Tencent Hy4
Tencent Hy4 is a reasoning model from Tencent released on Nov 3, 2026. It reads text and images and writes text, with a 1.02M token context window and up to 64K tokens per reply.
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It costs $0.417 per million input tokens and $1.25 per million output tokens. Cached input bills at $0.021, 95% less than fresh input.
It supports tool calling, structured JSON output and prompt caching.
2 providers serve it, including Vercel AI Gateway and Kilo Gateway.
- Modalities
- In / out price
- $0.417 / $1.25 per 1M
- Context
- 1.02M
- Max output
- 64K
- Released
- Nov 3, 2026
- Knowledge cutoff
- n/a
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
Tencent Hy4 pricing
USD, as listed on Nov 4, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.
| Input | $0.417 / 1M tokens | |
|---|---|---|
| Output | $1.25 / 1M tokens | |
| Cached input (read) | $0.021 / 1M tokens | 95% off input |
Tencent Hy4 providers
2 providers serve it, including Vercel AI Gateway and Kilo Gateway. Each host sets its own price and limits, so the cheapest one is not always the one with the longest context.
| Provider | Input /M | Output /M | Cache read /M | Context | Max output |
|---|---|---|---|---|---|
| Vercel AI Gateway | $0.417 | $1.25 | $0.021 | 1.02M | 64K |
| Kilo Gateway | $0.834 | $2.50 | $0.042 | 1.05M | 66K |
What Tencent Hy4 costs per month
Pick a workload close to yours or type your own volumes.
Supported request parameters
What you can set when you call Tencent Hy4 through an OpenAI compatible API.
- Tools
tools - Structured outputs
structured_outputs - Reasoning
reasoning
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Tencent Hy4 questions
How much does the Tencent Hy4 API cost?
$0.417 per million input tokens and $1.25 per million output tokens, with cached input at $0.021. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of Tencent Hy4?
1,024,000 tokens of input, and it can write up to 64,000 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Which providers serve Tencent Hy4?
2 providers serve it, including Vercel AI Gateway and Kilo Gateway. Prices differ by host, so the Providers table on this page lists each one with its input and output price.
Does Tencent Hy4 support tool calling?
Yes. It accepts tool definitions and can return JSON that matches a schema, which is what an agent needs to call your APIs.
Is Tencent Hy4 open source?
No. Tencent serves it through an API only, so you cannot download the weights or host it yourself.
When was Tencent Hy4 released?
Nov 3, 2026.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Nov 4, 2026. The summary is written from these facts.