OpenRouter
Unified API + marketplace for 300+ models — pay-as-you-go credits, automatic fallback, model arena. Used as default LLM router by many JS/TS agents.
Active · Verified 2026-10-26 · fresh as of 2026-10-26 · 14 cited facts, 0 with a third-party source · Suggest a correction
At a glance
- Type
- Multi-provider LLM gateway vendor fix
- Tier
- T1
- Section
- Inference platforms & gateways
- Latest release
- searched not found fix
- License
- searched not found fix
- GitHub
- searched not found vendor fix
- Pricing
- searched not found fix
- Funding
- $40M Series A 2025-03 (Andreessen Horowitz + Menlo led). vendor fix
- Freshness
- 2026-10-26 fix
- Layer
- model-infra repo fix
- SDK languages
- go, python, rest, typescript vendor fix
- Protocols
- openai-compatible vendor fix
- Compliance
- gdpr, soc2-type2 vendor fix
When to use
Optimised for: searched not found
Anti-fit: searched not found
Pros & cons
Pros
searched not found
Cons
searched not found
Claims & capabilities
Profitable as of 2024; rumored $40M+ ARR.
Technical surface
- API surface
- searched not found
- Backend storage
- not applicable — not a memory product
- Deployment
- searched not found
- Embedding model
- not applicable — not a memory product
- Multi-tenancy
- searched not found
- MCP
- searched not found
- A2A
- searched not found
- OpenTelemetry
- searched not found
Compare OpenRouter with…
Similar systems
Other inference platforms & gateways in the catalog, ranked by inbound references.
- LiteLLM T1
BerriAI's open-source LLM gateway — unified OpenAI-format API for 100+ providers; LiteLLM Proxy adds budgets, fallbacks, observability, rate-limiting.
- Together AI T1
Cloud platform for OSS LLM inference and fine-tuning — serverless inference, dedicated endpoints, fine-tuning API, training cluster.
- Fireworks AI T1
Fast inference platform for OSS LLMs — custom Cuda kernels, speculative decoding, multi-LoRA serving. Targets latency-sensitive production use cases.
- vLLM T1
Open-source LLM inference engine with PagedAttention — high-throughput batching, paged KV-cache. UC Berkeley origin; de-facto OSS inference stack.
- Portkey AI T2
AI gateway + observability — load balancing across 200+ LLMs, retries, caching, eval, prompts. Open-source Gateway + commercial Portkey Cloud. Acquired by Palo Alto Networks (closed about 2026-06); now sold as Prisma AIRS AI Gateway (GA 2026-07-16).
- Baseten T1
Inference platform for ML models — Truss package format, Chains for multi-model workflows, autoscaling GPU/CPU serving. Targeted at production teams shipping LLM/diffusion endpoints.
Sources (13 cited facts, 0 third-party)
Each fact links to the page it came from; the badge says who published it (how to read sources).
- What it is Multi-provider LLM gateway vendor
- What it does & what's distinct Unified API + marketplace for 300+ models — pay-as-you-go credits, automatic fallback, m… vendor
- Claims / benefits Profitable as of 2024; rumored $40M+ ARR. vendor
- Created 2023 vendor
- Funding $40M Series A 2025-03 (Andreessen Horowitz + Menlo led). vendor
- HQ US vendor
- Founders / pedigree Alex Atallah (CEO; ex-OpenSea co-founder), Olivia Atallah; founded 2023. vendor
- architecture-deployment-locus cloud vendor
- positioning-platform-vs-product platform vendor
- taxonomy-three-layer-rollup model-infra repo
- compliance-certifications gdpr,soc2-type2 vendor
- sdk-languages go,python,rest,typescript vendor
- protocol-support openai-compatible vendor
Related systems
References (36)
- Alibaba Qwen 3 family integrates with — OpenRouter lists Alibaba as an inference provider (providers API slug "alibaba"). (verified 2026-10-29)
- Amazon Nova family integrates with — OpenRouter lists Amazon Nova as an inference provider (providers API slug "amazon-nova"). (verified 2026-10-29)
- Anthropic Claude (foundation models) integrates with — OpenRouter lists Anthropic as an inference provider (providers API slug "anthropic"). (verified 2026-10-29)
- Arize AI integrates with — OpenRouter Broadcast docs have a page for sending request traces to Arize AX. (verified 2026-10-29)
