API cost decision in 10 seconds

Hy3 (free) vs MoonshotAI Kimi Latest

Pick Hy3 (free) for lower cost; pick MoonshotAI Kimi Latest 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 Hy3 (free) for lower cost; pick MoonshotAI Kimi Latest only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Hy3 (free) is estimated at $0 vs $9.1 for MoonshotAI Kimi Latest, saving $9.1 (100% lower).

Cost-first pickHy3 (free)
Context-first pickMoonshotAI Kimi Latest
Sample savings$9.1100%
10x traffic gap$91

MoonshotAI Kimi Latest has more context, but Hy3 (free) saves $9.1 on the standard workload. At 10x that traffic, the same price gap is about $91. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Hy3 (free) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickHy3 (free)MoonshotAI Kimi Latest
Input-heavy / RAG5M input + 500K outputHy3 (free)$0$19.5
Balanced workload1M input + 1M outputHy3 (free)$0$15.6
Output-heavy chatbot1M input + 5M outputHy3 (free)$0$67.6
Cheaper input Hy3 (free) $0 vs $2.6 / 1M

Hy3 (free) is free for input tokens while MoonshotAI Kimi Latest costs $2.6 per 1M tokens.

Cheaper output Hy3 (free) $0 vs $13 / 1M

Hy3 (free) is free for output tokens while MoonshotAI Kimi Latest costs $13 per 1M tokens.

Larger context MoonshotAI Kimi Latest 262.14K vs 1.05M

MoonshotAI Kimi Latest has 786.43K more context (4x larger).

Sample workload Hy3 (free) $0 vs $9.1

Hy3 (free) is free for the standard workload while the other model is estimated at $9.1.

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Hy3 (free) Calculating… Estimated API cost
MoonshotAI Kimi Latest 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 (free) has the lower input price; Hy3 (free) has the lower output price; MoonshotAI Kimi Latest offers the larger context window. For the 1M input plus 500K output sample, Hy3 (free) is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0 for Hy3 (free) and $9.1 for MoonshotAI Kimi Latest.

Best Fit

Choose Hy3 (free) when you care most about lower input-token price, and lower output-token price.

Choose MoonshotAI Kimi Latest when you care most about larger context window.

Decision Notes
  • On the standard 1M input plus 500K output workload, Hy3 (free) is estimated at $0 vs $9.1 for MoonshotAI Kimi Latest, saving $9.1 (100% lower).
  • Hy3 (free) is free for the standard workload while the other model is estimated at $9.1.
  • Hy3 (free) is free for input tokens while MoonshotAI Kimi Latest costs $2.6 per 1M tokens.
  • Hy3 (free) is free for output tokens while MoonshotAI Kimi Latest costs $13 per 1M tokens.
  • MoonshotAI Kimi Latest has 786.43K more context (4x larger).
Head-to-Head Specs
FeatureHy3 (free)
(Tencent)
MoonshotAI Kimi Latest
(MoonshotAI)
Input Price
prompt tokens per 1M
$0$2.6
Completion Price
per 1M tokens
$0$13
Sample Workload Cost
1M input + 500K output
$0$9.1
Context Window262.14K1.05M
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionHy3 (free)On the standard 1M input plus 500K output workload, Hy3 (free) is estimated at $0 vs $9.1 for MoonshotAI Kimi Latest, saving $9.1 (100% lower).
High-volume input processingHy3 (free)Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsHy3 (free)Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workMoonshotAI Kimi LatestA larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
  • Kimi K2.7 Code (free) can replace MoonshotAI Kimi Latest when lower sample workload cost matters most: $0.
  • Kimi K2.6 (free) can replace MoonshotAI Kimi Latest when lower sample workload cost matters most: $0.
  • Kimi K2.5 can replace MoonshotAI Kimi Latest when lower sample workload cost matters most: $1.57.
  • Kimi K2 0711 can replace MoonshotAI Kimi Latest when lower sample workload cost matters most: $1.72.

Cheaper alternatives

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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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Tencent catalog

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

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MoonshotAI catalog

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

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Hy3 (free)

Hy3 is a 295B-parameter Mixture-of-Experts model from Tencent (21B active, 192 experts with top-8 routing) built for reasoning, agentic workflows, and real-world production use. It supports a configurable reasoning effort:...

MoonshotAI Kimi Latest

This model always redirects to the latest model in the MoonshotAI Kimi family.