API cost decision in 10 seconds

🔥Hy3 preview vs 🔥GLM 5.1

Pick Hy3 preview when budget and context both matter.

Pricing data updated:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Hy3 preview when budget and context both matter.

On the standard 1M input plus 500K output workload, Hy3 preview is estimated at $0.2 vs $2.52 for GLM 5.1, saving $2.32 (92.2% lower).

Cost-first pickHy3 preview
Context-first pickHy3 preview
Sample savings$2.3292.2%
10x traffic gap$23.24

Hy3 preview is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $23.24. Use the calculator below to replace the sample workload with your own token volume.

Cheaper input Hy3 preview $0.066 vs $0.98 / 1M

Hy3 preview is $0.91 cheaper per 1M input tokens (93.3% lower; 14.8x difference).

Cheaper output Hy3 preview $0.26 vs $3.08 / 1M

Hy3 preview is $2.82 cheaper per 1M output tokens (91.6% lower; 11.8x difference).

Larger context Hy3 preview 262.14K vs 202.75K

Hy3 preview has 59.39K more context (1.29x larger).

Sample workload Hy3 preview $0.2 vs $2.52

Hy3 preview is $2.32 cheaper on the standard workload (92.2% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Hy3 preview Calculating… Estimated API cost
GLM 5.1 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; Hy3 preview has the lower output price; Hy3 preview 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 $0.2 for Hy3 preview and $2.52 for GLM 5.1.

Best Fit

Choose Hy3 preview when you care most about lower input-token price, lower output-token price, and larger context window.

Choose GLM 5.1 when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Decision Notes
  • On the standard 1M input plus 500K output workload, Hy3 preview is estimated at $0.2 vs $2.52 for GLM 5.1, saving $2.32 (92.2% lower).
  • Hy3 preview is $2.32 cheaper on the standard workload (92.2% lower).
  • Hy3 preview is $0.91 cheaper per 1M input tokens (93.3% lower; 14.8x difference).
  • Hy3 preview is $2.82 cheaper per 1M output tokens (91.6% lower; 11.8x difference).
  • Hy3 preview has 59.39K more context (1.29x larger).
Head-to-Head Specs
Feature🔥Hy3 preview
(Tencent)		🔥GLM 5.1
(Z.ai)
Input Price
prompt tokens per 1M		$0.066$0.98
Completion Price
per 1M tokens		$0.26$3.08
Sample Workload Cost
1M input + 500K output		$0.2$2.52
Context Window262.14K202.75K
Release Date
Popularity Rank
current rank		#1#20

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionHy3 previewOn the standard 1M input plus 500K output workload, Hy3 preview is estimated at $0.2 vs $2.52 for GLM 5.1, saving $2.32 (92.2% lower).
High-volume input processingHy3 previewLower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsHy3 previewLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workHy3 previewA larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
  • GLM 4.5 Air (free) can replace GLM 5.1 when lower sample workload cost matters most: $0.
  • GLM 4 32B can replace GLM 5.1 when lower sample workload cost matters most: $0.15.
  • GLM 4.7 Flash can replace GLM 5.1 when lower sample workload cost matters most: $0.26.
  • GLM 4.5 Air can replace GLM 5.1 when lower sample workload cost matters most: $0.55.
Larger context near this budget
  • Grok 4.1 Fast offers 2M context with $0.45 sample workload cost.
  • Grok 4.20 offers 2M context with $2.5 sample workload cost.
  • Grok 4 Fast offers 2M context with $0.45 sample workload cost.
  • Owl Alpha offers 1.05M context with $0 sample workload cost.

Cheaper alternatives

Review low-cost models ranked 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.

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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Z.ai catalog

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

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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...

GLM 5.1

GLM-5.1 delivers a major leap in coding capability, with particularly significant gains in handling long-horizon tasks. Unlike previous models built around minute-level interactions, GLM-5.1 can work independently and continuously on...