API cost decision in 10 seconds
NewAion 3.5 vs Nex-N2-Mini
Pick Nex-N2-Mini when budget is the priority.
Budget verdict
Pick Nex-N2-Mini when budget is the priority.
On the standard 1M input plus 500K output workload, Nex-N2-Mini is estimated at $0.08 vs $6 for Aion 3.5, saving $5.92 (98.8% lower).
The reported context window is tied, so cost and provider fit carry more weight. At 10x that traffic, the same price gap is about $59.25. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Nex-N2-Mini stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Aion 3.5 | Nex-N2-Mini |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Nex-N2-Mini | $18 | $0.17 |
| Balanced workload | 1M input + 1M output | Nex-N2-Mini | $9 | $0.13 |
| Output-heavy chatbot | 1M input + 5M output | Nex-N2-Mini | $33 | $0.53 |
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
Nex-N2-Mini has the lower input price, Nex-N2-Mini has the lower output price, and Tie offers the larger context window.
For a 1M input token plus 500K output token workload, the estimated API cost is $6 for Aion 3.5 and $0.08 for Nex-N2-Mini.
Choose Aion 3.5 when its provider, model quality, latency, or availability is more important than the numeric price/context winner.
Choose Nex-N2-Mini when you care most about lower input-token price, and lower output-token price.
| Feature | NewAion 3.5 (AionLabs) | Nex-N2-Mini (Nex AGI) |
|---|---|---|
| Input Price prompt tokens per 1M | $3 | $0.03 |
| Completion Price per 1M tokens | $6 | $0.1 |
| Sample Workload Cost 1M input + 500K output | $6 | $0.08 |
| Context Window | 262.14K | 262.14K |
| Release Date | 2026-09-23 | 2026-06-24 |
Aion 3.5 is a multi-model roleplaying and storytelling system from AionLabs, built on the GLM family of models. It uses a collaborative generation process in which multiple specialized models each...
Nex-N2-Mini is an open-source agentic mixture-of-experts model from Nex AGI, the smaller sibling in the Nex-N2 series. It accepts text and image input and is built for coding, tool use,...
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Nex-N2-Mini | On the standard 1M input plus 500K output workload, Nex-N2-Mini is estimated at $0.08 vs $6 for Aion 3.5, saving $5.92 (98.8% lower). |
| High-volume input processing | Nex-N2-Mini | Lower prompt-token price matters most when prompts or retrieved passages dominate the bill. |
| Long responses and chatbots | Nex-N2-Mini | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Tie | A larger context window leaves more room for retrieved passages and source files. |