API cost decision in 10 seconds

NewHy4 preview vs NewDots3-Note Preview (free)

Pick Dots3-Note Preview (free) for lower cost; pick Hy4 preview 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 Dots3-Note Preview (free) for lower cost; pick Hy4 preview only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Dots3-Note Preview (free) is estimated at $0 vs $2.08 for Hy4 preview, saving $2.08 (100% lower).

Cost-first pickDots3-Note Preview (free)
Context-first pickHy4 preview
Sample savings$2.08100%
10x traffic gap$20.84

Hy4 preview has more context, but Dots3-Note Preview (free) saves $2.08 on the standard workload. At 10x that traffic, the same price gap is about $20.84. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Dots3-Note Preview (free) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickHy4 previewDots3-Note Preview (free)
Input-heavy / RAG5M input + 500K outputDots3-Note Preview (free)$5.42$0
Balanced workload1M input + 1M outputDots3-Note Preview (free)$3.33$0
Output-heavy chatbot1M input + 5M outputDots3-Note Preview (free)$13.34$0
Cheaper input Dots3-Note Preview (free) $0.834 vs $0 / 1M

Dots3-Note Preview (free) is free for input tokens while Hy4 preview costs $0.83 per 1M tokens.

Cheaper output Dots3-Note Preview (free) $2.501 vs $0 / 1M

Dots3-Note Preview (free) is free for output tokens while Hy4 preview costs $2.5 per 1M tokens.

Larger context Hy4 preview 1.05M vs 512K

Hy4 preview has 536.58K more context (2.05x larger).

Sample workload Dots3-Note Preview (free) $2.08 vs $0

Dots3-Note Preview (free) is free for the standard workload while the other model is estimated at $2.08.

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Hy4 preview Calculating… Estimated API cost
Dots3-Note Preview (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

Dots3-Note Preview (free) has the lower input price; Dots3-Note Preview (free) has the lower output price; Hy4 preview offers the larger context window. For the 1M input plus 500K output sample, Dots3-Note Preview (free) is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $2.08 for Hy4 preview and $0 for Dots3-Note Preview (free).

Best Fit

Choose Hy4 preview when you care most about larger context window.

Choose Dots3-Note Preview (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, Dots3-Note Preview (free) is estimated at $0 vs $2.08 for Hy4 preview, saving $2.08 (100% lower).
  • Dots3-Note Preview (free) is free for the standard workload while the other model is estimated at $2.08.
  • Dots3-Note Preview (free) is free for input tokens while Hy4 preview costs $0.83 per 1M tokens.
  • Dots3-Note Preview (free) is free for output tokens while Hy4 preview costs $2.5 per 1M tokens.
  • Hy4 preview has 536.58K more context (2.05x larger).
Head-to-Head Specs
FeatureNewHy4 preview
(Tencent)
NewDots3-Note Preview (free)
(Dots Studio)
Input Price
prompt tokens per 1M
$0.834$0
Completion Price
per 1M tokens
$2.501$0
Sample Workload Cost
1M input + 500K output
$2.08$0
Context Window1.05M512K
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionDots3-Note Preview (free)On the standard 1M input plus 500K output workload, Dots3-Note Preview (free) is estimated at $0 vs $2.08 for Hy4 preview, saving $2.08 (100% lower).
High-volume input processingDots3-Note Preview (free)Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsDots3-Note Preview (free)Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workHy4 previewA 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 preview when lower sample workload cost matters most: $0.
  • Hy-MT2-1.8B can replace Hy4 preview when lower sample workload cost matters most: $0.13.
  • Hy-MT2-30B-A3B can replace Hy4 preview when lower sample workload cost matters most: $0.22.
  • Hy-MT2-7B can replace Hy4 preview when lower sample workload cost matters most: $0.22.

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.

Open largest context models

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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Dots Studio catalog

Check other Dots Studio models with comparable pricing, context, or release timing.

Open Dots Studio models
Hy4 preview

Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total. It is designed for coding agents, complex tool-use workflows, and productivity tasks that...

Dots3-Note Preview (free)

Dots3-Note Preview is an open-weight mixture-of-experts model from Dots Studio, with 16B active parameters out of 280B total. It is the lightest model in the Dots 3 family and is...