Open-weight reasoning and coding model · Official-source review 2026-10-09
Tencent Hy4 preview is a Mixture-of-Experts model with downloadable instruct and FP8 weights. The official repository documents 770 billion total parameters, 49 billion activated per token, a one-million-token context and developer deployment recipes.
Understand the total cost
Free
Free
Model released under Apache 2.0; running the weights requires substantial infrastructure. Hosted API or consumer-app pricing unconfirmed.
No retained pricing changes yet. A current price alone does not establish a historical trend.
Current official product source read individually; product artwork inspected visually.
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Yes. Tencent Hy4 preview has an ongoing free plan. Model released under Apache 2.0; running the weights requires substantial infrastructure. Hosted API or consumer-app pricing unconfirmed.
Tencent Hy4 preview is listed as free. No paid plan with a published price was found.
API or developer access is mentioned. Official recipes expose an OpenAI-compatible chat API through vLLM or SGLang; local deployment and infrastructure are required.