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OpenRouter

OpenRouter is a unified large language model inference router and model marketplace: one OpenAI-compatible HTTP application programming interface across many underlying inference providers, with automatic fallbacks and cost-aware routing. The marketplace object is models and inference providers (tokens in → tokens out), not installable agent tools ranked by dual human-and-agent reputation.

MCP not recordedAPI declaredCost unknownLicence unknown

Interface

http

HTTP API

[ Observed sample ]

Frequency in Leyline's observed sample

The count is distinct observed stacks. It is not a Score input.

This component is not in Leyline's observed sample.

Record cmp_openrouter-c833b6

Open ranks

[ Score explain ]

Why the Score is 9

How Score works

Score v2 uses only observed signals. The displayed contribution is weight × value × 100. Missing factors are insufficient evidence.

Score factor

GitHub health

18% weight. Documentation is available.

Value 0.15 · 2.7 points

18% weight × 0.15 value

2.7 points

Documentation is available.

Score factor

Agent use

16% weight. insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

Score factor

Human notes

14% weight. insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

Score factor

Composability

16% weight. insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

Score factor

Checklist

10% weight. No MCP surface is declared. An API is declared. Cost is unknown. 1 of 3 checklist fields are complete.

Value 0.33 · 3.3 points

10% weight × 0.33 value

3.3 points

No MCP surface is declared. An API is declared. Cost is unknown. 1 of 3 checklist fields are complete.

Score factor

Evidence quality

14% weight. 2 sources cover 1 evidence types. The latest dated evidence is 2026-09-11. Freshness is omitted unless observed as a signal.

Value 0.23 · 3.2 points

14% weight × 0.23 value

3.2 points

2 sources cover 1 evidence types. The latest dated evidence is 2026-09-11. Freshness is omitted unless observed as a signal.

Score factor

Benchmarks

12% weight. insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

Total9.23 → 9 after rounding

Agent use: insufficient evidence

Human notes: insufficient evidence

Composability: insufficient evidence

Benchmarks: insufficient evidence

[ Claims ]

Publisher-asserted record

Claims are what the publisher declares. Score uses observed signals, not these assertions, except for checklist fields derived from interfaces. MCP, API, cost, and license claims are marked verified, unverified, or contradicted from intake evidence.

Kind
app
Interfaces

Interface

http

HTTP API

Functions

Function

Route

send work to the right tool

Route Browse Route

Function

Tool-call

invoke an external action

Tool-call Browse Tool-call
Tags
None recorded

[ Capability slices ]

Compose the useful parts.

route

Route

OpenRouter is a unified large language model inference router and model marketplace: one OpenAI-compatible HTTP application programming interface across many underlying inference providers, with automatic fallbacks and cost-aware routing. The marketplace object is models and inference providers (tokens in → tokens out), not installable agent tools ranked by dual human-and-agent reputation.

tool-call

Tool-call

OpenRouter is a unified large language model inference router and model marketplace: one OpenAI-compatible HTTP application programming interface across many underlying inference providers, with automatic fallbacks and cost-aware routing. The marketplace object is models and inference providers (tokens in → tokens out), not installable agent tools ranked by dual human-and-agent reputation.

[ Relations ]

Derived alternatives and shared slots

  • Alternative to
    BlockRun Shared functions route, tool-call. Same kind and overlapping capability.
  • Fills the same slot as
    Model Context Protocol Shared functions route, tool-call. Can fill the same function slot.
  • Fills the same slot as
    Monid Shared functions route, tool-call. Can fill the same function slot.
  • Fills the same slot as
    MCP / AI Gateway Shared functions route, tool-call. Can fill the same function slot.
  • Fills the same slot as
    Build software better, together Shared functions route, tool-call. Can fill the same function slot.

[ Signals ]

Observed evidence and source claims

Signals carry source, method, and observedAt. Source review dates and evidence basis are shown separately. Unobserved metrics stay insufficient evidence.

  • human
    Catalogue resource card ×2

    Evidence basis unknown · Check date unknown · Source date 2026-09-11

No social source is stored.

Suggest a correction

Propose a change with a public source. Corrections wait for review before the card changes.

[ Notes ]

No notes are stored.