Anthropic Claude Haiku Latest is $4 cheaper per 1M input tokens (80% lower; 5x difference).
API cost decision in 10 seconds
Fugu Ultra vs Anthropic Claude Haiku Latest
Pick Anthropic Claude Haiku Latest for lower cost; pick Fugu Ultra 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 Anthropic Claude Haiku Latest for lower cost; pick Fugu Ultra only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Anthropic Claude Haiku Latest is estimated at $3.5 vs $20 for Fugu Ultra, saving $16.5 (82.5% lower).
Cost-first pickAnthropic Claude Haiku Latest
Context-first pickFugu Ultra
Sample savings$16.582.5%
10x traffic gap$165
Fugu Ultra has more context, but Anthropic Claude Haiku Latest saves $16.5 on the standard workload. At 10x that traffic, the same price gap is about $165. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Anthropic Claude Haiku Latest stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Fugu Ultra | Anthropic Claude Haiku Latest |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Anthropic Claude Haiku Latest | $40 | $7.5 |
| Balanced workload | 1M input + 1M output | Anthropic Claude Haiku Latest | $35 | $6 |
| Output-heavy chatbot | 1M input + 5M output | Anthropic Claude Haiku Latest | $155 | $26 |
Anthropic Claude Haiku Latest is $25 cheaper per 1M output tokens (83.3% lower; 6x difference).
Fugu Ultra has 800K more context (5x larger).
Anthropic Claude Haiku Latest is $16.5 cheaper on the standard workload (82.5% 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
Anthropic Claude Haiku Latest has the lower input price; Anthropic Claude Haiku Latest has the lower output price; Fugu Ultra offers the larger context window. For the 1M input plus 500K output sample, Anthropic Claude Haiku Latest 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 and $3.5 for Anthropic Claude Haiku Latest.
Choose Fugu Ultra when you care most about larger context window.
Choose Anthropic Claude Haiku Latest when you care most about lower input-token price, and lower output-token price.
- On the standard 1M input plus 500K output workload, Anthropic Claude Haiku Latest is estimated at $3.5 vs $20 for Fugu Ultra, saving $16.5 (82.5% lower).
- Anthropic Claude Haiku Latest is $16.5 cheaper on the standard workload (82.5% lower).
- Anthropic Claude Haiku Latest is $4 cheaper per 1M input tokens (80% lower; 5x difference).
- Anthropic Claude Haiku Latest is $25 cheaper per 1M output tokens (83.3% lower; 6x difference).
- Fugu Ultra has 800K more context (5x larger).
| Feature | Fugu Ultra (Sakana) | Anthropic Claude Haiku Latest (Anthropic) |
|---|---|---|
| Input Price prompt tokens per 1M | $5 | $1 |
| Completion Price per 1M tokens | $30 | $5 |
| Sample Workload Cost 1M input + 500K output | $20 | $3.5 |
| Context Window | 1M | 200K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Anthropic Claude Haiku Latest | On the standard 1M input plus 500K output workload, Anthropic Claude Haiku Latest is estimated at $3.5 vs $20 for Fugu Ultra, saving $16.5 (82.5% lower). |
| High-volume input processing | Anthropic Claude Haiku Latest | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Anthropic Claude Haiku Latest | 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.
- Claude 3 Haiku can replace Anthropic Claude Haiku Latest when lower sample workload cost matters most: $0.88.
- Claude Haiku 4.5 (batch) can replace Anthropic Claude Haiku Latest when lower sample workload cost matters most: $1.75.
- Claude 3.5 Haiku can replace Anthropic Claude Haiku Latest when lower sample workload cost matters most: $2.8.
- 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.
- 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.
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Open Anthropic modelsFugu 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...
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