Claude Sonnet 4.5 - API in Egypt, billed in EGP

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Anthropicclaude-sonnet-4.5

Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with

Modality

Chat

Context window

1M tokens

Max output

64K tokens

Region

US

Weights

Proprietary

Published

Jul 18, 2026

Pricing

Input

166.78

EGP per 1M tokens

Output

833.91

EGP per 1M tokens

Monthly cost example

20,847.75 EGP

Illustrative estimate: 50M input + 15M output tokens per month at this model's catalog rates.

Use it via the API

Claude Sonnet 4.5 works with any OpenAI-compatible SDK — point the base URL at https://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://backend.sovereigneg.com/v1",
    api_key="YOUR_API_KEY",
)

response = client.chat.completions.create(
    model="claude-sonnet-4.5",
    messages=[
        {"role": "user", "content": "What are some fun things to do in Cairo?"}
    ],
)

print(response.choices[0].message.content)

Frequently asked questions

How much does Claude Sonnet 4.5 cost?

166.78 EGP per 1M input tokens; 833.91 EGP per 1M output tokens. Billing is metered per token in Egyptian pounds (EGP), with no minimum commitment.

What is the context window of Claude Sonnet 4.5?

Claude Sonnet 4.5 supports a context window of 1,000,000 tokens (1M), with up to 64,000 output tokens per response.

Where is Claude Sonnet 4.5 hosted?

Claude Sonnet 4.5 is served from US (US-hosted inference).

Is Claude Sonnet 4.5 an open-weights model?

No — Claude Sonnet 4.5 is a proprietary model. It is available through the SovereignEG API with per-token EGP billing.

How do I use Claude Sonnet 4.5 via the API?

Claude Sonnet 4.5 is available through the OpenAI-compatible SovereignEG API: point your SDK's base URL at https://backend.sovereigneg.com/v1 and call /v1/chat/completions with model "claude-sonnet-4.5" and your API key.