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Models › tencent › Tencent: Hy4

Tencent: Hy4 — pricing & benchmarks

By tencent · Updated 2026-11-08 · Open weightsReads imageslong-context / RAGreads images / documentsstep-by-step reasoningopen weights / self-hostable

Tencent: Hy4 costs $0.417 per 1M input tokens and $1.2505 per 1M output tokens, with a 1M context window. It is best suited for long-context / RAG, reads images / documents, step-by-step reasoning, open weights / self-hostable, and is available through one OpenAI-compatible Appmo API key.
$0.417Input / 1M
$1.2505Output / 1M
1MContext
65Buzz (0-100)

What Tencent: Hy4 is used for

Tencent: Hy4 is best suited for long-context / RAG, reads images / documents, step-by-step reasoning, open weights / self-hostable. Access it through one Appmo API key alongside 452 other models — Appmo's optimizer can route to it automatically when it is the best value for a request. Weights: huggingface.co/tencent/Hy4.

What people are saying (last 30 days)

Not enough posts yet to judge community sentiment. 5 Hacker News stories (404 points) · 30 new GitHub repos mentioning it. How we measure this.

Use it via the Appmo API (OpenAI-compatible)

curl https://appmo.com/v1/chat/completions \
  -H "Authorization: Bearer $APPMO_KEY" \
  -d '{"model":"tencent/hy4","messages":[{"role":"user","content":"Hello"}]}'

FAQ

How much does Tencent: Hy4 cost?
Tencent: Hy4 costs $0.417 per 1M input tokens and $1.2505 per 1M output tokens ($0.625 blended), as of 2026-11-08. Prices are expected to fall as competition increases.

What is Tencent: Hy4 best for?
Tencent: Hy4 is best suited for long-context / RAG, reads images / documents, step-by-step reasoning, open weights / self-hostable.

How do I use Tencent: Hy4?
Send requests to Appmo's OpenAI-compatible endpoint with model id "tencent/hy4" and one API key — no separate provider account needed.

Is Tencent: Hy4 open source?
Yes — its weights are public on Hugging Face (tencent/Hy4).

Can Tencent: Hy4 create images?
No. Tencent: Hy4 can read and understand images, but it only writes text.