OpenPaths is an open source model router and AI gateway. One API key and one base URL (https://openpaths.io/v1) reach language, image, video, speech, music, embedding and 3D models from many providers.

Is OpenPaths compatible with the OpenAI and Anthropic SDKs?

Yes. POST /v1/chat/completions follows the OpenAI schema and POST /v1/messages follows the Anthropic schema. Change the base URL and keep your existing code.

How does OpenPaths pricing work?

Pay as you go at the provider price with near-zero markup. Requests on your own provider keys (BYOK) are recorded at $0. See https://openpaths.io/pricing.

What does openpaths/auto do?

openpaths/auto routes each request to a suitable model automatically, with automatic fallbacks when a provider fails or rate-limits.

Is there an OpenAPI spec or MCP server?

Yes. The OpenAPI 3.1 spec is at https://openpaths.io/openapi.json, the MCP endpoint is https://openpaths.io/mcp, and llms.txt plus llms-full.txt list every model id.

Muse Spark 1.3 vs Jev Router

Muse Spark 1.3 and Jev Router cost the same for 10M input + 2M output tokens. Context windows: Muse Spark 1.3 1M, Jev Router 1M.

Model	Provider	Context	Price
Muse Spark 1.3 `muse-spark-1.3`	Meta	1M	$1.25 in / $4.25 out per 1M tokens
Jev Router `typesafe/jev-router`	TypeSafe	1M	$1.25 in / $4.25 out per 1M tokens

Muse Spark 1.3 Jev Router Chat Completions API