Claude Opus 5.5 API Chatbots

Claude Opus 5.5 Pricing

Running a chatbot (2K input + 500 output tokens, 1,000 conversations/day) costs approximately $140.40/month on Qubax.

Why use Claude Opus 5.5 for chatbots on Qubax?

• 💬Customer support chatbots with 24/7 availability
• 💬AI assistants that remember conversation context
• 💬Multi-language chatbots serving global audiences
• 💬Streaming responses for instant perceived speed

About Claude Opus 5.5

Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebases, code... It supports a 1M-token context window and up to 128K output tokens per request. Native capabilities include reasoning, vision, tool calling, structured output, streaming, context caching. On Qubax it is served by 32 independent sellers, so pricing stays competitive and uptime stays high.

Claude Opus 5.5 Chatbots — code example

import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.qubax.ai/v1",
  apiKey: process.env.QUBAX_KEY,
});

const stream = await client.chat.completions.create({
  model: "claude-opus-5.5",
  messages: [...history, { role: "user", content: userMessage }],
  stream: true,
});
for await (const chunk of stream) {
  process.stdout.write(chunk.choices[0]?.delta?.content ?? "");
}

More Anthropic models on Qubax

Claude Opus 5.5 Chatbots FAQ