# The combination of open-sourcing its flagship model and raising prices sent Zhipu’s Hong Kong-listed shares up 11.5 per cent on Wednesday.

*genai · news · 2026-04-08 · South China Morning Post*

## Key points

- Zhipu has open-sourced its flagship GLM-5.1 model and raised its pricing.
- GLM-5.1 now costs US$1.40 per million input tokens and US$4.40 per million output tokens.
- Despite the price hike, GLM-5.1 remains significantly cheaper than Anthropic's Claude Opus 4.6.
- Artificial Analysis ranked GLM-5.1 as the strongest open model globally, surpassing domestic competitors.

**Companies:** Zhipu, Anthropic, OpenAI
**Countries:** Hong Kong, United States

[Read the full story on South China Morning Post](https://www.scmp.com/tech/policy/article/3349422/chinas-zhipu-ai-open-sources-flagship-model-raises-prices-narrow-gap-us-rivals)

---

Canonical: https://newsio.io/n/d7ea26ec-f19d-4db8-a195-86ab7aba062d/the-combination-of-open-sourcing-its-flagship-model-and-raising-prices-sent-zhip
Summarized by Newsio from South China Morning Post. https://newsio.io/how-it-works