- Baseten integrates with — OpenRouter lists BaseTen as an inference provider (providers API slug "baseten"). (verified 2026-10-29)
- Braintrust integrates with — OpenRouter Broadcast docs have a page for sending request traces to Braintrust. (verified 2026-10-29)
- Claude Agent SDK integrates with — OpenRouter docs have a community guide on using OpenRouter with the Anthropic (Claude) Agent SDK. (verified 2026-10-29)
- Claude Code (Anthropic) integrates with — OpenRouter docs have a cookbook page on using Claude Code with OpenRouter. (verified 2026-10-29)
- Cohere Command R+ / Command A integrates with — OpenRouter lists Cohere as an inference provider (providers API slug "cohere"). (verified 2026-10-29)
- Comet ML integrates with — OpenRouter Broadcast docs have a page for sending request traces to Comet Opik. (verified 2026-10-29)
- Cursor (IDE) integrates with — OpenRouter docs have a cookbook page on using Cursor with OpenRouter. (verified 2026-10-29)
- DeepSeek R1 / V3 family integrates with — OpenRouter lists DeepSeek as an inference provider (providers API slug "deepseek"). (verified 2026-10-29)
- Elasticsearch integrates with — OpenRouter Broadcast docs have a page for sending request traces to Elastic Observability. (verified 2026-10-29)
- Fireworks AI integrates with — OpenRouter lists Fireworks as an inference provider (providers API slug "fireworks"). (verified 2026-10-29)
- Google Gemini 3 family integrates with — OpenRouter lists Google AI Studio as an inference provider (providers API slug "google-ai-studio"). (verified 2026-10-29)
- Jamba (AI21 Labs) integrates with — OpenRouter lists AI21 as an inference provider (providers API slug "ai21"). (verified 2026-10-29)
- JetBrains Junie integrates with — OpenRouter docs have a cookbook page on using Junie CLI with OpenRouter. (verified 2026-10-29)
- LangChain (framework) integrates with — OpenRouter docs have a community guide on using OpenRouter with LangChain. (verified 2026-10-29)
- Langfuse integrates with — OpenRouter Broadcast docs have a page for sending request traces to Langfuse. (verified 2026-10-29)
- LangSmith integrates with — OpenRouter Broadcast docs have a page for sending request traces to LangSmith. (verified 2026-10-29)
- LiveKit Agents integrates with — OpenRouter docs have a community guide on using OpenRouter with LiveKit Agents. (verified 2026-10-29)
- Mastra integrates with — OpenRouter docs have a community guide on using OpenRouter with Mastra. (verified 2026-10-29)
- Meta Llama 4 family integrates with — OpenRouter lists Meta as an inference provider (providers API slug "meta"). (verified 2026-10-29)
- Mistral Large 2 / Mixtral family integrates with — OpenRouter lists Mistral as an inference provider (providers API slug "mistral"). (verified 2026-10-29)
- Modal integrates with — OpenRouter lists Modal as an inference provider (providers API slug "modal"). (verified 2026-10-29)
- OpenAI Codex CLI integrates with — OpenRouter docs have a cookbook page on using Codex CLI with OpenRouter. (verified 2026-10-29)
- OpenAI GPT family (GPT-5 / GPT-4o / o3 / o4) integrates with — OpenRouter lists OpenAI as an inference provider (providers API slug "openai"). (verified 2026-10-29)
- Opencode (SST) integrates with — OpenRouter docs have a cookbook page on using OpenCode with OpenRouter. (verified 2026-10-29)
- Pydantic-AI integrates with — OpenRouter docs have a community guide on using OpenRouter with PydanticAI. (verified 2026-10-29)
- Reka Core / Flash / Edge integrates with — OpenRouter lists Reka as an inference provider (providers API slug "reka"). (verified 2026-10-29)
- Replit Agent integrates with — OpenRouter docs have a community guide on using OpenRouter with Replit Agent. (verified 2026-10-29)
- Together AI integrates with — OpenRouter lists Together as an inference provider (providers API slug "together"). (verified 2026-10-29)
- Vercel AI SDK integrates with — OpenRouter docs have a community guide on using OpenRouter with Vercel AI SDK. (verified 2026-10-29)
