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docs(models): glm5.3 is served as NVFP4 and takes image, audio and video - #137

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Oct 1, 2026
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The premium glm5.3 moved to an NVFP4 build that is multimodal (text, image, audio and video in). The docs still said FP8 and text only, as #39 had set them.

What changes (EN and ES)

  • /docs/models card and the home table: NVFP4, text · image · audio · video.
  • modelCatalog.ts gains a video modality, and glm5.3 is the first model with it. Choose a model gets a "hand the model a video" row.
  • OpenAPI: the catalog row and the messages field no longer call it text only.
  • Client configs: OpenCode declares the four inputs (its vendored schema accepts video). VS Code and Cline mark it with images. Pi only accepts text and image, so it goes in with those and the known issues say so, like mimo-v2.6-flash.
  • The lines telling readers to avoid it for images are removed (Choose a model, Claude Code, Hermes, VS Code).

Tests

  • docsGlm53.test.ts and modelsTable.test.ts now require NVFP4 and the new modalities. They fail against the old pages and pass now.
  • vitest: 1325/1325. npm run build passes.

Not in this PR

  • nan-cli writes the same tool configs and still declares glm5.3 as text only.
  • models.dev (nan/glm5.3) is maintained outside this repo.
  • Multimodal input was confirmed by the owner, not tested against the API: the local key does not have the premium tier.

🤖 Generated with Claude Code

The premium model moved to an NVFP4 build that is multimodal: text, image,
audio and video in. Every surface still described the previous one, FP8
and text only, which #39 had set on purpose when the vision copied from
the announcement was wrong.

- The card (EN/ES) and the home table: NVFP4, the four input modalities
  and their bullets.
- The model catalog gains a `video` modality, and glm5.3 is the first
  model to carry it. Choose a model gets a row for handing it a video.
- The OpenAPI spec: the catalog row lists the inputs, and the messages
  field no longer singles glm5.3 out as text only.
- The client configs: OpenCode declares all four (its schema has
  `video`), VS Code and Cline mark it with images. Pi's schema only has
  text and image, so it goes in with those and the page says so, as it
  already did for mimo-v2.6-flash.
- The prose that steered readers away from it for images (Choose a model,
  Claude Code, Hermes, VS Code) goes.

The two tests that asserted text only now assert the opposite, and were
seen failing against the old pages.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
@borjaperfra
borjaperfra merged commit 281da82 into main Oct 1, 2026
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@borjaperfra
borjaperfra deleted the docs/glm53-nvfp4-multimodal branch October 1, 2026 11:18
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2 participants