Question 1

What is DeepSeek V4 Flash Fast?

Accepted Answer

DeepSeek V4 Flash Fast is a model from Deepseek, released on Jul 31, 2026. DeepSeek V4 Flash Fast is a DeepSeek model tuned for strong reasoning and coding performance at competitive cost. DeepSeek V4 Flash Fast is a DeepSeek model tuned for strong reasoning and coding performance at competitive cost. Supports tool use. Up to 1.0M context window.

Question 2

How much does DeepSeek V4 Flash Fast cost?

Accepted Answer

On the Respan gateway, input starts at $0.14 per 1M tokens on Wafer, and output starts at $0.28 per 1M tokens on Wafer, after gateway discounts.

Question 3

Which providers serve DeepSeek V4 Flash Fast on Respan?

Accepted Answer

DeepSeek V4 Flash Fast is served by Wafer.

Question 4

What is DeepSeek V4 Flash Fast's context window?

Accepted Answer

DeepSeek V4 Flash Fast accepts up to 1.0M tokens of context.

Question 5

How do I use DeepSeek V4 Flash Fast with the Respan gateway?

Accepted Answer

Point any OpenAI-compatible SDK at https://api.respan.ai/api/ with your Respan API key and set the model to "deepseek-v4-flash-fast". To set it up with a coding agent, copy the agent setup prompt at the top of this page.

Question 6

How fast is DeepSeek V4 Flash Fast?

Accepted Answer

Over the last 30 days of requests through the Respan gateway, the fastest provider was Wafer at 31 tokens per second, and the lowest response latency was 1.4 seconds on Wafer. Speed varies with request size and provider.

DeepSeek V4 Flash Fast

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