DeepSeek V4 Flash 0731
DeepSeek-V4-Flash-0731 is the production release of DeepSeek-V4-Flash, incorporating an integrated speculative decoding module. It delivers enhanced agentic performance, tool execution, and code synthesis across a 1M-token context window.
DeepSeek
Alibaba US
Specifications
Context window, ranked against other chat models
Proportional scale: 0 to 1M tokens. Not ranked, no published context window: glm-5.3-prime, qwen3-235b-a22b-2507, qwen3.7-max-2026-05-17, llama4-maverick-17b-instruct.
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chat
Pricing
Rates are read live
Pricing for deepseek-v4-flash-0731 is fetched from the live catalogue on load, so it is never served from a cache that could outlive a repricing.
Availability
Not enough data yet
We have not collected enough health probes for this model to publish an uptime or latency figure. A percentage from a handful of samples is fabricated precision, so none is shown until the sample count supports one.
How DeepSeek V4 Flash 0731 is billed
Billed at the provider's list price, with no per-token markup.
- Exact list price
- Tokens settle at the published rate of the model that served your call.
- Cache discounts passed through
- Provider prompt-caching discounts reach your balance with no added fee.
- Cost on every response
- Each response carries the
x-nr-request-costheader, so you can reconcile spend per request.
More from DeepSeek
Start building with deepseek-v4-flash-0731
One API key, three steps. Choose your tool to begin.
Get a key
Create API keySet your API key
export NROUTER_API_KEY="<YOUR_API_KEY>"Configure Claude Code
Choose a tool, then copy its setup from the panel.
Frequently asked questions
What is DeepSeek V4 Flash 0731?
DeepSeek-V4-Flash-0731 is the production release of DeepSeek-V4-Flash, incorporating an integrated speculative decoding module. It delivers enhanced agentic performance, tool execution, and code synthesis across a 1M-token context window.
How much does DeepSeek V4 Flash 0731 cost?
DeepSeek V4 Flash 0731 is billed at the provider's list price on nRouter with no per-token markup — tokens settle at the exact upstream rate. Input and output rates are read live, so see the pricing section above for the current figures.
Does DeepSeek V4 Flash 0731 support tool calling and structured outputs?
Yes. DeepSeek V4 Flash 0731 supports tool calling (function calling), so it can invoke external tools and APIs during a conversation.
What inputs and outputs does DeepSeek V4 Flash 0731 support?
DeepSeek V4 Flash 0731 takes text as input and returns text as output.
How do I use DeepSeek V4 Flash 0731 via nRouter?
Use any OpenAI-compatible client: point it at https://api.nrouter.ai/v1 with your nRouter API key and set the model to "dashscope/deepseek-v4-flash-0731". The quick-start panel above has a copy-paste curl command for this model.
When was DeepSeek V4 Flash 0731 released?
DeepSeek V4 Flash 0731 was released on July 31, 2026.
Where is the DeepSeek V4 Flash 0731 documentation?
Start at nrouter.ai/docs. The quick-start guide (nrouter.ai/docs/getting-started/quick-start) covers API keys and your first request, and the API reference (nrouter.ai/docs/api-reference) lists every parameter.
What other text models does DeepSeek have?
Other DeepSeek text models on nRouter include DeepSeek V4 Pro 0813 (nrouter.ai/models/deepseek-v4-pro-0813), V3 (nrouter.ai/models/v3), DeepSeek V3.2 Maas (nrouter.ai/models/deepseek-v3.2-maas), DeepSeek V4.1 Flash (nrouter.ai/models/deepseek-v4.1-flash).
Pricing is live — see above for current rates.