API cost decision in 10 seconds

Hy3 preview vs Grok 4.20 Multi-Agent

Pick Hy3 preview for lower cost; pick Grok 4.20 Multi-Agent only if the larger context window matters more.

Pricing data updated: 2026-05-26T11:08:00Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Hy3 preview for lower cost; pick Grok 4.20 Multi-Agent 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 $5 for Grok 4.20 Multi-Agent, saving $4.8 (96.1% lower).

Cost-first pickHy3 preview

Context-first pickGrok 4.20 Multi-Agent

Sample savings$4.896.1%

10x traffic gap$48.04

Grok 4.20 Multi-Agent has more context, but Hy3 preview saves $4.8 on the standard workload. At 10x that traffic, the same price gap is about $48.04. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Hy3 preview stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	Hy3 preview	Grok 4.20 Multi-Agent
Input-heavy / RAG	5M input + 500K output	Hy3 preview	$0.46	$13
Balanced workload	1M input + 1M output	Hy3 preview	$0.33	$8
Output-heavy chatbot	1M input + 5M output	Hy3 preview	$1.37	$32

Cheaper input Hy3 preview $0.066 vs $2 / 1M

Hy3 preview is $1.93 cheaper per 1M input tokens (96.7% lower; 30.3x difference).

Cheaper output Hy3 preview $0.26 vs $6 / 1M

Hy3 preview is $5.74 cheaper per 1M output tokens (95.7% lower; 23.1x difference).

Larger context Grok 4.20 Multi-Agent 262.14K vs 2M

Grok 4.20 Multi-Agent has 1.74M more context (7.63x larger).

Sample workload Hy3 preview $0.2 vs $5

Hy3 preview is $4.8 cheaper on the standard workload (96.1% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Hy3 preview Calculating… Estimated API cost

Grok 4.20 Multi-Agent 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; Grok 4.20 Multi-Agent 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 $5 for Grok 4.20 Multi-Agent.

Best Fit

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

Choose Grok 4.20 Multi-Agent when you care most about larger context window.

Decision Notes

On the standard 1M input plus 500K output workload, Hy3 preview is estimated at $0.2 vs $5 for Grok 4.20 Multi-Agent, saving $4.8 (96.1% lower).
Hy3 preview is $4.8 cheaper on the standard workload (96.1% lower).
Hy3 preview is $1.93 cheaper per 1M input tokens (96.7% lower; 30.3x difference).
Hy3 preview is $5.74 cheaper per 1M output tokens (95.7% lower; 23.1x difference).
Grok 4.20 Multi-Agent has 1.74M more context (7.63x larger).

Head-to-Head Specs

Feature	Hy3 preview (Tencent)	Grok 4.20 Multi-Agent (xAI)
Input Price prompt tokens per 1M	$0.066	$2
Completion Price per 1M tokens	$0.26	$6
Sample Workload Cost 1M input + 500K output	$0.2	$5
Context Window	262.14K	2M
Release Date	2026-04-22	2026-03-31

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 $5 for Grok 4.20 Multi-Agent, saving $4.8 (96.1% 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	Hy3 preview	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Grok 4.20 Multi-Agent	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

Grok Build 0.1 can replace Grok 4.20 Multi-Agent when lower sample workload cost matters most: $2.
Grok 4.3 can replace Grok 4.20 Multi-Agent when lower sample workload cost matters most: $2.5.
Grok 4.20 can replace Grok 4.20 Multi-Agent when lower sample workload cost matters most: $2.5.

Larger context near this budget

Llama 4 Scout offers 10M context with $0.23 sample workload cost.

Popular competitors

No popular competitor is currently available.

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

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Tencent catalog

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xAI catalog

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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...

Grok 4.20 Multi-Agent

Grok 4.20 Multi-Agent is a variant of xAI’s Grok 4.20 designed for collaborative, agent-based workflows. Multiple agents operate in parallel to conduct deep research, coordinate tool use, and synthesize information...