# DeepSeek V3.1 Terminus API Pricing

As of October 10, 2026, DeepSeek V3.1 Terminus costs $0.27 per 1M input tokens and $1.00 per 1M output tokens from Novita AI, the lowest of 3 providers, with cache reads at $0.135 per 1M tokens. It has a 131,072-token context window and returns up to 32,768 tokens per response.

- Page: https://models.litellm.ai/models/deepseek-v3.1-terminus
- Lab: DeepSeek
- LiteLLM model name: `novita/deepseek/deepseek-v3.1-terminus`
- Context window: 131,072 tokens
- Max output: 32,768 tokens
- Added to LiteLLM: October 2025
- Prices updated: October 10, 2026

## Pricing by provider

Token prices in USD per 1M tokens.

| Provider | Model name | Input | Output | Cache read | Per image | Per second | Context |
|---|---|---|---|---|---|---|---|
| Novita AI | `novita/deepseek/deepseek-v3.1-terminus` | $0.27 | $1.00 | $0.135 | – | – | 128K |
| DeepInfra | `deepinfra/deepseek-ai/DeepSeek-V3.1-Terminus` | $0.27 | $1.00 | $0.216 | – | – | 160K |
| Fireworks AI | `fireworks_ai/accounts/fireworks/models/deepseek-v3p1-terminus` | $0.56 | $1.68 | – | – | – | 128K |

## Cost examples

1,000 requests with 2,000 input and 500 output tokens each:

- Novita AI: $1.04
- DeepInfra: $1.04
- Fireworks AI: $1.96

100 long-document requests with 100,000 input and 2,000 output tokens each:

- Novita AI: $2.90
- DeepInfra: $2.90
- Fireworks AI: $5.936

## Features

Supported: Function calling, Parallel tool calls, Structured output, Reasoning.

## Use it with LiteLLM

```python
from litellm import completion

response = completion(
    model="novita/deepseek/deepseek-v3.1-terminus",
    messages=[{"role": "user", "content": "Hello!"}],
)
```

## FAQ

### How much does DeepSeek V3.1 Terminus cost?

DeepSeek V3.1 Terminus costs $0.27 per 1M input tokens and $1.00 per 1M output tokens from Novita AI, the lowest of 3 providers, with cache reads at $0.135 per 1M tokens.

### What is the context window of DeepSeek V3.1 Terminus?

DeepSeek V3.1 Terminus has a 131,072-token context window and returns up to 32,768 tokens per response.

### Which providers offer DeepSeek V3.1 Terminus?

DeepSeek V3.1 Terminus is available from 3 providers through LiteLLM: Novita AI, DeepInfra and Fireworks AI. The lowest price is on Novita AI.

### How do I call DeepSeek V3.1 Terminus with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="novita/deepseek/deepseek-v3.1-terminus", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/chat/completions from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.

### What features does DeepSeek V3.1 Terminus support?

DeepSeek V3.1 Terminus supports function calling, parallel tool calls, structured output and reasoning.

### When did LiteLLM add DeepSeek V3.1 Terminus?

DeepSeek V3.1 Terminus was added to LiteLLM's model price file in October 2025.

Source: LiteLLM model price file, https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json