Question 1

What is DeepSeek V4 Flash Vision Exp?

Accepted Answer

DeepSeek V4 Flash Vision Exp is a model from Deepseek, released on Aug 21, 2026. DeepSeek V4 Flash Vision Exp is an experimental vision-enabled version of DeepSeek V4 Flash 0731 from DeepSeek, adding image understanding while matching the base model on text capabilities including agents,...

Question 2

How much does DeepSeek V4 Flash Vision Exp cost?

Accepted Answer

On the Respan gateway, input starts at $0.22 per 1M tokens on OpenRouter, and output starts at $0.65 per 1M tokens on OpenRouter, after gateway discounts. Averaged across 3 providers, it costs $0.35 per 1M input tokens and $1.05 per 1M output tokens.

Question 3

Which providers serve DeepSeek V4 Flash Vision Exp on Respan?

Accepted Answer

3 providers serve DeepSeek V4 Flash Vision Exp: OpenRouter, Novita, and DeepInfra.

Question 4

What is DeepSeek V4 Flash Vision Exp's context window?

Accepted Answer

DeepSeek V4 Flash Vision Exp accepts up to 1.0M tokens of context on its largest provider route.

Question 5

How do I use DeepSeek V4 Flash Vision Exp 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-vision-exp". 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 Vision Exp?

Accepted Answer

Over the last 30 days of requests through the Respan gateway, the fastest provider was OpenRouter at 67 tokens per second, and the lowest response latency was 1.1 seconds on Novita. Speed varies with request size and provider.

Provider	Context	Input	Output
OpenRouter`openrouter/deepseek/deepseek-v4-flash-vision-exp`	1.0M	$0.22/M	$0.65/M
NovitaSave 10%`novita/deepseek/deepseek-v4-flash-vision-exp`	1.0M	$0.40/M	$1.19/M
DeepInfra`deepinfra/deepseek-ai/DeepSeek-V4-Flash-Vision-Exp`	1.0M	$0.44/M	$1.32/M

DeepSeek V4 Flash Vision Exp

Providers

Certified where it counts.

Pricing

Cost by volume

Throughput and latency

Output speed

Time to first token

Response latency

Apps