Works with your entire stack
Use Respan with your favorite frameworks and tools.
Claude Opus 4 5@20251101 is Anthropic's most capable Claude tier for complex coding, agentic workflows, and long-horizon reasoning across large codebases and documents. Claude Opus 4 5@20251101 is Anthropic's most capable Claude tier for complex coding, agentic workflows, and long-horizon reasoning across large codebases and documents. Supports tool use, vision (image), explicit caching, and implicit caching. Up to 200K context window.
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="vertex_ai/claude-opus-4-5@20251101", 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="vertex_ai/claude-opus-4-5@20251101", 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 | ||||||
|---|---|---|---|---|---|---|---|
| vertex_ai/claude-opus-4-5@20251101 | 200K | $5.00/M | $25.00/M | Read:$0.50/MWrite:$6.25/M | — | +2 | — |
Other models from the same provider available through the gateway.
| Model | Capabilities | ||||||
|---|---|---|---|---|---|---|---|
| vertex_ai_beta/gemini-1.0-pro-001 | 33K | $0.25/M | $0.50/M | — | — | — | |
| vertex_ai_beta/gemini-1.5-flash | 2.8M | $1.25/M | $3.75/M | — | — | — | |
| vertex_ai_beta/gemini-1.5-flash-001 | 2.8M | $1.25/M | $3.75/M | — | — | — | |
| vertex_ai_beta/gemini-1.5-flash-002 | 2.8M | $1.25/M | $3.75/M | — | — | — | |
| vertex_ai_beta/gemini-1.5-flash-8b | 1.0M | $0.04/M | $0.15/M | — | — | — | |
| vertex_ai_beta/gemini-1.5-flash-preview-0514 | 2.8M | $1.25/M | $3.75/M | — | — | — | |
| vertex_ai_beta/gemini-1.5-pro | 2.8M | $1.25/M | $3.75/M | — | — | — | |
| vertex_ai_beta/gemini-1.5-pro-002 | 2.8M | $1.25/M | $3.75/M | — | — | — | |
| vertex_ai_beta/gemini-2.5-computer-use-preview-10-2025 | 1.0M | $1.25/M | $10.00/M | — | — | — | |
| vertex_ai_beta/gemini-2.5-flash | 1M | $0.30/M | $2.50/M | — | — | — | |
| vertex_ai_beta/gemini-2.5-flash-preview-04-17 | 1M | $0.15/M | $0.60/M | — | — | — | |
| vertex_ai_beta/gemini-2.5-flash-preview-09-2025 | 1.0M | $0.30/M | $2.50/M | — | — | — |
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Use Respan with your favorite frameworks and tools.