Tencent: Hy4 preview API Pricing
Tencent: Hy4 preview costs $0.834 per 1M input tokens and $2.50 per 1M output tokens (cache reads: $0.042). Context window: 1.0M. Prices verified 2026-10-21 · source
Alternatives to consider
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Token economics
| Token type | Price | vs base input |
|---|---|---|
| Standard input | $0.834 | — |
| Cache read | $0.042 | −95% |
| Output | $2.50 | — |
Prompt caching stores repeated context server-side: reads cost far less, but writes carry a one-time premium.
Higher effort = deeper thinking = more reasoning tokens billed as output.
What would Tencent: Hy4 preview cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $16.68 |
| Coding agent | 5,000 | 8,000 / 2,000 | $58.37 |
| RAG pipeline | 30,000 | 4,000 / 500 | $137.59 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $38.36 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About Tencent: Hy4 preview
Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total. It is designed for coding agents, complex tool-use workflows, and productivity tasks that...
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Frequently asked questions
How much does Tencent: Hy4 preview cost?
Tencent: Hy4 preview costs $0.834 per 1M input tokens and $2.50 per 1M output tokens; cached input tokens cost $0.042 per 1M. Verified 2026-10-21 — provider source.
What is the context window?
1.0M tokens, with up to 64K output tokens per response. That's roughly 1311 pages of text in a single request.
Does it support prompt caching?
Yes — cached input is $0.042/1M, about 95% cheaper than standard input. Agents and RAG workloads with repeated context benefit most.
What's a cheaper alternative?
ScaleDown: Summarize saves about 98% on a typical workload with comparable quality.
Official resources
- Tencent: Hy4 preview on OpenRouter — live endpoint, pricing source of record.
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