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OpenRouter

Routes API requests to 500 language models across 80 providers through a unified interface.

LLM operationsAPIFor developersUsage-based pricing
OpenRouter is an American artificial intelligence company that operates a platform for accessing and routing requests to large language models and other generative artificial intelligence models.First sentence of the English Wikipedia article
Atlas Readinesssweptswept 2026-09-15

91/100

#1 of 35 rated LLM operations tools#31 of 537 in the Atlas
  • Entity25/25
  • Machine-readable31.5/35
  • Retrieval access17/20
  • Footprint17.2/20
all four parts read
Against the fieldsweptreadiness, out of 100
  • OpenRouter91
  • LLM operations medianof 35 rated62
  • Atlas medianof 537 rated61
What the sweep readsweptswept 2026-09-15
  • Retrieval botspartialverify

    Whether the bots that decide citations are let in. Training bots are a separate list and are not counted here.

  • llms.txtyesverify

    A plain-text index at /llms.txt. Optional; read by some tools.

  • Organization schemayes

    schema.org Organization markup on the homepage, which is what a resolver reads a company's name and links from.

  • Wikidata itemQ140795851Wikipedia article

    Matched on the official website, never on the name. The substrate under the knowledge graph an engine resolves names against.

  • Server-rendered words465swept

    What a reader without JavaScript receives from the homepage.

  • Identity score90/100swept

    The analyzer's crawl-only section, 0-100: identity files, schema, crawler policy, sitemap. Not the analyzer score.

  • Footprint2.8k GitHub stars
Company factsper Wikidata · read 2026-09-17
  • HeadquartersNew York CityP159
Position in LLM operationsswept32 swept

90/100

identity score

0identity score, 0-100100
72th percentile of 32 · median 80
Similar toolssweptLLM operations · nearest readiness

Not measured with the analyzer.

The full run asks four engines about this company by name. It runs on request, not on a schedule.

Questions this page answers
  • What is OpenRouter?

    Routes API requests to 500 language models across 80 providers through a unified interface.

  • What is OpenRouter's Atlas Readiness?

    91 of 100 on 2026-09-15, computed from four parts — entity, machine-readable, retrieval access, footprint — all four parts read. It places #1 of 35 rated LLM operations tools.

  • Does OpenRouter let AI retrieval bots in?

    Partly. On 2026-09-15, openrouter.ai fenced some paths from retrieval crawlers.

  • Does OpenRouter publish an llms.txt?

    Yes: openrouter.ai/llms.txt was present on 2026-09-15.

  • Is OpenRouter a Wikidata entity?

    Yes: Q140795851, matched on its official website.

How to read a row

swept
Read by a crawler: HTTP and parsing, no model call. Every row, every week.
measured
The full analyzer run, asked of four engines. Shown only where the company agreed to show it.

Can a retrieval engine find, resolve and quote this site? Four parts, each read by the sweep, each shown beside the total.

Entity 25 · Machine-readable 35 · Retrieval access 20 · Footprint 20

A part that was never read is left out and the total is rescaled to what was. It is never counted as zero.

Measure your own site