Last refreshed 2026-05-22. Next refresh: weekly.
Why use DeepSeek V4 Flash on Vercel AI Gateway?
Vercel AI Gateway offers DeepSeek V4 Flash with pay-as-you-go pricing at $0.14/1M input tokens. Vercel AI Gateway is a unified AI proxy providing a single OpenAI-compatible API endpoint to 275+ models from 25+ providers including Anthropic, OpenAI, Google, Meta, Mistral, DeepSeek, xAI, Alibaba, Amazon, ByteDance, Cohere, MiniMax, MoonshotAI, KwaiPilot, Black Forest Labs, Recraft, Voyage AI, NVIDIA, and more.
Compare DeepSeek V4 Flash across 5 providers to find the best fit for your use caseSetup recipe
Python + curlpip install openaiexport AI_GATEWAY_API_KEY=...import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["AI_GATEWAY_API_KEY"],deepseek/deepseek-v4-flashRequest example
import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["AI_GATEWAY_API_KEY"],
base_url="https://ai-gateway.vercel.sh/v1"
)
response = client.chat.completions.create(
model="deepseek/deepseek-v4-flash",
messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)Gotchas
- Use provider model ID "deepseek/deepseek-v4-flash", not the LLMReference slug "deepseek-v4-flash".
- creator/model-name e.g. kwaipilot/kat-coder-pro-v2
- The examples expect AI_GATEWAY_API_KEY; rename it only if your application config maps the new variable.
Compare DeepSeek V4 Flash Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| DeepSeek Platform | $0.14 | $0.28 |
| OpenRouter | $0.11 | $0.22 |
| Microsoft Foundry | — | — |
| Vercel AI Gateway | $0.14 | $0.28 |
| Novita AI | $0.14 | $0.28 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.14 |
| Output tokens | $0.28 |
Capabilities
About DeepSeek V4 Flash
DeepSeek V4 Flash is a 284B parameter (13B activated) Mixture-of-Experts language model with 1M-token context. Features a hybrid attention architecture combining Compressed Sparse Attention (CSA) and Heavily Compressed Attention (HCA) for efficient long-context inference. Supports thinking and non-thinking modes. Legacy API aliases deepseek-chat and deepseek-reasoner map to this model's non-thinking and thinking modes respectively. Pricing: $0.14/1M input, $0.28/1M output (cache hit: $0.0028/1M input). MIT licensed.
FAQ
What does DeepSeek V4 Flash cost on Vercel AI Gateway?
On Vercel AI Gateway, DeepSeek V4 Flash costs $0.14 per 1M input tokens and $0.28 per 1M output tokens.
What is the context window for DeepSeek V4 Flash on Vercel AI Gateway?
DeepSeek V4 Flash supports a 1,000,000 token context window on Vercel AI Gateway.
How does Vercel AI Gateway compare to other DeepSeek V4 Flash providers?
DeepSeek V4 Flash is available from 5 providers. The cheapest input pricing is $0.112/1M tokens from OpenRouter.
What API model ID do I use for DeepSeek V4 Flash on Vercel AI Gateway?
Use the model ID deepseek/deepseek-v4-flash when calling Vercel AI Gateway's API.
Who created DeepSeek V4 Flash?
DeepSeek V4 Flash was created by DeepSeek as part of the DeepSeek V4 model family.
Is DeepSeek V4 Flash open source?
DeepSeek V4 Flash is open source according to the seed data.