Anthropic: Claude Sonnet 4 - API in Egypt, billed in EGP
Liveclaude-sonnet-4Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),
Modality
Chat
Context window
200K tokens
Max output
64K tokens
Region
US
Published
29 Sept 2026
Pricing
Input
171.90
EGP per 1M tokens
Output
859.52
EGP per 1M tokens
Monthly cost example
21,488.08 EGP
Illustrative estimate: 50M input + 15M output tokens per month at this model's catalog rates.
Use it via the API
Anthropic: Claude Sonnet 4 works with any OpenAI-compatible SDK — point the base URL at https://dev-backend.sovereigneg.com/v1 and use your SovereignEG API key.
Run inference
OpenAI-compatible — POST /v1/chat/completions — drop-in for any OpenAI SDK.
from openai import OpenAI
client = OpenAI(
base_url="https://dev-backend.sovereigneg.com/v1",
api_key="YOUR_API_KEY",
)
response = client.chat.completions.create(
model="claude-sonnet-4",
messages=[
{"role": "user", "content": "What are some fun things to do in Cairo?"}
],
)
print(response.choices[0].message.content)import OpenAI from "openai"
const client = new OpenAI({
baseURL: "https://dev-backend.sovereigneg.com/v1",
apiKey: "YOUR_API_KEY",
})
const response = await client.chat.completions.create({
model: "claude-sonnet-4",
messages: [
{ role: "user", content: "What are some fun things to do in Cairo?" },
],
})
console.log(response.choices[0].message.content)curl https://dev-backend.sovereigneg.com/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "claude-sonnet-4",
"messages": [
{"role": "user", "content": "What are some fun things to do in Cairo?"}
]
}'Frequently asked questions
How much does Anthropic: Claude Sonnet 4 cost?
171.90 EGP per 1M input tokens; 859.52 EGP per 1M output tokens. Billing is metered per token in Egyptian pounds (EGP), with no minimum commitment.
What is the context window of Anthropic: Claude Sonnet 4?
Anthropic: Claude Sonnet 4 supports a context window of 200,000 tokens (200K), with up to 64,000 output tokens per response.
Where is Anthropic: Claude Sonnet 4 hosted?
Anthropic: Claude Sonnet 4 is served from US (US-hosted inference).
How do I use Anthropic: Claude Sonnet 4 via the API?
Anthropic: Claude Sonnet 4 is available through the OpenAI-compatible SovereignEG API: point your SDK's base URL at https://dev-backend.sovereigneg.com/v1 and call /v1/chat/completions with model "claude-sonnet-4" and your API key.
Related models
View all models →Anthropic: Claude Fable 5
Anthropic · Chat · 1M context
573.02 EGP / 1M input tokens
Anthropic: Claude Fable 5.1
Anthropic · Chat · 1M context
573.02 EGP / 1M input tokens
Anthropic: Claude Opus 4.1
Anthropic · Chat · 200K context
859.52 EGP / 1M input tokens
Anthropic: Claude Opus 4.5
Anthropic · Chat · 200K context
286.51 EGP / 1M input tokens