docs: GLM-5.3 Flash, the missing GLM-5.3 row, and counts 71→72 / 95→96 - #57
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Z.AI's glm-5.3-flash, probed live 2026-08-27 against api.z.ai before listing:
real completions, tool calls, streaming, and image input all verified.
price $0.15 in / $0.50 out — docs.z.ai/guides/overview/pricing, the
international USD LIST rate. Z.AI is running a 50% launch
promotion ($0.075/$0.25) that ends 2026-09-09; chat sells at
cost, so listing the promo rate would put us under COGS the
morning it lapses.
context 1M
maxOutput 131072 — the API's hard cap (error 1210 at 131073), not the
context window.
thinking always on, cannot be disabled. Unlike 5/5.1/5.2 it returns
content alongside reasoning, so it needs no workaround.
The Z.AI reference table was also missing glm-5.3 entirely — the 08-19 launch
swept counts but never added the row. Added, and 5.2 loses the "(flagship)"
tag it kept after 5.3 shipped.
Counts swept with brand-numbers.docs.test.ts's OWN regex (40 counts, 22 files),
so prices and dates were untouched. README/ECOSYSTEM carry br: markers and are
refreshed by the weekly brand-sync workflow instead.
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Step 4 of the model-launch checklist for
zai/glm-5.3-flash.New model
zai/glm-5.3-flash— $0.15/$0.50 per 1M, 1M context, 131,072 max output, native image input, always-on reasoning. Probed live against api.z.ai before listing: completions, tool calls, streaming, and vision.Backfill
zai/glm-5.3row — the 2026-08-19 launch (docs: model counts 70→71 chat, 94→95 total (GLM-5.3) #51) swept counts but skipped the table. Added, andglm-5.2loses the "(flagship)" tag it kept after 5.3 shipped.Counts
brand-numbers.docs.test.ts's own regex (40 counts, 22 files) rather than by hand, so prices and dates were untouched.README.md/ECOSYSTEM.mdcarrybr:markers and are refreshed by the weeklybrand-syncworkflow — not touched here.Guards green in the blockrun tree against this branch.
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