Announcements and Blog

Opus 4.7's New Tokenizer: What It Actually Costs

Anthropic changed the tokenizer in Opus 4.7. We looked at usage that shifted from 4.6 to 4.7 to measure exactly how it affects costs.

April 27, 2026

Build Your Own Harness with the Agent SDK

Use the create-agent-tui and create-headless-agent skills to scaffold a personalized coding agent in minutes — with a terminal UI or headless for scripts and pipelines.

April 24, 2026

Agent SDK: Building Multi-turn Agent Workflows on OpenRouter

The OpenRouter Agent SDK gives you callModel: one function that turns a chat completion into a multi-step agent with tool calls, stop conditions, and cost tracking across 300+ models.

April 24, 2026

Introducing Workspaces

Organize your OpenRouter projects into separate environments, each with its own API keys, routing defaults, guardrails, and observability.

April 22, 2026

Announcing Video Generation

Video generation is now live on OpenRouter. One API gives you access to the top video models.

April 15, 2026

Auto Exacto: Adaptive Quality Routing, On by Default

Auto Exacto re-evaluates providers every 5 minutes across throughput, tool-call telemetry, and benchmark scores. For requests that include tools, it's on by default.

March 12, 2026

February Release Spotlight

Benchmarks on model pages, a new free model router, and improved cost transparency between providers.

February 23, 2026

OpenRouter Outages on February 17 and 19, 2026

What happened and what have we done to prevent this happening again?

February 20, 2026

January Release Spotlight

Prioritize fast LLMs, explore providers, customize the auto router, load skills in the SDK, and big performance improvements.

January 9, 2026

Distillable Models and Synthetic Data Pipelines with NeMo Data Designer

How to generate license-safe synthetic data workflows for model specialization

December 24, 2025

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