What is Claude Opus Latest?

Claude Opus Latest is a model from Anthropic, released on Apr 21, 2026. This model always redirects to the latest model in the Claude Opus family.

How much does Claude Opus Latest cost?

On the Respan gateway, input starts at $4.00 per 1M tokens on OpenRouter, and output starts at $20.00 per 1M tokens on OpenRouter, after gateway discounts.

Which providers serve Claude Opus Latest on Respan?

Claude Opus Latest is served by OpenRouter.

What is Claude Opus Latest's context window?

Claude Opus Latest accepts up to 1M tokens of context.

How do I use Claude Opus Latest with the Respan gateway?

Point any OpenAI-compatible SDK at https://api.respan.ai/api/ with your Respan API key and set the model to "claude-opus-latest". To set it up with a coding agent, copy the agent setup prompt at the top of this page.

How fast is Claude Opus Latest?

Over the last 30 days of requests through the Respan gateway, the fastest provider was OpenRouter at 16 tokens per second, and the lowest response latency was 3.4 seconds on OpenRouter. Speed varies with request size and provider.