Claude Sonnet 4.5 (via OpenRouter)

anthropic/claude-sonnet-4.5

CHAT High tier ReasoningMultimodal

Claude Sonnet 4.5 (via OpenRouter) (anthropic/claude-sonnet-4.5) is a chat model from openrouter with a 1M-token context window; capabilities tools, vision, reasoning; input image, text.

1MContext

1MMax output

$3$ / 1M in

Pricing

Input: $3 / 1M tokens
Output: $15 / 1M tokens
Currency: USD
Note: Indicative US list price — verify with the vendor.

Indicative US list price — a reference only, verify with the vendor. Source: litellm. Last verified 2026-07-22.

Specifications

Context window: 1,000,000 tokens (1M)
Max output: 1,000,000 tokens
Input modalities: image text

Capabilities

tools vision reasoning

Provenance

committedlitellmoverrides

Last verified: 2026-07-22

Related models

Claude 3 Haiku (via OpenRouter)

anthropic/claude-3-haiku

openrouter · CHAT · 200K ctx

Llama 3 70B Instruct (via OpenRouter)

meta-llama/llama-3-70b-instruct

openrouter · CHAT · 8.2K ctx

Gemini 2.0 Flash (via OpenRouter)

google/gemini-2.0-flash-001

openrouter · CHAT · 1.0M ctx

GPT-4o (via OpenRouter)

openai/gpt-4o

openrouter · CHAT · 128K ctx

DeepSeek Chat (via OpenRouter)

deepseek/deepseek-chat

openrouter · CHAT · 65.5K ctx

Markdown · Vendor JSON · Full catalog · All openrouter models