Anthropic-10% FuturMix listed price
Claude Sonnet 4.5 API
Strong reasoning model with balanced performance
Overview
Claude Sonnet 4.5 delivers strong capabilities across reasoning, coding, and creative tasks. It provides a good balance of quality and speed for production workloads.
Use Cases
- Code generation and debugging
- Content creation
- Data analysis
- Conversational AI
Model Details
Provider
Anthropic
Model ID
claude-sonnet-4-5-20250929
Context Window
200K tokens
Compatible APIs
anthropic, openai
Code Examples
curl -X POST "https://futurmix.ai/v1/chat/completions" \
-H "Authorization: Bearer $FUTURMIX_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "claude-sonnet-4-5-20250929",
"messages": [
{
"role": "system",
"content": "You are a concise assistant."
},
{
"role": "user",
"content": "Write a short launch announcement for a new AI API platform."
}
],
"temperature": 0.7,
"max_tokens": 512,
"top_p": 0.95,
"stream": false
}'Base URL:
https://futurmix.ai/v1Endpoints: /chat/completions/responses/modelsRelated Models
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Start using Claude Sonnet 4.5 today
Top up from $10, create an API key, and start making requests.