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Z.ai
Z.ai operates as a model developer and inference provider. It released GLM-5.3 as an open MoE model on August 29, 2026, and has described the production infrastructure behind its GLM-5.3-Flash service, running on a cluster of more than 100,000 Chinese-made AI accelerators.
Synthesized from 7
Yomimono stories · updated
9h ago
Z.ai released GLM-5.3 as an open model on August 29, 2026, at 0:00 Japan time. The model is a mixture-of-experts system with 744 billion total parameters and 40 billion active parameters. Third-party organization Artificial Analysis scored it 60 on its Intelligence Index and 59 on its Agentic Index. The release followed a promise Z.ai made on August 14.
On September 18, 2026, Z.ai described how it built the inference infrastructure behind the production service for GLM-5.3-Flash, running on a cluster of more than 100,000 Chinese-made AI accelerators. The company said an infrastructure agent powered by GLM-5.3 carried out most of the work. Z.ai reported that optimizations brought end-to-end service performance to about 3x and cost per token in line with mainstream NVIDIA GPUs.
Those two stories are the whole of the coverage about Z.ai's models. The other items in the feed concern anime productions and a UAE game studio, and none of them involve Z.ai. What is settled from the model coverage is the release itself and the numbers Z.ai and Artificial Analysis published. What Z.ai has not stated in these accounts is the name of any infrastructure team, the length of the build, or which accelerators specifically.
Key facts
- Model release
- Z.ai released GLM-5.3 as an open model on August 29, 2026, at 0:00 Japan time, following a promise made on August 14. ↗
- Model architecture
- GLM-5.3 is a MoE model with 744 billion total parameters and 40 billion active parameters. ↗
- Third-party scores
- Artificial Analysis gave GLM-5.3 an Intelligence Index score of 60 and an Agentic Index score of 59. ↗
- Inference cluster
- The production service for GLM-5.3-Flash runs on a cluster of more than 100,000 Chinese-made AI accelerators. ↗
- Infrastructure agent
- Z.ai says most of the infrastructure work was carried out by an agent powered by GLM-5.3. ↗
- Reported service performance
- Z.ai reports optimizations brought end-to-end service performance to about 3x and cost per token in line with mainstream NVIDIA GPUs. ↗
Timeline
- Sep 18, 2026 Z.ai Details GLM-5.3-Flash Service Built On 100,000 Chinese AI Accelerators
- Aug 29, 2026 Z.ai Releases GLM-5.3 as Open Model, Surpassing Claude and GPT in Tests
- Aug 20, 2026 Disney Twisted-Wonderland Anime Teaser Adds Fairouz Ai as Yuuka
- Aug 15, 2026 UAE Studio The Orange Giant Unveils Open-World Action Game Zhai
- Aug 10, 2026 Open-World Action Game Zhai Reveals Combat and Memory Growth Systems
- Jun 27, 2026 The World's Strongest Witch Anime Adds Fairouz Ai, Honoka Inoue to Cast
- Jun 1, 2026 Honō no Tōkyūjo: Dodge Danko Anime Reveals July 6 Debut, More Cast
Synthesized by Yomimono from the cited Yomimono stories below, each itself
sourced, then editorially reviewed. Every
fact links the story it came from.
All coverage
9h ago
Z.ai announced GLM-Legal, a model tuned on GLM-5.3-Flash for legal work. Its harness is also optimized for legal tasks. The company compared benchmark scores against GLM-5.3-Flash, Kimi K3, Claude Fable 5, and GPT-6 Astra, saying GLM-Legal improved on its base model and surpassed Claude Fable 5 and GPT-6 Astra on some tests. GLM-Legal is in beta testing, is scheduled to reach Z.ai's AI agent AutoClaw, and is accepting API access applications.
4d ago
Aniplex released the first promotional video for the anime adaptation of Sumiko Arai's The Guy She Was Interested In Wasn't a Guy at All on Friday, along with additional cast and staff credits and a January 8 premiere. CloverWorks animates the series, with Masashi Ishihama directing and Rino Yamazaki handling series composition. Kenjiro Tsuda and Tasuku Hatanaka reprise their roles from the audio drama as Jo and Narita. Yurina Amami joins as Chizuru, Fairouz Ai as Mao, and Maiko Nomura as Kanna. Akari Kito voices Aya Osawa and Mariya Ise voices Mitsuki Koga. The anime airs on NTV's FuraAni programming block at 11:00 p.m. JST, and Crunchyroll streams it as it airs. Kanna Hirayama designs the characters, and Kosuke Noma and Takayuki "Kojiro" Sasaki compose the music. The opening theme is Nirvana's 1991 song "Breed."
