Last refreshed 2026-05-22. Next refresh: weekly.
Why use DeepSeek V3.1 Terminus on Vercel AI Gateway?
Vercel AI Gateway offers DeepSeek V3.1 Terminus with pay-as-you-go pricing at $0.27/1M 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 V3.1 Terminus across 4 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-v3.1-terminusRequest 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-v3.1-terminus",
messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)Gotchas
- Use provider model ID "deepseek/deepseek-v3.1-terminus", not the LLMReference slug "deepseek-v3.1-terminus".
- 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 V3.1 Terminus Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| NVIDIA NIM | — | — |
| OpenRouter | $0.21 | $0.79 |
| Vercel AI Gateway | $0.27 | $1.00 |
| Novita AI | $0.27 | $1.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.27 |
| Output tokens | $1.00 |
Capabilities
About DeepSeek V3.1 Terminus
DeepSeek: DeepSeek V3.1 Terminus available via OpenRouter. Pricing: $0.21/1M input, $0.79/1M output.
FAQ
What does DeepSeek V3.1 Terminus cost on Vercel AI Gateway?
On Vercel AI Gateway, DeepSeek V3.1 Terminus costs $0.27 per 1M input tokens and $1 per 1M output tokens.
What is the context window for DeepSeek V3.1 Terminus on Vercel AI Gateway?
DeepSeek V3.1 Terminus supports a 131,072 token context window on Vercel AI Gateway.
How does Vercel AI Gateway compare to other DeepSeek V3.1 Terminus providers?
DeepSeek V3.1 Terminus is available from 4 providers. The cheapest input pricing is $0.21/1M tokens from OpenRouter.
What API model ID do I use for DeepSeek V3.1 Terminus on Vercel AI Gateway?
Use the model ID deepseek/deepseek-v3.1-terminus when calling Vercel AI Gateway's API.
Who created DeepSeek V3.1 Terminus?
DeepSeek V3.1 Terminus was created by DeepSeek as part of the DeepSeek model family.
Is DeepSeek V3.1 Terminus open source?
DeepSeek V3.1 Terminus is open source according to the seed data.