Z.AI releases GLM 5.3 with 1M context window

By PulseAugur Editorial · [1 sources] · 2026-08-23 00:00

Z.AI has released GLM 5.3, an open-weight model featuring a 1 million token context window. This model's large context window is notable for an open-weight offering. Pricing for the model is set at $1.4 per 1 million input tokens and $4.4 per 1 million output tokens. AI

IMPACT Offers a rare combination of open weights and a 1M token context window, potentially lowering barriers for advanced AI applications.

RANK_REASON Frontier-lab model release with system card. [lever_c_demoted from frontier_release: ic=1 ai=1.0]

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GLM 5.3
Z.AI

model release

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Z.AI releases GLM 5.3 with 1M context window

COVERAGE [1]

Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] · 2026-08-23 00:00

🧠 GLM 5.3 (Z.AI) is an open-weight model with a 1M token context window — input $1.4, output $4.4 per 1M. That context size at open weights is rare. Hourly trac

🧠 GLM 5.3 (Z.AI) is an open-weight model with a 1M token context window — input $1.4, output $4.4 per 1M. That context size at open weights is rare. Hourly tracking of models like this: https:// olud.ai/latest.html # AI # LLM # OpenSource

LINKS olud.ai/latest.html

COVERAGE [1]

🧠 GLM 5.3 (Z.AI) is an open-weight model with a 1M token context window — input $1.4, output $4.4 per 1M. That context size at open weights is rare. Hourly trac

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