Claude Sonnet 4 5 (2025-09-29)

claude-sonnet-4-5-20250929 by Anthropic Released September 30, 2025
ReasoningFunction callingStructured outputPrompt cachingWeb searchComputer useImage inputFile inputAudio inputVideo inputEU hostingFree endpointUp to % off
Input from
$3 / 1M
Output from
$15 / 1M
Cached input from
$0.3 / 1M
Context window
1M
Endpoints
4
from 2 providers
Regions
Global, Europe, United States

About Claude Sonnet 4 5 (2025-09-29)

Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows.

Claude Sonnet 4 5 (2025-09-29) is a chat model by Anthropic, available on Eden AI through 4 endpoints from 2 providers, from $3 per million input tokens and $15 per million output tokens, with a context window of up to 1M tokens.

Providers and prices

4 endpoints from 2 providers, cheapest first, in USD per million tokens. Every one is called with the same Eden AI key: pin one with its endpoint ID, or let Eden AI route for you. Above 200K tokens: $6 input / $22.5 output per 1M.

Endpoint
Region
Context
Input / 1M
Output / 1M
Cached / 1M
Supports
Amazon Web ServicesOfficial−%amazon/anthropic.claude-sonnet-4-5-20250929-v1:0
Global
200K
$3$3
$15
$0.3
ReasoningToolsJSONCacheVisionWeb
AnthropicOfficial−%anthropic/claude-sonnet-4-5-20250929
Global
1M
$3$3
$15
$0.3
ReasoningToolsJSONCacheVisionWeb
Amazon Web Services (Europe)Official−%amazon/anthropic.claude-sonnet-4-5-20250929-v1:0@eu
Europe
200K
$3.3$3.3
$16.5
$0.33
ReasoningToolsJSONCacheVisionWeb
Amazon Web Services (United States)Official−%amazon/anthropic.claude-sonnet-4-5-20250929-v1:0@us
United States
200K
$3.3$3.3
$16.5
$0.33
ReasoningToolsJSONCacheVisionWeb

Performance

Measured on real Eden AI traffic over the last 30 days. Endpoints with too little traffic are not shown.

Fastest first token
1.06 s
Anthropic
Lowest latency
2.96 s
Amazon Web Services
Highest throughput
45.03 tok/s
Amazon Web Services
Best availability
100%
Amazon Web Services
Endpoint
First token
Latency p50
Latency p95
Throughput
Availability
Cache hits
Tool errors
JSON errors
Amazon Web Services
1.49 s
2.96 s
5.73 s
45.03 tok/s
100%
18.92%
0%
0%
Anthropic
1.06 s
3.4 s
22.34 s
38.88 tok/s
100%
32.35%
2%
0%
Amazon Web Services (Europe)
s
s
s
tok/s
%
%
%
%
Amazon Web Services (United States)
s
s
s
tok/s
%
%
%
%

Estimate your monthly cost

Enter your expected volume to compare every endpoint at once.

Call Claude Sonnet 4 5 (2025-09-29) with Eden AI

Use the model ID to let Eden AI pick an endpoint, or an endpoint ID from the table above to pin one.

import requests

response = requests.post(
    "https://api.edenai.run/v3/chat/completions",
    headers={"Authorization": "Bearer YOUR_EDENAI_API_KEY"},
    json={
        "model": "",
        "messages": [{"role": "user", "content": "Hello!"}],
    },
)
print(response.json())

Questions about Claude Sonnet 4 5 (2025-09-29)

On Eden AI, prices for this model start at $3 per million input tokens and $15 per million output tokens. Prices differ by endpoint; the providers table lists each one. Above 200K tokens: $6 input / $22.5 output per 1M.

Up to 1M tokens, depending on the endpoint.

4 endpoints from 2 providers, available in: Global, Europe, United States. All of them are called with the same Eden AI API key.

Yes. At least one endpoint is hosted in Europe; pin it with its endpoint ID from the providers table to keep requests in the EU.

Over the last 30 days, the fastest first token was 1.06 s (Anthropic) and the highest throughput was 45.03 tokens per second (Amazon Web Services).