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DeepSeek V4 Flash 0731 Fast is a DeepSeek model tuned for strong reasoning and coding performance at competitive cost. DeepSeek V4 Flash 0731 Fast is a DeepSeek model tuned for strong reasoning and coding performance at competitive cost. Supports tool use, explicit caching, and implicit caching. Up to 1.0M 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="wafer/DeepSeek-V4-Flash-0731-Fast", 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="wafer/DeepSeek-V4-Flash-0731-Fast", 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 | ||||||
|---|---|---|---|---|---|---|---|
| wafer/DeepSeek-V4-Flash-0731-Fast | 1.0M | $0.10/M | $0.25/M | Read:$0.05/MWrite:$0.00/M | — | — |
Other models from the same provider available through the gateway.
| Model | Capabilities | ||||||
|---|---|---|---|---|---|---|---|
| wafer/DeepSeek-V4-Pro | 1.0M | $0.98/M | $2.90/M | Read:$0.03/MWrite:$0.00/M | — | — | |
| wafer/DeepSeek-V4.1-Flash | 1.0M | $0.20/M | $0.60/M | Read:$0.0060/MWrite:$0.00/M | — | +2 | — |
| wafer/GLM-5.2 | 1.0M | $1.40/M | $4.40/M | Read:$0.26/MWrite:$0.00/M | — | — | |
| wafer/GLM-5.3 | 1.0M | $1.19/M | $4.40/M | Read:$0.26/MWrite:$0.00/M | — | — | |
| wafer/GLM-5.3-Flash | 1.0M | $0.10/M | $0.35/M | Read:$0.02/MWrite:$0.00/M | — | +2 | — |
| wafer/Kimi-K3 | 1.0M | $2.10/M | $10.95/M | Read:$0.21/MWrite:$0.00/M | — | +2 | — |
| wafer/Qwen3.8-27B | 262K | $0.11/M | $2.50/M | Read:$0.05/MWrite:$0.00/M | — | +2 | — |
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Use Respan with your favorite frameworks and tools.