Claude Sonnet 4.6 API
The recommended Claude model for most use cases. Excellent balance of capability and cost.
💰 Save up to 70% vs official Anthropic pricingTechnical Specifications
| Provider | Anthropic |
| Model Family | Claude Sonnet 4.6 |
| Release Date | 2026-05 |
| Context Window | 1M |
| Max Output Tokens | 32,768 |
| Input Price | $3.00 / 1M tokens |
| Output Price | $15.00 / 1M tokens |
| Vision Support | Yes ✓ |
| Function Calling | Yes ✓ |
| JSON Mode | No |
| Streaming | Yes ✓ |
| Fine Tuning | Not Available |
| Status | Active ✓ |
Overview
Claude Sonnet 4.6 is Anthropic's current sonnet-class AI model, released in 2026-05. The recommended Claude model for most use cases. Excellent balance of capability and cost.
With a 1M context window and maximum output of 32,768 tokens, Claude Sonnet 4.6 is well-suited for best value premium and code generation. At $3.00/1M input and $15.00/1M output, it offers premium pricing within the Anthropic ecosystem.
Claude Sonnet 4.6 supports 4 capabilities: Vision, Tool Use, Extended Thinking, Streaming. Fine-tuning is not available for this model. The model serves as an best value premium solution for developers building multimodal AI applications.
Through AI API Hub, you can access Claude Sonnet 4.6 with USDT & USDC payments, no credit card required. All via a fully OpenAI-compatible API — just change your base URL and start building in 30 seconds.
API Examples
Python
from openai import OpenAI
client = OpenAI(
api_key="YOUR_API_KEY",
base_url="https://api.apiyihe.org/v1"
)
response = client.chat.completions.create(
model="claude-sonnet-4.6",
messages=[
{"role": "user", "content": "Hello"}
]
)
print(response.choices[0].message.content)JavaScript / Node.js
import OpenAI from "openai";
const client = new OpenAI({
apiKey: process.env.API_KEY,
baseURL: "https://api.apiyihe.org/v1"
});
const response = await client.chat.completions.create({
model: "claude-sonnet-4.6",
messages: [
{ role: "user", content: "Hello" }
]
});
console.log(response.choices[0].message.content);cURL
curl https://api.apiyihe.org/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
"model": "claude-sonnet-4.6",
"messages": [
{"role": "user", "content": "Hello"}
]
}'Compare Alternatives
Frequently Asked Questions
What is Claude Sonnet 4.6?
Claude Sonnet 4.6 is Anthropic's current sonnet model. The recommended Claude model for most use cases. Excellent balance of capability and cost.. It features a 1M context window, supports Vision, Tool Use, Extended Thinking, and is available through AI API Hub with USDT/USDC payments.
How much does Claude Sonnet 4.6 cost?
Claude Sonnet 4.6 pricing: $3.00 per 1M input tokens, $15.00 per 1M output tokens. Pay-as-you-go with no minimum commitment. Sign up at AI API Hub and start with as little as $5.
Claude Sonnet 4.6 vs GPT-5.5?
Claude Sonnet 4.6: $3.00/$1M input, 1M context. GPT-5.5: $5.00/$1M input, 256K context. Claude Sonnet 4.6 is more cost-effective. Best value premium. Compare them at /compare/claude-sonnet-4.6-vs-gpt-5.5/.
Claude Sonnet 4.6 context window?
Claude Sonnet 4.6 has a 1M context window, capable of processing up to 1,000,000 tokens in a single request. Maximum output tokens: 32,768.
Does Claude Sonnet 4.6 support function calling?
Yes, Claude Sonnet 4.6 supports function/tool calling, allowing you to define functions that the model can invoke. This enables AI agents, API integrations, and structured data extraction.
Is Claude Sonnet 4.6 multimodal?
Partially — Claude Sonnet 4.6 supports vision (image input) but not native audio processing.
Claude Sonnet 4.6 API rate limits?
Claude Sonnet 4.6 rate limits: 5K RPM. Higher tier plans offer increased throughput. For high-volume production use, consider Anthropic's faster variant models.
How to access Claude Sonnet 4.6 API?
Access Claude Sonnet 4.6 through AI API Hub: (1) Register at api.apiyihe.org/register?aff=8JZC, (2) Deposit USDT/USDC, (3) Get your API key instantly, (4) Use the OpenAI-compatible endpoint https://api.apiyihe.org/v1 with model name "claude-sonnet-4.6". Start building in under 30 seconds.