API cost decision in 10 seconds

GPT Chat Latest vs 🔥Hy3 preview

Pick Hy3 preview for lower cost; pick GPT Chat Latest only if the larger context window matters more.

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

Budget verdict

Pick Hy3 preview for lower cost; pick GPT Chat Latest 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 $20 for GPT Chat Latest, saving $19.8 (99% lower).

Cost-first pickHy3 preview
Context-first pickGPT Chat Latest
Sample savings$19.899%
10x traffic gap$198.04

GPT Chat Latest has more context, but Hy3 preview saves $19.8 on the standard workload. At 10x that traffic, the same price gap is about $198.04. 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 shapeToken mixBetter pickGPT Chat LatestHy3 preview
Input-heavy / RAG 5M input + 500K output Hy3 preview $40 $0.46
Balanced workload 1M input + 1M output Hy3 preview $35 $0.33
Output-heavy chatbot 1M input + 5M output Hy3 preview $155 $1.37
Cheaper inputHy3 preview$5 vs $0.07 / 1M
Cheaper outputHy3 preview$30 vs $0.26 / 1M
Larger contextGPT Chat Latest400K vs 262.14K
Sample workloadHy3 preview$20 vs $0.2

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
GPT Chat LatestCalculating…Estimated API cost
Hy3 previewCalculating…Estimated API cost
Cheaper for this workloadCalculating…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, and GPT Chat Latest offers the larger context window.

For a 1M input token plus 500K output token workload, the estimated API cost is $20 for GPT Chat Latest and $0.2 for Hy3 preview.

Best Fit

Choose GPT Chat Latest when you care most about larger context window.

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

Head-to-Head Specs
FeatureGPT Chat Latest
(OpenAI)		🔥Hy3 preview
(Tencent)
Input Price
prompt tokens per 1M		$5$0.07
Completion Price
per 1M tokens		$30$0.26
Sample Workload Cost
1M input + 500K output		$20$0.2
Context Window400K262.14K
Release Date2026-05-052026-04-22
Popularity#2
GPT Chat Latest

GPT Chat Latest points to OpenAI's stable API alias `chat-latest` that always resolves to the latest Instant chat model used in ChatGPT. As OpenAI rolls out new Instant model updates...

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...

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 $20 for GPT Chat Latest, saving $19.8 (99% lower).
High-volume input processingHy3 previewLower prompt-token price matters most when prompts or retrieved passages dominate the bill.
Long responses and chatbotsHy3 previewLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workGPT Chat LatestA larger context window leaves more room for retrieved passages and source files.