Claude Opus 4.6
Claude Opus 4.6 is an Anthropic model available in Quad Chat, with up to 1M tokens of context, image input, tool calling and adjustable reasoning.
Claude Opus 4.6 at a glance
| Lab | Anthropic |
|---|---|
| Available on | Ultra plan and up |
| Context window | 1M tokens |
| Max output | 128K tokens |
| Image input | Yes |
| Tool calling | Yes |
| Reasoning | Yes |
| Privacy lane | Private (Zero Data Retention) |
How to use Claude Opus 4.6 in Quad Chat
- Create a free account or sign in.
- Open the model picker and choose Claude Opus 4.6.
- Ask, attach files, or compare the answer with another model.
Frequently asked questions
Can I use Claude Opus 4.6 for free?
Claude Opus 4.6 needs the Ultra plan ($40/month) or higher. The Free plan needs no credit card and includes other chat models, so you can try Quad Chat first and upgrade when you need Claude Opus 4.6. Yearly billing is 15% less than paying monthly.
What is the context window of Claude Opus 4.6?
Claude Opus 4.6 accepts up to 1M tokens of context and can write up to 128K tokens in one reply, according to the model catalog Quad Chat routes through. Files, pasted text and earlier messages all count toward that window.
Does Claude Opus 4.6 support images, tools and reasoning?
Claude Opus 4.6 accepts images as input, so you can attach screenshots, photos and scanned pages. It supports tool calling. It can reason before it answers, with adjustable effort (low, medium, high and xhigh). You can switch to another model in the same conversation at any time.
Is Claude Opus 4.6 private in Quad Chat?
Claude Opus 4.6 runs on the Quad Chat Private Lane, routed to providers under Zero Data Retention terms. Quad Chat does not train models on your conversations, encrypts chats in transit and at rest, and lets you export or delete them at any time.
How much does Claude Opus 4.6 cost in Quad Chat?
Quad Chat plans have a flat monthly price and draw usage from shared credits, not a per-token bill. The model picker shows an estimate before you send. For reference, the provider's API list price is $5.00 per million input tokens and $25.00 per million output tokens.
Can I compare Claude Opus 4.6 with other models?
Yes. Send one prompt to Claude Opus 4.6 and one or two other models, such as Claude Opus 5.5, Claude Opus 5 and Claude Opus 4.8, and compare the answers side by side in the same thread. You can also switch models mid-conversation without losing your files or context.
Related models
- Claude Opus 5.5 — Anthropic, Ultra plan and up
- Claude Opus 5 — Anthropic, Ultra plan and up
- Claude Opus 4.8 — Anthropic, Ultra plan and up
- Claude Opus 4.7 — Anthropic, Ultra plan and up
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