Last refreshed 2026-05-11. Next refresh: weekly.
Why use Claude 3.5 Sonnet on Anthropic?
Anthropic offers Claude 3.5 Sonnet with pay-as-you-go pricing at $3.00/1M input tokens. Anthropic is a safety-focused AI research company and creator of the Claude model family, offering API access through the Anthropic Console for text generation, analysis, and coding tasks.
Compare Claude 3.5 Sonnet across 6 providers to find the best fit for your use caseSetup recipe
Python + curlpip install anthropicexport ANTHROPIC_API_KEY=...import anthropic
client = anthropic.Anthropic() # reads ANTHROPIC_API_KEY from env
message = client.messages.create(
model="claude-3.5-sonnet",claude-3.5-sonnetRequest example
import anthropic
client = anthropic.Anthropic() # reads ANTHROPIC_API_KEY from env
message = client.messages.create(
model="claude-3.5-sonnet",
max_tokens=1024,
messages=[{"role": "user", "content": "Hello"}]
)
print(message.content[0].text)Gotchas
- Use the versioned model ID, e.g. "claude-sonnet-4-6" or "claude-opus-4-7-20251101".
- The examples expect ANTHROPIC_API_KEY; rename it only if your application config maps the new variable.
Compare Claude 3.5 Sonnet Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| GCP Vertex AI | $3.00 | $15.00 |
| AWS Bedrock | $3.00 | $15.00 |
| Anthropic | $3.00 | $15.00 |
| OpenRouter | — | — |
| Microsoft Foundry | — | — |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $3.00 |
| Output tokens | $15.00 |
Capabilities
About Claude 3.5 Sonnet
Claude 3.5 Sonnet, the latest in Anthropic's line of large language models, merges state-of-the-art reasoning, coding, and natural language understanding capabilities with advanced multi-modal processing. Released in October 2024, it excels in benchmarks against previous models and competitors, thanks to its scalable attention mechanisms and massive neural network architecture. Its dynamic routing enables specialization in various tasks, supporting applications from software development and data analysis to customer support and content creation. Users benefit from its "Artifacts" feature for real-time collaborative workflows and can access the model through platforms like Claude.ai and APIs at competitive pricing rates.
FAQ
What does Claude 3.5 Sonnet cost on Anthropic?
On Anthropic, Claude 3.5 Sonnet costs $3.0 per 1M input tokens and $15.0 per 1M output tokens.
What is the context window for Claude 3.5 Sonnet on Anthropic?
Claude 3.5 Sonnet supports a 200,000 token context window on Anthropic.
How does Anthropic compare to other Claude 3.5 Sonnet providers?
Claude 3.5 Sonnet is available from 6 providers. The cheapest input pricing is $3/1M tokens from GCP Vertex AI.
Who created Claude 3.5 Sonnet?
Claude 3.5 Sonnet was created by Anthropic as part of the Claude 3.5 model family.
Is Claude 3.5 Sonnet open source?
Claude 3.5 Sonnet's open source status is unknown in the seed data.