API cost decision in 10 seconds

NewHy4 vs Nex-N2.5-Pro (free)

Pick Nex-N2.5-Pro (free) for lower cost; pick Hy4 only if the larger context window matters more.

Page updated:  Data confirmed:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Nex-N2.5-Pro (free) for lower cost; pick Hy4 only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Nex-N2.5-Pro (free) is estimated at $0 vs $1.04 for Hy4, saving $1.04 (100% lower).

Cost-first pickNex-N2.5-Pro (free)
Context-first pickHy4
Sample savings$1.04100%
10x traffic gap$10.42

Hy4 has more context, but Nex-N2.5-Pro (free) saves $1.04 on the standard workload. At 10x that traffic, the same price gap is about $10.42. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Nex-N2.5-Pro (free) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickHy4Nex-N2.5-Pro (free)
Input-heavy / RAG5M input + 500K outputNex-N2.5-Pro (free)$2.71$0
Balanced workload1M input + 1M outputNex-N2.5-Pro (free)$1.67$0
Output-heavy chatbot1M input + 5M outputNex-N2.5-Pro (free)$6.67$0
Cheaper input Nex-N2.5-Pro (free) $0.417 vs $0 / 1M

Nex-N2.5-Pro (free) is free for input tokens while Hy4 costs $0.42 per 1M tokens.

Cheaper output Nex-N2.5-Pro (free) $1.2505 vs $0 / 1M

Nex-N2.5-Pro (free) is free for output tokens while Hy4 costs $1.25 per 1M tokens.

Larger context Hy4 1.05M vs 262.14K

Hy4 has 786.43K more context (4x larger).

Sample workload Nex-N2.5-Pro (free) $1.04 vs $0

Nex-N2.5-Pro (free) is free for the standard workload while the other model is estimated at $1.04.

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Hy4 Calculating… Estimated API cost
Nex-N2.5-Pro (free) 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-N2.5-Pro (free) has the lower input price; Nex-N2.5-Pro (free) has the lower output price; Hy4 offers the larger context window. For the 1M input plus 500K output sample, Nex-N2.5-Pro (free) is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $1.04 for Hy4 and $0 for Nex-N2.5-Pro (free).

Best Fit

Choose Hy4 when you care most about larger context window.

Choose Nex-N2.5-Pro (free) 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-N2.5-Pro (free) is estimated at $0 vs $1.04 for Hy4, saving $1.04 (100% lower).
  • Nex-N2.5-Pro (free) is free for the standard workload while the other model is estimated at $1.04.
  • Nex-N2.5-Pro (free) is free for input tokens while Hy4 costs $0.42 per 1M tokens.
  • Nex-N2.5-Pro (free) is free for output tokens while Hy4 costs $1.25 per 1M tokens.
  • Hy4 has 786.43K more context (4x larger).
Head-to-Head Specs
FeatureNewHy4
(Tencent)		Nex-N2.5-Pro (free)
(Nex AGI)
Input Price
prompt tokens per 1M		$0.417$0
Completion Price
per 1M tokens		$1.2505$0
Sample Workload Cost
1M input + 500K output		$1.04$0
Context Window1.05M262.14K
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionNex-N2.5-Pro (free)On the standard 1M input plus 500K output workload, Nex-N2.5-Pro (free) is estimated at $0 vs $1.04 for Hy4, saving $1.04 (100% lower).
High-volume input processingNex-N2.5-Pro (free)Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsNex-N2.5-Pro (free)Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workHy4A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
  • Hy3 (free) can replace Hy4 when lower sample workload cost matters most: $0.
  • Hy-MT2-1.8B can replace Hy4 when lower sample workload cost matters most: $0.13.
  • Hy-MT2-30B-A3B can replace Hy4 when lower sample workload cost matters most: $0.22.
  • Hy-MT2-7B can replace Hy4 when lower sample workload cost matters most: $0.22.
Larger context near this budget
  • Llama 4 Scout offers 1.31M context with $0.25 sample workload cost.
  • GPT-6 Luna offers 1.05M context with $0.35 sample workload cost.
  • GPT-5.6 Luna offers 1.05M context with $0.8 sample workload cost.
  • GPT-6 Luna Pro offers 1.05M context with $0.35 sample workload cost.

Cheaper alternatives

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

Open cheapest models

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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Tencent catalog

Review all tracked Tencent 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.

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