API cost decision in 10 seconds

🔥DeepSeek V4 Flash 0731 vs Nex-N2-Mini

Pick Nex-N2-Mini for lower cost; pick DeepSeek V4 Flash 0731 only if the larger context window matters more.

Page updated: 2026-08-21T10:07:47Z Data confirmed: 2026-08-23T12:07:48Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Nex-N2-Mini for lower cost; pick DeepSeek V4 Flash 0731 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 $0.17 for DeepSeek V4 Flash 0731, saving $0.09 (55.9% lower).

Cost-first pickNex-N2-Mini

Context-first pickDeepSeek V4 Flash 0731

Sample savings$0.0955.9%

10x traffic gap$0.95

DeepSeek V4 Flash 0731 has more context, but Nex-N2-Mini saves $0.09 on the standard workload. At 10x that traffic, the same price gap is about $0.95. 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	DeepSeek V4 Flash 0731	Nex-N2-Mini
Input-heavy / RAG	5M input + 500K output	Nex-N2-Mini	$0.49	$0.17
Balanced workload	1M input + 1M output	Nex-N2-Mini	$0.26	$0.12
Output-heavy chatbot	1M input + 5M output	Nex-N2-Mini	$0.98	$0.53

Cheaper input Nex-N2-Mini $0.08 vs $0.025 / 1M

Nex-N2-Mini is $0.06 cheaper per 1M input tokens (68.8% lower; 3.2x difference).

Cheaper output Nex-N2-Mini $0.18 vs $0.1 / 1M

Nex-N2-Mini is $0.08 cheaper per 1M output tokens (44.4% lower; 1.8x difference).

Larger context DeepSeek V4 Flash 0731 1.31M vs 262.14K

DeepSeek V4 Flash 0731 has 1.05M more context (5x larger).

Sample workload Nex-N2-Mini $0.17 vs $0.08

Nex-N2-Mini is $0.09 cheaper on the standard workload (55.9% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

DeepSeek V4 Flash 0731 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; DeepSeek V4 Flash 0731 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 $0.17 for DeepSeek V4 Flash 0731 and $0.08 for Nex-N2-Mini.

Best Fit

Choose DeepSeek V4 Flash 0731 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 $0.17 for DeepSeek V4 Flash 0731, saving $0.09 (55.9% lower).
Nex-N2-Mini is $0.09 cheaper on the standard workload (55.9% lower).
Nex-N2-Mini is $0.06 cheaper per 1M input tokens (68.8% lower; 3.2x difference).
Nex-N2-Mini is $0.08 cheaper per 1M output tokens (44.4% lower; 1.8x difference).
DeepSeek V4 Flash 0731 has 1.05M more context (5x larger).

Head-to-Head Specs

Feature	🔥DeepSeek V4 Flash 0731 (DeepSeek)	Nex-N2-Mini (Nex AGI)
Input Price prompt tokens per 1M	$0.08	$0.025
Completion Price per 1M tokens	$0.18	$0.1
Sample Workload Cost 1M input + 500K output	$0.17	$0.08
Context Window	1.31M	262.14K
Release Date	2026-07-31	2026-06-24
Popularity	#1

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 $0.17 for DeepSeek V4 Flash 0731, saving $0.09 (55.9% 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	DeepSeek V4 Flash 0731	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

DeepSeek V4 Flash (free) can replace DeepSeek V4 Flash 0731 when lower sample workload cost matters most: $0.
DeepSeek V4 Flash 0423 can replace DeepSeek V4 Flash 0731 when lower sample workload cost matters most: $0.1.
Nex-N2-Pro (free) can replace Nex-N2-Mini when lower sample workload cost matters most: $0.

Larger context near this budget

No larger-context model is currently tracked within a close sample-cost band.

Popular competitors

MiMo-V2.5 · Xiaomi · #2
Hy3 · Tencent · #3
Ox Alpha · stealth · #4
DeepSeek V4 Flash 0423 · DeepSeek · #5

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

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Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

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Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

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DeepSeek catalog

Review all tracked DeepSeek models before deciding whether this matchup is the right shortlist.

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Nex AGI catalog

Check other Nex AGI models with comparable pricing, context, or release timing.

Open Nex AGI models

DeepSeek V4 Flash 0731

DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total. This re-post-trained revision is suited for coding, reasoning, and agent workflows....

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,...