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Zhipu AI Ships GLM-5.2 Open Weights: 1M Context, Top Open-Source Coding Model at One-Sixth GPT-5.5 Cost

Read this because The open-weights gap to frontier closed models is now measured in single-digit benchmark points. For self-hosting builders, GLM-5.2 changes the build-vs-buy math on agentic coding.

Z.ai released GLM-5.2 under MIT license on June 17 — a 753B-param MoE with 1M context topping open-source coding benchmarks at ~1/6 of GPT-5.5 cost.

Google Puts Gemini 3.5 Pro Into Final Preview Stretch With 2M-Token Context and Deep Think Reasoning

Read this because The pricing and the free-trial window are what builders should check first. At $15/$60 per million tokens, Pro is priced to be used seriously — not sampled.

Gemini 3.5 Pro is in final Vertex enterprise preview with a 2M-token context window and Deep Think reasoning; GA launch expected imminently in June 2026.

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