Zhipu supplies 30 of 71 recovered free UnoRouter models — but every one of them is called with a single UNOROUTER_API_KEY

Asked:

“Analyse all free Models and find any Provider that You Can all Providers are with a key name”

Search-indexed official UnoRouter model pages, scanned 2026-09-05, yield 71 free provider/model pairs across 22 provider labels — a partial crawl of the 240 free models the UnoRouter homepage advertises. The pricing endpoint could not be fetched, so catalog membership is single-sourced from indexed official UnoRouter pages. 14 rows are likely localized duplicates (flagged, not merged). Key-name references shown below come from external hosts and are not UnoRouter requirements.

Recovered free models by provider label

Zhipu alone accounts for 30 of the 71 recovered free pairs — more than the next six providers combined; a typical example is glm-family pages under unorouter.com.
Callers need only one gateway credential, UNOROUTER_API_KEY, for every model here — UnoRouter exposes an OpenAI-compatible API, per unorouter.com.
14 of the 71 rows differ only because localized pages (e.g. Spanish /es/modelos/) dropped the :free suffix in extracted text — the URL slug is authoritative, e.g. unorouter.com.
Provider-specific env vars such as COHERE_API_KEY matter only for BYOK or direct calls; the external references below span hosts like anyrouter.dev and pypi.org.

All 71 recovered free provider/model pairs

ProviderModelPagesSource

Key names for providers in the free-model table

External references only — these are what you would need if you bypassed UnoRouter or configured a BYOK upstream. Through UnoRouter itself, UNOROUTER_API_KEY is the only key. Exact environment-variable names are tagged env var; mere key formats or generic labels are tagged format.

Method: 71 provider/model pairs with URLs ending in :free were reconstructed from search-indexed official UnoRouter model pages (scan of 2026-09-05); the official pricing endpoint could not be fetched, so catalog membership is single-sourced and partial — 71 of 240 advertised free models. Bar chart counts pairs per provider label taken from each model ID; likely localized duplicates are flagged, not merged. The key-name table shows only the 16 external references (of 45 collected) whose provider label overlaps a provider in the free-model table; they span independent hosts and are references, not UnoRouter requirements. No single URL backs more than half of the combined rows.

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