5d ago
Level Infinite implemented the LITTLE WITCH TRICK version of Goddess of Victory: Nikke on Thursday, October 8, 2026. The centerpiece is a new SSR Nikke, Belorta: Pumpkin Witch, voiced by Fairouz Ai. She appears in a special recruitment that runs from after the maintenance on October 8 until October 28, 2026 at 23:59:59. The accompanying story event follows Belorta as she prepares for a Halloween festival, trades pranks for a lively time, and then watches suspicious rumors spread through the city. A 14 Days Login event, DAILY TRICK, hands out advanced recruitment tickets and growth materials to players who log in across the period. Three costume items round out the update. Label (voiced by Hiyori Omori) gets the limited Occultist costume through the OCCULTIST PASS. Cinderella (voiced by Aoi Yuki) gets Glass Curtesy through Cinderella Special, a window that stays open until December 3, 2026 at 4:59:59. Novel's Detective Nurse costume returns in reprint.
Sep 18
Z.ai explained in a blog post how it built the inference infrastructure behind the production service for GLM-5.3-Flash, running on a cluster of more than 100,000 Chinese-made AI accelerators. The company says most of the work was carried out by an infrastructure agent powered by GLM-5.3, and that optimizations brought end-to-end service performance to about 3x and cost per token in line with mainstream NVIDIA GPUs.
Aug 29
Z.ai released its GLM-5.3 model as an open model on August 29, 2026, at 0:00 Japan time. The MoE model has 744 billion total parameters and 40 billion active parameters. Third-party organization Artificial Analysis gave it an Intelligence Index score of 60 and an Agentic Index score of 59.
Aug 20
Disney+ presented a teaser promotional video for Episode of Savanaclaw, the second season of the Disney Twisted-Wonderland The Animation series, on Thursday. The teaser introduces Fairouz Ai as the voice of Yuuka Hirasaka, a high school student who excels at judo and the protagonist of the second season. On the way home from a judo tournament, she encounters a mysterious carriage that whisks her away to Twisted-Wonderland. Episode of Savanaclaw will begin streaming exclusively on Disney+ in December 2026. The first season, Episode of Heartslabyul, debuted exclusively on Disney+ in October 2025, and the overall anime will run for three seasons. The seasons adapt the original game's accompanying manga under the titles Episode of Heartslabyul, Episode of Savanaclaw, and Episode of Octavinelle. The anime's English dub debuted on Disney+ and Hulu on the same day the anime premiered. Takahiro Natori is serving as chief director and series script supervisor, and Shin Katagai is directing at Yumeta Company and Graphinica. Yoichi Kato is credited as the main writer. Hanaka Nakano and Akane Sato are designing the characters. Takumi Ozawa, the composer of the game, is also composing the music in the anime itself.
Aug 15
The Orange Giant Gaming Development FZCO, a UAE-based studio, revealed system details for its PC open-world action-adventure game Zhai on August 10, 2026, and announced a winter 2026 release. The game draws from a co-founder's motorcycle accident coma, during which he experienced a vivid other world that became the game's concept.
Aug 10
The Orange Giant detailed the systems for its PC open-world action adventure Zhai, out in winter 2026 on Steam and the Epic Games Store. Players control amnesiac warrior Zhai through the realm Il'Navir, combining elemental abilities in combat and recovering lost memories to unlock new skills via a Memory Skill Tree.
Jun 27
The official website for the television anime of Mochimaru Sakaki's The World's Strongest Witch light novel series began streaming a promotional video on Friday. The video reveals two new cast members: Fairouz Ai as Erimina, the master of the adventurers' guild known as the "Inferno Witch," and Honoka Inoue as Eruna, an elf princess who worries over her sick mother. Azusa Tachibana was previously announced as protagonist Rona Hermit. The anime is directed by Jōji Furuta at studios Bridge and Aisle and will premiere in October.
Jun 1
The anime adaptation of Tetsuhiro Koshita's sequel manga Honō no Tōkyūjo: Dodge Danko will premiere on July 6. A main trailer revealed six new cast members, additional staff, and the opening theme by Momoiro Clover Z. The series centers on Danko, daughter of the original series protagonist, as she builds a dodgeball team in the Reiwa era.