Claude Sonnet 4.6 API AI Agent

Build autonomous AI agents with Claude Sonnet 4.6. Supports function calling, tool use, and multi-step reasoning โ€” perfect for agentic workflows that need to make decisions and take actions.

74% cheaper than OpenRouter

Claude Sonnet 4.6 Pricing

Token TypeQubaxRetailSave
Input (per 1M)$0.780$3.0074%
Output (per 1M)$3.90$15.0074%

An AI agent workload (50K input + 5K output tokens, 100 tasks/day) costs approximately $175.50/month on Qubax.

Why use Claude Sonnet 4.6 for AI agents on Qubax?

  • ๐Ÿค–Autonomous agents that call APIs and external tools
  • ๐Ÿค–Multi-step reasoning for complex task completion
  • ๐Ÿค–Agent orchestration with LangChain, CrewAI, or custom frameworks
  • ๐Ÿค–Function calling for structured, reliable agent responses

About Claude Sonnet 4.6

Claude Sonnet 4.6 is a text generation model available on Qubax. It supports a 1M-token context window and up to 64K output tokens per request. Native capabilities include reasoning, vision, tool calling, structured output, streaming, context caching. On Qubax it is served by 549 independent sellers, so pricing stays competitive and uptime stays high.

1M context window64K max output tokensBuilt-in reasoningVision / image inputFunction & tool callingJSON schema responsesPDF inputToken streaming

Claude Sonnet 4.6 AI Agent โ€” code example

Python โ€” tool-calling agent looppython
from openai import OpenAI
import json

client = OpenAI(
    base_url="https://api.qubax.ai/v1",
    api_key="qbx_live_YOUR_KEY",
)

tools = [{
    "type": "function",
    "function": {
        "name": "get_weather",
        "parameters": {"type": "object", "properties": {"city": {"type": "string"}}},
    },
}]

resp = client.chat.completions.create(
    model="claude-sonnet-4.6",
    messages=[{"role": "user", "content": "What's the weather in Tokyo?"}],
    tools=tools,
)
call = resp.choices[0].message.tool_calls[0]
print(json.loads(call.function.arguments))  # -> {"city": "Tokyo"}

More Anthropic models on Qubax

Get started in 60 seconds

  1. 1Create a free account at qubax.ai/register
  2. 2Add crypto credits (200+ coins, $3 minimum, credits never expire)
  3. 3Generate an API key and set your base URL to https://api.qubax.ai/v1
  4. 4Use model ID claude-sonnet-4.6 โ€” done!

Claude Sonnet 4.6 AI Agent FAQ

How much does Claude Sonnet 4.6 cost for AI agents?

On Qubax, Claude Sonnet 4.6 costs $0.780 per 1M input tokens and $3.90 per 1M output tokens. 74% cheaper than OpenRouter. Pay with 200+ cryptocurrencies.

Can I use Claude Sonnet 4.6 with my existing tools?

Yes. Qubax is fully OpenAI-compatible. Change your base URL to api.qubax.ai/v1 and use your Qubax key. Works with Cline, Cursor, OpenCode, LangChain, and any OpenAI SDK.

Do I need a credit card?

No. Qubax accepts 200+ cryptocurrencies. No credit card, no KYC.

Start using Claude Sonnet 4.6 for AI agents

No credit card. Crypto accepted. Credits never expire.

Get started โ†’
Claude Sonnet 4.6 API for AI Agent โ€” 74% off ยท Qubax AI