API cost decision in 10 seconds

NewFugu Ultra v2 vs Aion-3.0-Mini

Pick Aion-3.0-Mini for lower cost; pick Fugu Ultra v2 only if the larger context window matters more.

Page updated: 2026-09-11T06:08:14Z Data confirmed: 2026-09-12T07:08:13Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Aion-3.0-Mini for lower cost; pick Fugu Ultra v2 only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Aion-3.0-Mini is estimated at $1.4 vs $20 for Fugu Ultra v2, saving $18.6 (93% lower).

Cost-first pickAion-3.0-Mini

Context-first pickFugu Ultra v2

Sample savings$18.693%

10x traffic gap$186

Fugu Ultra v2 has more context, but Aion-3.0-Mini saves $18.6 on the standard workload. At 10x that traffic, the same price gap is about $186. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Aion-3.0-Mini stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	Fugu Ultra v2	Aion-3.0-Mini
Input-heavy / RAG	5M input + 500K output	Aion-3.0-Mini	$40	$4.2
Balanced workload	1M input + 1M output	Aion-3.0-Mini	$35	$2.1
Output-heavy chatbot	1M input + 5M output	Aion-3.0-Mini	$155	$7.7

Cheaper input Aion-3.0-Mini $5 vs $0.7 / 1M

Aion-3.0-Mini is $4.3 cheaper per 1M input tokens (86% lower; 7.14x difference).

Cheaper output Aion-3.0-Mini $30 vs $1.4 / 1M

Aion-3.0-Mini is $28.6 cheaper per 1M output tokens (95.3% lower; 21.4x difference).

Larger context Fugu Ultra v2 1M vs 131.07K

Fugu Ultra v2 has 868.93K more context (7.63x larger).

Sample workload Aion-3.0-Mini $20 vs $1.4

Aion-3.0-Mini is $18.6 cheaper on the standard workload (93% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Fugu Ultra v2 Calculating… Estimated API cost

Aion-3.0-Mini Calculating… Estimated API cost

Cheaper for this workload Calculating… Difference: calculating…

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

Verdict

Aion-3.0-Mini has the lower input price; Aion-3.0-Mini has the lower output price; Fugu Ultra v2 offers the larger context window. For the 1M input plus 500K output sample, Aion-3.0-Mini 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 $1.4 for Aion-3.0-Mini.

Best Fit

Choose Fugu Ultra v2 when you care most about larger context window.

Choose Aion-3.0-Mini when you care most about lower input-token price, and lower output-token price.

Decision Notes

On the standard 1M input plus 500K output workload, Aion-3.0-Mini is estimated at $1.4 vs $20 for Fugu Ultra v2, saving $18.6 (93% lower).
Aion-3.0-Mini is $18.6 cheaper on the standard workload (93% lower).
Aion-3.0-Mini is $4.3 cheaper per 1M input tokens (86% lower; 7.14x difference).
Aion-3.0-Mini is $28.6 cheaper per 1M output tokens (95.3% lower; 21.4x difference).
Fugu Ultra v2 has 868.93K more context (7.63x larger).

Head-to-Head Specs

Feature	NewFugu Ultra v2 (Sakana)	Aion-3.0-Mini (AionLabs)
Input Price prompt tokens per 1M	$5	$0.7
Completion Price per 1M tokens	$30	$1.4
Sample Workload Cost 1M input + 500K output	$20	$1.4
Context Window	1M	131.07K
Release Date	2026-09-11	2026-07-07

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Aion-3.0-Mini	On the standard 1M input plus 500K output workload, Aion-3.0-Mini is estimated at $1.4 vs $20 for Fugu Ultra v2, saving $18.6 (93% lower).
High-volume input processing	Aion-3.0-Mini	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Aion-3.0-Mini	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

Same-provider lower-cost swaps

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.

Larger context near this budget

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.

Popular competitors

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GPT-5.6 Luna · OpenAI · #2
GLM 5.3 Flash · Z.ai · #3
DeepSeek V4 Flash 0731 · DeepSeek · #4

Cheaper alternatives

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Provider catalogs

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Sakana catalog

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AionLabs catalog

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