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For tasks that demand low latency, GPT‑4.1 nano is the fastest and cheapest model in the GPT-4.1 series. It delivers exceptional performance at a small size with its 1 million token context window, and scores 80.1% on MMLU, 50.3% on GPQA, and 9.8% on Aider polyglot coding – even higher than GPT‑4o mini. It’s ideal for tasks like classification or autocompletion.
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="openai/gpt-4.1-nano-2025-04-14", 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="openai/gpt-4.1-nano-2025-04-14", 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 | ||||||
|---|---|---|---|---|---|---|---|
| openai/gpt-4.1-nano-2025-04-14 | 1.0M | $0.10/M | $0.40/M | Read:$0.03/MWrite:$0.00/M | — | +2 | — |
Other models from the same provider available through the gateway.
| Model | Capabilities | ||||||
|---|---|---|---|---|---|---|---|
| openai/babbage-002 | 16K | $0.40/M | $0.40/M | Read:$0.00/MWrite:$0.00/M | — | — | |
| openai/chat-latest | 400K | $5.00/M | $30.00/M | Read:$0.50/MWrite:$0.00/M | — | +2 | — |
| openai/davinci-002 | 16K | $2.00/M | $2.00/M | Read:$0.00/MWrite:$0.00/M | — | — | |
| openai/gpt-3.5-turbo | 16K | $0.50/M | $1.50/M | — | 1.4s | 6tps | |
| openai/gpt-3.5-turbo-0125 | 16K | $0.50/M | $1.50/M | Read:$0.00/MWrite:$0.00/M | — | — | |
| openai/gpt-3.5-turbo-1106 | 16K | $0.50/M | $1.50/M | Read:$0.00/MWrite:$0.00/M | — | — | |
| openai/gpt-3.5-turbo-instruct | 4K | $1.50/M | $2.00/M | Read:$0.00/MWrite:$0.00/M | — | — | |
| openai/gpt-4 | 8K | $30.00/M | $60.00/M | — | 1.9s | 5tps | |
| openai/gpt-4-0613 | 8K | $30.00/M | $60.00/M | — | 1.2s | 8tps | |
| openai/gpt-4-turbo | 128K | $10.00/M | $30.00/M | Read:$0.00/MWrite:$0.00/M | 1.4s | 6tps | |
| openai/gpt-4-turbo-2024-04-09 | 128K | $10.00/M | $30.00/M | — | 1.8s | 5tps | |
| openai/gpt-4.1 | 1M | $2.00/M | $8.00/M | — | 1.0s | 87tps |
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Use Respan with your favorite frameworks and tools.