How much does Claude 3.5 Sonnet cost?

Claude 3.5 Sonnet is billed pay-as-you-go at $0.59 per 1M input tokens and $2.93 per 1M output tokens. There is no subscription — you only pay for what you use.

What is the context window of Claude 3.5 Sonnet?

Claude 3.5 Sonnet supports a context window of up to 200K tokens. It can return up to 8K tokens in a single response.

What can Claude 3.5 Sonnet do?

Claude 3.5 Sonnet supports Vision, Tool calling, Documents, Prompt caching.

Is Claude 3.5 Sonnet free to use?

Claude 3.5 Sonnet is a paid, pay-as-you-go model — no subscription, you are only charged for usage.

How do I use Claude 3.5 Sonnet via the API?

Claude 3.5 Sonnet is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID claude-3-5-sonnet-20240620 with your Api.Airforce API key.

Who makes Claude 3.5 Sonnet?

Claude 3.5 Sonnet is Anthropic's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

AnthropicPaidOperational

Claude 3.5 Sonnet

API model name: claude-3-5-sonnet-20240620

Claude 3.5 Sonnet is Anthropic's chat model, served on the Api.Airforce unified API. It has a 200K-token context window. Beyond text, it accepts image, document as input. Capabilities include Vision, Tool calling, Documents, Prompt caching. It is priced at $0.59 per million input tokens and $2.93 per million output tokens. Knowledge cutoff: 2024-04. Access it through the OpenAI-compatible API with one key, alongside 100+ other models on Api.Airforce.

Get an API key View pricing

Pricing

Input / 1M tokens

$0.59

Output / 1M tokens

$2.93

Cache read / 1M tokens

$0.07

Cache write / 1M tokens

$0.73

Specifications

Provider: Anthropic
Type: chat model
Context window: 200K tokens
Max output: 8K tokens
Knowledge cutoff: 2024-04
Input: text, image, document
Output: text
Prompt caching: Supported

Capabilities

VisionTool callingDocumentsPrompt cachingStreaming

What is Claude 3.5 Sonnet used for?

Chatbots & assistants — conversational AI, drafting, summarizing and Q&A.
Image understanding — analyze photos, screenshots, charts and scanned documents.
Agents & automation — function calling and tool use for multi-step workflows.
Document analysis — summarize and answer questions across long files.
Long-context tasks — process entire documents or codebases in a single prompt.
Real-time experiences — stream tokens for responsive chat and apps.

Claude 3.5 Sonnet vs. similar models

Model	Intelligence	Context	Input / 1M	Output / 1M
Claude 3.5 Sonnet	—	200K	$0.59	$2.93
[SP]claude Opus 4.6	—	—	$26.52	$0.02
[SP]claude Opus 4.7	—	—	$26.52	$0.02
[SP]claude Opus 4.8	—	—	$26.52	$0.02

Prices are Api.Airforce pay-as-you-go rates per 1M tokens. Context is the maximum input length.

Claude 3.5 Sonnet — frequently asked questions

How much does Claude 3.5 Sonnet cost?: Claude 3.5 Sonnet is billed pay-as-you-go at $0.59 per 1M input tokens and $2.93 per 1M output tokens. There is no subscription — you only pay for what you use.
What is the context window of Claude 3.5 Sonnet?: Claude 3.5 Sonnet supports a context window of up to 200K tokens. It can return up to 8K tokens in a single response.
What can Claude 3.5 Sonnet do?: Claude 3.5 Sonnet supports Vision, Tool calling, Documents, Prompt caching.
Is Claude 3.5 Sonnet free to use?: Claude 3.5 Sonnet is a paid, pay-as-you-go model — no subscription, you are only charged for usage.
How do I use Claude 3.5 Sonnet via the API?: Claude 3.5 Sonnet is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID claude-3-5-sonnet-20240620 with your Api.Airforce API key.
Who makes Claude 3.5 Sonnet?: Claude 3.5 Sonnet is Anthropic's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

All models·Quickstart·Chat API reference

Use Claude 3.5 Sonnet via the API

OpenAI-compatible — point any OpenAI SDK at https://api.airforce/v1 and pass claude-3-5-sonnet-20240620 as the model.

cURL

curl https://api.airforce/v1/chat/completions \
  -H "Authorization: Bearer $AIRFORCE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-3-5-sonnet-20240620",
    "messages": [{ "role": "user", "content": "Hello!" }]
  }'

Python

from openai import OpenAI
client = OpenAI(base_url="https://api.airforce/v1", api_key="$AIRFORCE_API_KEY")
r = client.chat.completions.create(
    model="claude-3-5-sonnet-20240620",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(r.choices[0].message.content)

JavaScript

import OpenAI from "openai";
const client = new OpenAI({ baseURL: "https://api.airforce/v1", apiKey: process.env.AIRFORCE_API_KEY });
const r = await client.chat.completions.create({
  model: "claude-3-5-sonnet-20240620",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(r.choices[0].message.content);