- Voyage AI (MongoDB) integrates with — OpenRouter lists VoyageAI by MongoDB as an inference provider (providers API slug "voyageai"). (verified 2026-10-29)
- Weights & Biases integrates with — OpenRouter Broadcast docs have a page for sending request traces to W&B Weave. (verified 2026-10-29)
- xAI Grok 4 integrates with — OpenRouter lists xAI as an inference provider (providers API slug "xai"). (verified 2026-10-29)
Referenced by (30)
- agentgateway integrates with — agentgateway integrations docs have a OpenRouter provider page. (verified 2026-10-29)
- Arize Phoenix integrates with — Arize Phoenix docs have a OpenRouter integration page. (verified 2026-10-29)
- Bifrost (Maxim AI) integrates with — Bifrost supported-providers docs have a provider page for OpenRouter. (verified 2026-10-29)
- Braintrust integrates with — Braintrust docs have a OpenRouter integration page. (verified 2026-10-29)
- Cloudflare AI Gateway integrates with — Cloudflare AI Gateway docs have a OpenRouter provider page. (verified 2026-10-29)
- Comet ML integrates with — Comet's Opik docs have a OpenRouter integration page. (verified 2026-10-29)
- CrewAI integrates with — CrewAI LLM docs include an OpenRouter provider configuration section. (verified 2026-10-29)
- Fireworks AI integrates with — Fireworks AI docs integration: OpenRouter (upstream provider, LLM Gateways). (verified 2026-10-29)
- Haystack (framework) integrates with — Haystack integrations directory has an OpenRouter integration page ("Use the OpenRouter API for text generation models"). (verified 2026-10-29)
- Inspect AI integrates with — Inspect AI model-providers page documents a OpenRouter provider. (verified 2026-10-29)
- Laminar integrates with — Laminar integrations docs have a OpenRouter observability page. (verified 2026-10-29)
- LangChain (framework) integrates with — LangChain docs have an OpenRouter integration provider page (Unified API for models from multiple providers). (verified 2026-10-29)
- Langflow integrates with — Langflow components bundle: OpenRouter component. (verified 2026-10-29)
- Langfuse integrates with — Langfuse's integrations directory has a OpenRouter integration page. (verified 2026-10-29)
- Letta / MemGPT integrates with — Letta models docs list OpenRouter in the supported model provider table. (verified 2026-10-29)
- LiteLLM integrates with — LiteLLM docs have an OpenRouter provider page. (verified 2026-10-29)
- LiveKit Agents integrates with — LiveKit Agents docs have a OpenRouter model plugin page. (verified 2026-10-29)
- LlamaIndex (framework) integrates with — LlamaIndex has an official LLM integration package llama-index-llms-openrouter in its repo. (verified 2026-10-29)
- n8n (AI agent flows) integrates with — n8n built-in AI cluster node: OpenRouter Chat Model node. (verified 2026-10-29)
- Phidata (now Agno) integrates with — Agno ships a openrouter model provider module (agno.models.openrouter). (verified 2026-10-29)
- Pipecat (Daily) integrates with — Pipecat docs have a OpenRouter service page. (verified 2026-10-29)
- Portkey AI integrates with — Portkey docs have an OpenRouter LLM provider integration page. (verified 2026-10-29)
- Pydantic-AI integrates with — Pydantic AI docs have an OpenRouter model provider page. (verified 2026-10-29)
- Pydantic Logfire integrates with — Pydantic Logfire integrations docs have a OpenRouter Broadcast page. (verified 2026-10-29)
- Strands Agents (AWS) integrates with — Strands Agents docs have a community OpenRouter model provider integration page. (verified 2026-10-29)
- Temporal integrates with — Temporal integrations catalog lists OpenRouter model-gateway integration. (verified 2026-10-29)
- TrueFoundry AI Gateway integrates with — TrueFoundry AI Gateway docs have a OpenRouter model-provider page. (verified 2026-10-29)
- Vapi integrates with — Vapi docs list OpenRouter as a provider/integration. (verified 2026-10-29)
- Vercel AI SDK integrates with — AI SDK docs have an OpenRouter community provider page. (verified 2026-10-29)
- Weights & Biases integrates with — W&B Weave docs have a OpenRouter integration page. (verified 2026-10-29)