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Window ends August 15, 2026. For announcements, previews, availability changes, and releases still awaiting a full profile, see the full release timeline. Need the comparison table too? Compare models · 2-min chooser · Stack cost calculator · Popular this week · Source receipts.

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Z.aiQwenGoogleSpaceXAIMetaDeepSeekAnthropicInclusionAI

1. 

   GLM 5.3

   FrontierClosed

   Z.ai

   Released yesterdayDate released: August 14, 2026

   Z.ai's 2026-08-14 Coding Plan flagship — same base as GLM 5.2, with the documented gains from post-training only. Direct token API and open weights are not published yet.

   • text

   Best for: GLM Coding Plan agent work · Long-horizon coding in Claude Code / OpenCode / Cline · Teams already on Z.ai subscriptions

   Watch out: Thinking cannot be disabled (`thinking.type: disabled` fails); `reasoning_effort` is low / high / max (default max). Open weights are promised about two weeks after launch pending safety review — not a downloadable checkpoint today. Vendor DeepSWE v1.1 66.9 used mini-swe-agent at 400K context, not the public Datacurve v1.1 board (snapshot generated 2026-08-13, before this launch).

   View in model comparison tableRun the 2-minute chooser

   Released

   August 14, 2026

   Input / 1M

   Not verified

   Output / 1M

   Not verified

   Context

   1M

   Max output

   128K

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