Blogsby GlyphUsing OpenRouter With LangChain: ChatOpenRouter Setup Guide
The LangChain integration now has a dedicated package: langchain-openrouter on PyPI and @langchain/openrouter on npm. Most guides still teach the old ChatOpenAI base_url override.
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Wed Jul 291 post
Tue Jul 281 post
How to Evaluate LLM Provider Performance Across Latency, Throughput, and Uptime
The same model behaves differently across provider endpoints. Infrastructure, quantization, load handling, and routing defaults all change the result.
Mon Jul 271 post
Image Generation Models: Choosing One, Fixing Errors
The image catalog covers ten labs and the slugs change monthly. Here's how to narrow it down by job, parameter support, and price, plus what each Image API error message means and how to fix it.
Fri Jul 241 post
Classifiers: Track What Your Agents Do and What It Costs
Define a taxonomy and a small model tags every generation in your workspace by department, task type, or agent complexity. Filter your logs and group your Activity analytics by the results.
Wed Jul 221 post
Transcription on OpenRouter
Send base64 audio to POST /api/v1/audio/transcriptions and get JSON text plus a usage object back, with the same API key you already use for chat. Here's the full request contract, the model families, and the limits to design around.
Tue Jul 211 post
The Cheapest Token Is a Cached One: Prompt Caching + Sticky Routing
Your agent sends the same system prompt, tool definitions, and schemas on every turn. Cache reads cost 0.1x to 0.5x of fresh input, but only if the next request lands on the provider holding the warm cache.
Thu Jul 161 post
Every Modality Through One API
Chat, image generation, embeddings, and transcription usually mean four SDKs, four bills, and four auth schemes. On OpenRouter every modality runs through one base URL: you change the model string and the content type, and the same routing...
Mon Jul 132 posts
Why Use OpenRouter for DeepSeek
DeepSeek is one model served by 16 providers, at prices that vary by about 4x and throughput from 4 to 57 tokens per second. Here's what routing that spread through one slug actually buys you, and when going direct is the better call.
A New Look for OpenRouter
Built from first principles and grounded in timeless Bauhaus philosophy, our new brand identity marks the beginning of our next chapter.