# Tev1 4B Experimental API Pricing

As of October 10, 2026, Tev1 4B Experimental costs $0.042 per 1M input tokens and $0 per 1M output tokens on Together AI, with cache reads at $0.042 per 1M tokens. It has a 32,768-token context window.

- Page: https://models.litellm.ai/models/tev1-4b-experimental
- LiteLLM model name: `together_ai/together/Tev1-4B-experimental`
- Context window: 32,768 tokens
- Added to LiteLLM: September 23, 2026
- 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 |
|---|---|---|---|---|---|---|---|
| Together AI | `together_ai/together/Tev1-4B-experimental` | $0.042 | $0 | $0.042 | – | – | 32K |

## Cost examples

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

- Together AI: $0.084

## Use it with LiteLLM

```python
from litellm import completion

response = completion(
    model="together_ai/together/Tev1-4B-experimental",
    messages=[{"role": "user", "content": "Hello!"}],
)
```

## FAQ

### How much does Tev1 4B Experimental cost?

Tev1 4B Experimental costs $0.042 per 1M input tokens and $0 per 1M output tokens on Together AI, with cache reads at $0.042 per 1M tokens.

### What is the context window of Tev1 4B Experimental?

Tev1 4B Experimental has a 32,768-token context window.

### Which providers offer Tev1 4B Experimental?

Tev1 4B Experimental is available from Together AI through LiteLLM, using the model name together_ai/together/Tev1-4B-experimental.

### How do I call Tev1 4B Experimental with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="together_ai/together/Tev1-4B-experimental", 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.

### When did LiteLLM add Tev1 4B Experimental?

Tev1 4B Experimental was added to LiteLLM's model price file on September 23, 2026.

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