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OpenRouter Raises $113M Series B

OpenRouter has raised a $113M Series B led by CapitalG, with participation from NVentures, ServiceNow Ventures, MongoDB Ventures, Snowflake Ventures, Databricks Ventures, AMP PBC, and Pace Capital, alongside existing investors Andreessen Horowitz and Menlo Ventures.

May 28, 2026

Surpassing Frontier Performance with Fusion

A panel of budget models, fused through OpenRouter, outscored GPT-5.5 and Claude Opus 4.8 on 100 complex research tasks.

June 12, 2026

May Release Spotlight

Speech and transcription APIs, Model Fusion, private models, enterprise workspace controls, and 20 new model launches including Gemini 3.5 Flash and Claude Opus 4.8.

June 1, 2026

DeepSeek V4 Is Earning Agentic Token Share

DeepSeek doubled its token share on OpenRouter in six months. V4 Flash is the model that made it happen, and agentic workloads are driving the surge.

June 30, 2026

The Open Weight Models that Matter: June 2026

A slew of compelling open-weight models have shipped from new players in both China and the US. As of June 2026, these are the four open-weight models that matter the most — and when to reach for each.

June 27, 2026

The OpenRouter MCP Server

Connect your coding agent to OpenRouter's live model catalog, benchmarks, docs, and test inference, all without leaving your editor.

June 25, 2026

Introducing the Unified Image API

A dedicated Image API with capability discovery across 30+ models from 8 providers. One endpoint tells your code what each model can do.

June 23, 2026

AI Governance Checklist: Your LLM Architecture Comes First

Policy language can't show who called which model or where the audit trail lives. Map your governance checklist to the three routing postures your stack can actually prove.

June 22, 2026

How to Enforce AI Data Residency Without Building Local Infrastructure

If your procurement team flagged country of origin, you don't need to build local infrastructure. For API teams, data residency is a routing constraint you enforce in a single request.

June 22, 2026

OpenRouter vs Portkey: Which LLM Gateway for Your Team?

OpenRouter routes across providers on credits you buy; Portkey governs the provider keys you already have. Here's how they compare on models, observability, compliance, and price.

June 19, 2026

OpenRouter vs LiteLLM: Which LLM Gateway Fits Your Stack?

OpenRouter is a managed gateway; LiteLLM is a self-hosted proxy. Here's how they compare on cost, data residency, routing, and latency.

June 19, 2026

Connect OpenClaw to OpenRouter

OpenClaw has built-in OpenRouter support. One command gives your agents one key, one bill, and automatic failover across 300+ models. Here's the setup and the fixes for the errors that trip people up.

June 18, 2026

How to Connect SillyTavern to OpenRouter (2026 Guide)

One OpenRouter key gives SillyTavern 300+ models in a single dropdown, many of them free to start. Here's the five-step connection, the roleplay models to try, and fixes for the errors users hit most.

June 18, 2026

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