API cost decision in 10 seconds

🔥Hy3 preview vs GPT-5.5 Pro

Pick Hy3 preview for lower cost; pick GPT-5.5 Pro only if the larger context window matters more.

Page updated: 2026-05-26T12:03:47Z Data confirmed: 2026-05-26T13:08:02Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Hy3 preview for lower cost; pick GPT-5.5 Pro 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 $120 for GPT-5.5 Pro, saving $119.8 (99.8% lower).

Cost-first pickHy3 preview

Context-first pickGPT-5.5 Pro

Sample savings$119.899.8%

10x traffic gap$1198.04

GPT-5.5 Pro has more context, but Hy3 preview saves $119.8 on the standard workload. At 10x that traffic, the same price gap is about $1198.04. 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	GPT-5.5 Pro
Input-heavy / RAG	5M input + 500K output	Hy3 preview	$0.46	$240
Balanced workload	1M input + 1M output	Hy3 preview	$0.33	$210
Output-heavy chatbot	1M input + 5M output	Hy3 preview	$1.37	$930

Cheaper input Hy3 preview $0.066 vs $30 / 1M

Hy3 preview is $29.93 cheaper per 1M input tokens (99.8% lower; 454.5x difference).

Cheaper output Hy3 preview $0.26 vs $180 / 1M

Hy3 preview is $179.74 cheaper per 1M output tokens (99.9% lower; 692.3x difference).

Larger context GPT-5.5 Pro 262.14K vs 1.05M

GPT-5.5 Pro has 787.86K more context (4.01x larger).

Sample workload Hy3 preview $0.2 vs $120

Hy3 preview is $119.8 cheaper on the standard workload (99.8% 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

GPT-5.5 Pro 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; GPT-5.5 Pro 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 $120 for GPT-5.5 Pro.

Best Fit

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

Choose GPT-5.5 Pro 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 $120 for GPT-5.5 Pro, saving $119.8 (99.8% lower).
Hy3 preview is $119.8 cheaper on the standard workload (99.8% lower).
Hy3 preview is $29.93 cheaper per 1M input tokens (99.8% lower; 454.5x difference).
Hy3 preview is $179.74 cheaper per 1M output tokens (99.9% lower; 692.3x difference).
GPT-5.5 Pro has 787.86K more context (4.01x larger).

Head-to-Head Specs

Feature	🔥Hy3 preview (Tencent)	GPT-5.5 Pro (OpenAI)
Input Price prompt tokens per 1M	$0.066	$30
Completion Price per 1M tokens	$0.26	$180
Sample Workload Cost 1M input + 500K output	$0.2	$120
Context Window	262.14K	1.05M
Release Date	2026-04-22	2026-04-24
Popularity	#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 $120 for GPT-5.5 Pro, saving $119.8 (99.8% 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	GPT-5.5 Pro	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

gpt-oss-120b (free) can replace GPT-5.5 Pro when lower sample workload cost matters most: $0.
gpt-oss-20b (free) can replace GPT-5.5 Pro when lower sample workload cost matters most: $0.
gpt-oss-20b can replace GPT-5.5 Pro when lower sample workload cost matters most: $0.1.
gpt-oss-120b can replace GPT-5.5 Pro when lower sample workload cost matters most: $0.13.

Larger context near this budget

Llama 4 Scout offers 10M context with $0.23 sample workload cost.
Grok 4.20 Multi-Agent offers 2M context with $5 sample workload cost.
Grok 4.20 offers 2M context with $2.5 sample workload cost.

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Tencent catalog

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OpenAI 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...

GPT-5.5 Pro

GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...