 1M | 262.14K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Ling 3.0 Flash Fin (free) | On the standard 1M input plus 500K output workload, Ling 3.0 Flash Fin (free) is estimated at $0 vs $20 for Fugu Ultra v2, saving $20 (100% lower). |
| High-volume input processing | Ling 3.0 Flash Fin (free) | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Ling 3.0 Flash Fin (free) | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Fugu Ultra v2 | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Sakana Namazu can replace Fugu Ultra v2 when lower sample workload cost matters most: $2.95.
- Fugu Max can replace Fugu Ultra v2 when lower sample workload cost matters most: $5.
- 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 $0.4 sample workload cost.
- DeepSeek V4 Flash 0731 offers 1.31M context with $0.08 sample workload cost.
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- GPT-5.6 Luna · OpenAI · #2
- GLM 5.3 Flash · Z.ai · #3
- DeepSeek V4 Flash 0731 · DeepSeek · #4
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