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Use Respan with your favorite frameworks and tools.
GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token context window (922K input, 128K output) with support for text and image inputs, enabling large-scale reasoning, coding, and multimodal workflows within a single system.
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="inference_net/gpt-5.5", 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="inference_net/gpt-5.5", 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 | ||||||
|---|---|---|---|---|---|---|---|
| inference_net/gpt-5.5 | 1.1M | $5.00/M | $30.00/M | Read:$0.50/MWrite:$0.00/M | — | — |
Other models from the same provider available through the gateway.
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HIPAA compliant, with a BAA available for healthcare teams.
Use Respan with your favorite frameworks and tools.
| Model | Capabilities | ||||||
|---|---|---|---|---|---|---|---|
| inference_net/deepseek-v3.2 | 164K | $0.70/M | $2.00/M | Read:$0.35/MWrite:$0.00/M | — | — | |
| inference_net/deepseek-v4-flash | 1M | $0.23/M | $0.62/M | Read:$0.0028/MWrite:$0.00/M | — | — | |
| inference_net/deepseek-v4-flash-0731 | 1.0M | $0.53/M | $1.58/M | Read:$0.02/MWrite:$0.00/M | — | — | |
| inference_net/deepseek-v4-pro | 1.0M | $2.10/M | $4.20/M | Read:$0.0036/MWrite:$0.00/M | — | — | |
| inference_net/deepseek-v4-pro-0813 | 1.0M | $1.32/M | $3.96/M | Read:$0.04/MWrite:$0.00/M | — | — | |
| inference_net/deepseek-v4.1-flash | 1.0M | $0.30/M | $1.00/M | Read:$0.0070/MWrite:$0.00/M | — | — | |
| inference_net/gemini-2.5-flash | 1.0M | $0.30/M | $2.50/M | Read:$0.03/MWrite:$0.00/M | — | — | |
| inference_net/gemini-2.5-flash-lite | 1.0M | $0.10/M | $0.40/M | Read:$0.01/MWrite:$0.00/M | — | — | |
| inference_net/gemini-2.5-pro | 1.0M | $1.25/M | $10.00/M | Read:$0.13/MWrite:$0.00/M | — | — | |
| inference_net/gemini-3-flash-preview | 1.0M | $0.50/M | $3.00/M | Read:$0.05/MWrite:$0.00/M | — | — | |
| inference_net/gemini-3.1-flash-lite | 1.0M | $0.25/M | $1.50/M | Read:$0.03/MWrite:$0.00/M | — | — | |
| inference_net/gemini-3.1-pro-preview | 1.0M | $2.00/M | $12.00/M | Read:$0.20/MWrite:$0.00/M | — | — |