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Anthropic: Claude Sonnet 4.5 (batch): AI model

Context window:
1,000,000 tokens
Input:
$1.5/1M tokens
Output:
$7.5/1M tokens
Type:
text, image
  • Vision
  • Tools
  • Streaming
  • Long context

Thinking levels:

Anthropic: Claude Sonnet 4.5 (batch) is a AI model from Anthropic, available through Hormouz via an OpenAI-compatible API with stable access from inside Iran.

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...

Quickstart

curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "anthropic/claude-sonnet-4.5:batch",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Specs

VendorAnthropic
TypeText, Image
Context window1,000,000 tokens
Pricing$1.50/M in · $7.50/M out
APIChat Completions
CapabilitiesStreaming · Vision · Tools

Benchmarks

Reasoning

GPQA Diamond
Graduate-level scientific reasoning
72.7%
HLE
Humanity's Last Exam
7.2%
IFBench
Instruction-following
42.7%
AA-LCR
Long-context reasoning
54%
CritPt
Research-level physics reasoning
0%
AA Omniscience
Broad factual knowledge accuracy
28.4%
Non-Hallucination
Rate of avoiding fabricated answers
47.3%

Coding

Terminal-Bench Hard
Agentic coding & terminal use
28.8%

Agentic

τ²-Bench
Tool-use agents in dual-control scenarios
70.5%

Source: Artificial Analysis

Design Arena

How Design Arena works ↗
3D
Top 45%
1,168Elo
Win rate: 51%Avg time: 66.4s
ASCII Art
Top 39%
1,186Elo
Win rate: 51.7%Avg time: 56.9s
Code
Top 41%
1,189Elo
Win rate: 51.5%Avg time: 98.4s
Data Viz
Top 54%
1,176Elo
Win rate: 47.4%Avg time: 73.7s
Game Dev
Top 47%
1,179Elo
Win rate: 51.1%Avg time: 96.6s
SVG
Top 66%
1,107Elo
Win rate: 49%Avg time: 27.6s
UI Component
Top 54%
1,168Elo
Win rate: 47.3%Avg time: 84.4s
Website
Top 44%
1,196Elo
Win rate: 51.8%Avg time: 108s
Full-Stack
Top 82%
1,049Elo
Win rate: 43.7%
Mobile Apps
Top 70%
1,134Elo
Win rate: 52.9%
Web Apps
Top 88%
1,053Elo
Win rate: 43.2%

Metrics sourced from Design Arena

Code example

cURL
curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "anthropic/claude-sonnet-4.5:batch",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
Python
from openai import OpenAI
client = OpenAI(api_key="ng-YOUR_API_KEY", base_url="https://api.hormouz.net/v1")
response = client.chat.completions.create(
    model="anthropic/claude-sonnet-4.5:batch",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)
JavaScript
import OpenAI from "openai";
const client = new OpenAI({ apiKey: "ng-YOUR_API_KEY", baseURL: "https://api.hormouz.net/v1" });
const response = await client.chat.completions.create({
  model: "anthropic/claude-sonnet-4.5:batch",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

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Updated 2026-10-13