API cost decision in 10 seconds

Solar Pro 4 vs Nex-N2-Mini

Pick Nex-N2-Mini for lower cost; pick Solar Pro 4 only if the larger context window matters more.

Page updated: 2026-08-13T13:07:45Z Data confirmed: 2026-08-23T13:07:49Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Nex-N2-Mini for lower cost; pick Solar Pro 4 only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Nex-N2-Mini is estimated at $0.08 vs $0.09 for Solar Pro 4, saving $0.01 (16.7% lower).

Cost-first pickNex-N2-Mini

Context-first pickSolar Pro 4

Sample savings$0.0116.7%

10x traffic gap$0.15

Solar Pro 4 has more context, but Nex-N2-Mini saves $0.01 on the standard workload. At 10x that traffic, the same price gap is about $0.15. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Nex-N2-Mini stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	Solar Pro 4	Nex-N2-Mini
Input-heavy / RAG	5M input + 500K output	Nex-N2-Mini	$0.21	$0.17
Balanced workload	1M input + 1M output	Nex-N2-Mini	$0.15	$0.12
Output-heavy chatbot	1M input + 5M output	Nex-N2-Mini	$0.63	$0.53

Cheaper input Nex-N2-Mini $0.03 vs $0.025 / 1M

Nex-N2-Mini is $0.005 cheaper per 1M input tokens (16.7% lower; 1.2x difference).

Cheaper output Nex-N2-Mini $0.12 vs $0.1 / 1M

Nex-N2-Mini is $0.02 cheaper per 1M output tokens (16.7% lower; 1.2x difference).

Larger context Solar Pro 4 524.29K vs 262.14K

Solar Pro 4 has 262.14K more context (2x larger).

Sample workload Nex-N2-Mini $0.09 vs $0.08

Nex-N2-Mini is $0.01 cheaper on the standard workload (16.7% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Solar Pro 4 Calculating… Estimated API cost

Nex-N2-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

Nex-N2-Mini has the lower input price; Nex-N2-Mini has the lower output price; Solar Pro 4 offers the larger context window. For the 1M input plus 500K output sample, Nex-N2-Mini is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.09 for Solar Pro 4 and $0.08 for Nex-N2-Mini.

Best Fit

Choose Solar Pro 4 when you care most about larger context window.

Choose Nex-N2-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, Nex-N2-Mini is estimated at $0.08 vs $0.09 for Solar Pro 4, saving $0.01 (16.7% lower).
Nex-N2-Mini is $0.01 cheaper on the standard workload (16.7% lower).
Nex-N2-Mini is $0.005 cheaper per 1M input tokens (16.7% lower; 1.2x difference).
Nex-N2-Mini is $0.02 cheaper per 1M output tokens (16.7% lower; 1.2x difference).
Solar Pro 4 has 262.14K more context (2x larger).

Head-to-Head Specs

Feature	Solar Pro 4 (Upstage)	Nex-N2-Mini (Nex AGI)
Input Price prompt tokens per 1M	$0.03	$0.025
Completion Price per 1M tokens	$0.12	$0.1
Sample Workload Cost 1M input + 500K output	$0.09	$0.08
Context Window	524.29K	262.14K
Release Date	2026-08-10	2026-06-24

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 $0.09 for Solar Pro 4, saving $0.01 (16.7% lower).
High-volume input processing	Nex-N2-Mini	Lower prompt-token price matters most when prompts, retrieved passages, or documents 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	Solar Pro 4	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

Nex-N2-Pro (free) can replace Nex-N2-Mini when lower sample workload cost matters most: $0.

Larger context near this budget

DeepSeek V4 Flash Latest offers 1.31M context with $0.11 sample workload cost.
Owl Alpha offers 1.05M context with $0 sample workload cost.
Ox Alpha offers 1.05M context with $0 sample workload cost.
DeepSeek V4 Flash 0423 offers 1.05M context with $0.1 sample workload cost.

Popular competitors

DeepSeek V4 Flash 0731 · DeepSeek · #1
MiMo-V2.5 · Xiaomi · #2
Hy3 · Tencent · #3
Ox Alpha · stealth · #4

Cheaper alternatives

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Provider catalogs

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Upstage catalog

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Nex AGI catalog

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Solar Pro 4

Solar Pro 4 is Upstage's cost-efficient large language model, featuring a 524K context window. It is built for long-horizon tasks and agentic workflows, with strong capabilities in office productivity, document-intensive...

Nex-N2-Mini

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,...