---
id: "10"
slug: "claude-4-1-models"
date: "2025-08-06"
title: "Claude 4.1 Models: Opus and Sonnet Now Available"
summary: "Added support for Claude 4.1 models including claude-opus-4-1, claude-opus-4-20250514, and claude-sonnet-4-20250514 via Anthropic provider."
image:
  src: "/changelog/claude-4.1.png"
  alt: "Dashboard showing new Claude 4.1 models via Anthropic provider"
  width: 1768
  height: 677
---

We're excited to announce support for the latest Claude 4.1 models through our [Anthropic provider](/providers/anthropic), bringing you the most advanced AI capabilities with improved reasoning and performance from Anthropic.

## 🚀 New Model: Claude Opus 4.1

The flagship model offering exceptional performance across all tasks:

**Model Identifiers**:

- [`anthropic/claude-opus-4-1`](/models/claude-opus-4-1)

**Context Window**: 200K tokens

**Pricing**:

- **Input**: $15.00 per 1M tokens
- **Output**: $75.00 per 1M tokens

Perfect for the most demanding tasks requiring advanced reasoning and analysis.

## 🤖 New Model: Claude Opus 4 (May 2025)

Enhanced version with improved efficiency and performance:

**Model Identifiers**:

- [`anthropic/claude-opus-4-20250514`](/models/claude-opus-4-20250514)

**Context Window**: 200K tokens

**Pricing**:

- **Input**: $3.00 per 1M tokens
- **Output**: $15.00 per 1M tokens

Ideal for complex tasks with better cost-efficiency than the flagship model.

## ⚡ New Model: Claude Sonnet 4 (May 2025)

Balanced model optimized for speed and intelligence:

**Model Identifiers**:

- [`anthropic/claude-sonnet-4-20250514`](/models/claude-sonnet-4-20250514)

**Context Window**: 200K tokens

**Pricing**:

- **Input**: $3.00 per 1M tokens
- **Output**: $15.00 per 1M tokens

Perfect for most applications requiring fast, intelligent responses.

Read [Anthropic's official announcement](https://www.anthropic.com/news/claude-opus-4-1?utm_source=llmgateway.io) to learn more about these models.
