API cost decision in 10 seconds

🔥DeepSeek V4 Flash vs 🔥Hy3 preview

Pick Hy3 preview for lower cost; pick DeepSeek V4 Flash only if the larger context window matters more.

Pricing data updated: 2026-05-16T03:07:35Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Hy3 preview for lower cost; pick DeepSeek V4 Flash only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Hy3 preview is estimated at $0.2 vs $0.22 for DeepSeek V4 Flash, saving $0.03 (12.5% lower).

Cost-first pickHy3 preview

Context-first pickDeepSeek V4 Flash

Sample savings$0.0312.5%

10x traffic gap$0.28

DeepSeek V4 Flash has more context, but Hy3 preview saves $0.03 on the standard workload. At 10x that traffic, the same price gap is about $0.28. Use the calculator below to replace the sample workload with your own token volume.

Cheaper input Hy3 preview $0.112 vs $0.066 / 1M

Hy3 preview is $0.05 cheaper per 1M input tokens (41.1% lower; 1.7x difference).

Cheaper output DeepSeek V4 Flash $0.224 vs $0.26 / 1M

DeepSeek V4 Flash is $0.04 cheaper per 1M output tokens (13.8% lower; 1.16x difference).

Larger context DeepSeek V4 Flash 1.05M vs 262.14K

DeepSeek V4 Flash has 786.43K more context (4x larger).

Sample workload Hy3 preview $0.22 vs $0.2

Hy3 preview is $0.03 cheaper on the standard workload (12.5% 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 Calculating… Estimated API cost

Hy3 preview 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

Hy3 preview has the lower input price; DeepSeek V4 Flash has the lower output price; DeepSeek V4 Flash offers the larger context window. For the 1M input plus 500K output sample, Hy3 preview is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.22 for DeepSeek V4 Flash and $0.2 for Hy3 preview.

Best Fit

Choose DeepSeek V4 Flash when you care most about lower output-token price, and larger context window.

Choose Hy3 preview when you care most about lower input-token price.

Decision Notes

On the standard 1M input plus 500K output workload, Hy3 preview is estimated at $0.2 vs $0.22 for DeepSeek V4 Flash, saving $0.03 (12.5% lower).
Hy3 preview is $0.03 cheaper on the standard workload (12.5% lower).
Hy3 preview is $0.05 cheaper per 1M input tokens (41.1% lower; 1.7x difference).
DeepSeek V4 Flash is $0.04 cheaper per 1M output tokens (13.8% lower; 1.16x difference).
DeepSeek V4 Flash has 786.43K more context (4x larger).

Head-to-Head Specs

Feature	🔥DeepSeek V4 Flash (DeepSeek)	🔥Hy3 preview (Tencent)
Input Price prompt tokens per 1M	$0.112	$0.066
Completion Price per 1M tokens	$0.224	$0.26
Sample Workload Cost 1M input + 500K output	$0.22	$0.2
Context Window	1.05M	262.14K
Release Date	2026-04-24	2026-04-22
Popularity Rank current rank	#1	#2

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Hy3 preview	On the standard 1M input plus 500K output workload, Hy3 preview is estimated at $0.2 vs $0.22 for DeepSeek V4 Flash, saving $0.03 (12.5% lower).
High-volume input processing	Hy3 preview	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	DeepSeek V4 Flash	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	DeepSeek V4 Flash	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 when lower sample workload cost matters most: $0.

Larger context near this budget

Llama 4 Scout offers 10M context with $0.23 sample workload cost.
Owl Alpha offers 1.05M context with $0 sample workload cost.

Popular competitors

Claude Opus 4.7 · Anthropic · #3
Claude Sonnet 4.6 · Anthropic · #4
Owl Alpha · OpenRouter · #5
Gemini 3 Flash Preview · Google · #6

Cheaper alternatives

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Larger context alternatives

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Provider catalogs

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DeepSeek catalog

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Tencent catalog

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DeepSeek V4 Flash

DeepSeek V4 Flash is an efficiency-optimized Mixture-of-Experts model from DeepSeek with 284B total parameters and 13B activated parameters, supporting a 1M-token context window. It is designed for fast inference and...

Hy3 preview

Hy3 preview is a high-efficiency Mixture-of-Experts model from Tencent designed for agentic workflows and production use. It supports configurable reasoning levels across disabled, low, and high modes, allowing it to...