DeepSeek V4 Flash
At a glance
- Price per 1M tokens (input)
- $0.30
- Price per 1M tokens (output)
- $1.20
- Context
- 1,000,000 tokens
- Free access
- yes (see below)
Refreshed daily; data verified September 29, 2026. Published August 9, 2026, last price change September 13, 2026.
DeepSeek V4 Flash is designed for developers and enterprises building applications that require fast, multimodal reasoning with real-time tool integration. It excels at tasks such as interpreting visual inputs while simultaneously executing external functions—like retrieving data from APIs or triggering workflows—based on reasoned analysis of both text and images. Unlike many models that treat vision and reasoning as separate stages, DeepSeek V4 Flash unifies image understanding with step-by-step logical progression and tool calling in a single coherent process, reducing latency and complexity in agent-based systems. The vendor emphasizes efficiency through architectural optimizations that prioritize speed without sacrificing the depth of reasoning needed for dynamic decision-making.
Specifications & pricing
| Input (per 1M tokens) | $0.30 |
|---|---|
| Output (per 1M tokens) | $1.20 |
| Cache read (per 1M tokens) | $0.006 |
| Cache write (per 1M tokens) | free |
| Context window | 1,000,000 tokens |
| Max output | 393,216 tokens |
| Capabilities | images, tool calling, reasoning |
LiteLLM community dataset (MIT), verified September 29, 2026. Official DeepSeek pricing.
What DeepSeek V4 Flash would cost on your workload — run it through the cost calculator →
Price history
| Date | Input / 1M | Output / 1M |
|---|---|---|
| August 9, 2026 (first record) | $0.14 | $0.28 |
| August 22, 2026 | $0.44 | $1.32 |
| September 13, 2026 | $0.30 | $1.20 |
Where to try DeepSeek V4 Flash for free
- Free via NVIDIA NIM — id
deepseek-ai/deepseek-v4-flash-0731. Verified August 8, 2026. - DeepSeek offers a free chat — DeepSeek Chat. A vendor's free chat may run a different model from the same family — the exact model is not guaranteed.
Frequently asked questions
What types of tasks is DeepSeek V4 Flash best suited for?+
It is ideal for applications needing rapid interpretation of images combined with actionable outcomes—such as analyzing product photos to trigger inventory updates, reading document scans to initiate compliance checks, or interpreting diagrams to generate code snippets. Its strength lies in closing the loop between perception and action in real time.
How does a developer begin using this model in practice?+
Access is typically provided through the vendor’s API platform, where users can send multimodal prompts containing both text and image inputs alongside function definitions. The model processes these inputs and returns structured outputs that include both reasoning steps and tool invocation requests, which the application can then execute.
How does DeepSeek V4 Flash differ from other models in the DeepSeek V4 series?+
While other variants may prioritize maximum reasoning depth or largest context handling, the Flash version is optimized for speed and efficiency in tool-using scenarios. It trades some extreme reasoning depth for faster response times when image understanding and function calls are central to the use case.
What are the current limitations users should be aware of?+
The model may struggle with highly abstract or ambiguous visual inputs that lack clear contextual cues. Additionally, while it supports tool calling, the reliability of function execution depends entirely on the correctness of the provided function schemas and the availability of the external systems being invoked.
Compare with others
Org chart: how to move your company onto AI
A practical map: which company roles and processes AI agents can take over, where to start, and in what order to roll it out.