New from Anthropic

Claude Opus 5.5 online, pay per use

Anthropic released Claude Opus 5.5 on September 22, 2026, as the successor to Claude Opus 5: the same 1 million token context window, text, images and files as input, and a lower price of 4 USD in and 20 USD out per million tokens. On avots.ai you run it pay per use, with no Claude Pro or Max plan, and the same balance covers GPT-6, Gemini, Grok and 40+ image, video and music models.

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Specs

Claude Opus 5.5 at a glance

1M token context

About a million tokens in one conversation, enough for a large repository or a stack of long documents.

4 USD in, 20 USD out

Per million tokens, down from 5 USD and 25 USD on Claude Opus 5.

Up to 128K output

Long answers and long code edits in one reply, up to 128,000 tokens.

Text, images and files

Send screenshots, diagrams, scanned pages and documents alongside your prompt.

Effort you control

Reasoning effort settings trade cost against depth, so simple tasks stay cheap.

Fast first words

In our own test the first words of an answer arrived in about 4 seconds on a chat question and about 18 seconds on a heavy coding request.

Compare

Claude Opus 5.5 next to Opus 5, GPT-6 Sol and Grok 4.7

 Claude Opus 5.5Claude Opus 5GPT-6 SolGrok 4.7
Price per 1M in / out$4 / $20$5 / $25$2 / $10$1.60 / $4.80
Context window1M tokens1M tokens1.05M tokens500K tokens
Inputtext, images, filestext, images, filestext, images, filestext, images, files
ReleasedSeptember 22, 2026July 24, 2026September 22, 2026September 21, 2026
On avots.aipay per usepay per usepay per usepay per use

Prices are the providers' list rates per million tokens. On avots.ai every model runs from one balance, so you can put them side by side on the same prompt and keep the best answer.

Good at

What Claude Opus 5.5 is good at

Hard reasoning

Anthropic positions Opus 5.5 for demanding reasoning where a quick model gives a shallow answer.

Large codebases

Multi-step changes across many files, code review and bug hunting in long contexts.

Long agent runs

Tool use over many steps, the kind of work where the model has to keep the goal in view.

Documents and images

Contracts, reports, screenshots and charts in the same conversation as your questions.

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Three steps

How to use Claude Opus 5.5

Create an account

Sign up on app.avots.ai with email, Google or Telegram. Takes a minute.

Top up from 0.99 EUR

1,000 tokens cost 0.99 EUR. No plan to choose, no renewal, the balance sits there until you use it.

Pick Claude Opus 5.5

Choose it in the model picker, or let Agent Avots route hard questions to it. Every reply shows its token cost.

One balance

Where you can use Claude Opus 5.5

Web app

app.avots.ai on desktop and mobile, no install needed.

Telegram

Claude Opus 5.5 in @AvotsAIbot, same balance, from any phone.

MCP

Use it inside Claude Desktop, Cursor or Cline via the MCP server.

Try Claude Opus 5.5 for under a euro

1,000 tokens cost 0.99 EUR and a short Opus 5.5 answer costs a handful of them. The same balance unlocks GPT-6, Gemini, Grok, Veo video and Nano Banana images, with no Claude subscription.

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More models

Related AI models

Claude Opus 5

The previous Opus, still available on the same balance.

Claude Sonnet 5

Anthropic's faster Sonnet, 1M context, strong at agentic work.

Grok 4.7

The newest Grok, 500K context, strong at coding.

avots.ai runs 40+ AI models for chat, image, video and audio on one balance. See the full list on the Tools page or open the app and start creating.

Browse all model pages Open the app
FAQ

Claude Opus 5.5 questions

What is Claude Opus 5.5?
Claude Opus 5.5 is Anthropic's flagship model, released on September 22, 2026 as the successor to Claude Opus 5. It reads about a million tokens of context, accepts text, images and files, and can answer with up to 128,000 tokens.
How much does Claude Opus 5.5 cost on avots.ai?
Pay per use, no subscription. Claude Opus 5.5 costs 4 USD per million input tokens and 20 USD per million output tokens, less than the 5 USD and 25 USD of Claude Opus 5. Top up from 0.99 EUR for 1,000 avots tokens and every reply shows its cost.
Is Claude Opus 5.5 better than Opus 5?
It is the newer model at a lower price with the same 1M context window. For most tasks it is the one to pick; Opus 5 stays on the same balance if you want to compare them on your own prompt.
How fast is Claude Opus 5.5?
In our own streamed test on avots.ai the first words arrived in about 4 seconds for a chat question and about 18 seconds for a heavy coding request. Long answers then stream as they are written.
Can I use Claude Opus 5.5 without a Claude subscription?
Yes. avots.ai routes to the real Anthropic model through official APIs, so there is no Claude Pro or Max plan to buy. One balance covers 40+ models in the web app, Telegram, MCP and the API.
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