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StepAudio 2.5 Chat is available on the Respan AI Gateway for production LLM workloads. Supports explicit caching and implicit caching. Up to 256K 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="empiriolabs/stepaudio-2-5-chat", 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="empiriolabs/stepaudio-2-5-chat", 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 | ||||||
|---|---|---|---|---|---|---|---|
| empiriolabs/stepaudio-2-5-chat | 256K | $1.50/M | $3.50/M | Read:$0.30/MWrite:$0.00/M | — | — |
Other models from the same provider available through the gateway.
| Model | Capabilities | ||||||
|---|---|---|---|---|---|---|---|
| empiriolabs/deepreasoning | 4K | $4.80/M | $23.00/M | Read:$4.80/MWrite:$0.00/M | — | — | |
| empiriolabs/deepseek-v3-2 | 128K | $0.57/M | $1.71/M | Read:$0.57/MWrite:$0.00/M | — | — | |
| empiriolabs/deepseek-v4-1-flash | 1M | $0.30/M | $1.20/M | Read:$0.30/MWrite:$0.00/M | — | +2 | — |
| empiriolabs/deepseek-v4-flash | 1M | $0.14/M | $0.28/M | Read:$0.14/MWrite:$0.00/M | — | — | |
| empiriolabs/deepseek-v4-flash-0731 | 1M | $0.42/M | $1.27/M | Read:$0.42/MWrite:$0.00/M | — | — | |
| empiriolabs/deepseek-v4-pro | 1M | $1.65/M | $3.30/M | Read:$1.65/MWrite:$0.00/M | — | — | |
| empiriolabs/deepseek-v4-pro-0813 | 1M | $1.32/M | $3.96/M | Read:$1.32/MWrite:$0.00/M | — | — | |
| empiriolabs/fugu-max | 1M | $2.00/M | $6.00/M | Read:$0.25/MWrite:$0.00/M | — | +2 | — |
| empiriolabs/fugu-ultra-v1-0 | 1M | $7.50/M | $45.00/M | Read:$1.50/MWrite:$0.00/M | — | +2 | — |
| empiriolabs/fugu-ultra-v1-1 | 1M | $5.00/M | $30.00/M | Read:$0.50/MWrite:$0.00/M | — | +2 | — |
| empiriolabs/fugu-ultra-v2-0 | 1M | $5.00/M | $30.00/M | Read:$0.50/MWrite:$0.00/M | — | +2 | — |
| empiriolabs/gemma-4-26b-a4b | 262K | $0.05/M | $0.29/M | Read:$0.03/MWrite:$0.00/M | 1.0s | +2 | 90tps |
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Use Respan with your favorite frameworks and tools.