Works with your entire stack
Use Respan with your favorite frameworks and tools.
Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work. It excels at iterative development, complex codebase navigation, end-to-end project management with memory, polished document creation, and confident computer use for web QA and workflow automation.
from openai import OpenAI client = OpenAI( base_url="https://api.respan.ai/api/", api_key="YOUR_RESPAN_API_KEY",) response = client.chat.completions.create( model="perplexity/anthropic/claude-sonnet-4-6", messages=[{"role": "user", "content": "Hello!"}],)print(response.choices[0].message.content)from openai import OpenAI client = OpenAI( base_url="https://api.respan.ai/api/", api_key="YOUR_RESPAN_API_KEY",) response = client.chat.completions.create( model="perplexity/anthropic/claude-sonnet-4-6", messages=[{"role": "user", "content": "Hello!"}],)print(response.choices[0].message.content)Gateway routes for this model on the Respan gateway, including fallback routes when configured.
| Model | Capabilities | ||||||
|---|---|---|---|---|---|---|---|
| perplexity/anthropic/claude-sonnet-4-6 | 4K | $3.00/M | $15.00/M | Read:$0.30/MWrite:$3.75/M | — | — |
Built to meet the security and privacy standards that enterprise and healthcare teams require.
Other models from the same provider available through the gateway.
ISO 27001
The internationally recognized standard for information security management.
SOC 2
Secure, compliant management of your data across all of our systems.
GDPR
Operated under GDPR, the world's strictest standard for data privacy.
HIPAA
HIPAA compliant, with a BAA available for healthcare teams.
Use Respan with your favorite frameworks and tools.
| Model | Capabilities | ||||||
|---|---|---|---|---|---|---|---|
| perplexity/anthropic/claude-fable-5 | 4K | $10.00/M | $50.00/M | Read:$1.00/MWrite:$12.50/M | — | — | |
| perplexity/anthropic/claude-fable-5-1 | 4K | $10.00/M | $50.00/M | Read:$0.25/MWrite:$12.50/M | — | — | |
| perplexity/anthropic/claude-haiku-4-5 | 4K | $1.00/M | $5.00/M | Read:$0.10/MWrite:$1.25/M | — | — | |
| perplexity/anthropic/claude-opus-4-5 | 4K | $5.00/M | $25.00/M | Read:$0.50/MWrite:$6.25/M | — | — | |
| perplexity/anthropic/claude-opus-4-6 | 4K | $5.00/M | $25.00/M | Read:$0.50/MWrite:$6.25/M | — | — | |
| perplexity/anthropic/claude-opus-4-7 | 4K | $5.00/M | $25.00/M | Read:$0.50/MWrite:$6.25/M | — | — | |
| perplexity/anthropic/claude-opus-4-8 | 4K | $5.00/M | $25.00/M | Read:$0.50/MWrite:$6.25/M | — | — | |
| perplexity/anthropic/claude-opus-5 | 4K | $5.00/M | $25.00/M | Read:$0.50/MWrite:$6.25/M | — | — | |
| perplexity/anthropic/claude-opus-5-5 | 4K | $4.00/M | $20.00/M | Read:$0.20/MWrite:$5.00/M | — | — | |
| perplexity/anthropic/claude-sonnet-4-5 | 4K | $3.00/M | $15.00/M | Read:$0.30/MWrite:$3.75/M | — | — | |
| perplexity/anthropic/claude-sonnet-5 | 4K | $2.00/M | $10.00/M | Read:$0.20/MWrite:$2.50/M | — | — | |
| perplexity/deepseek-v4-pro-0813 | 4K | $1.32/M | $3.96/M | Read:$0.04/MWrite:$0.00/M | — | — |