# Lfm2.5 1.2B Thinking API Pricing

As of October 31, 2026, Lfm2.5 1.2B Thinking costs $0.02 per 1M input tokens and $0.05 per 1M output tokens on ZeroGPU. It has a 32,768-token context window and returns up to 8,192 tokens per response.

- Page: https://models.litellm.ai/models/lfm2.5-1.2b-thinking
- LiteLLM model name: `zerogpu/LFM2.5-1.2B-Thinking`
- Context window: 32,768 tokens
- Max output: 8,192 tokens
- Added to LiteLLM: October 30, 2026
- Prices updated: October 30, 2026

## Pricing by provider

Token prices in USD per 1M tokens.

| Provider | Model name | Input | Output | Cache read | Per image | Per second | Context |
|---|---|---|---|---|---|---|---|
| ZeroGPU | `zerogpu/LFM2.5-1.2B-Thinking` | $0.02 | $0.05 | – | – | – | 32K |

## Cost examples

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

- ZeroGPU: $0.065

## Use it with LiteLLM

```python
from litellm import completion

response = completion(
    model="zerogpu/LFM2.5-1.2B-Thinking",
    messages=[{"role": "user", "content": "Hello!"}],
)
```

## Cost calculator

10,000 requests a day with 1,000 input and 500 output tokens each, at ZeroGPU's price: $0.000045 per request, $0.45 per day, $13.50 per month (30 days). Try other numbers at https://models.litellm.ai/calculator?model=lfm2.5-1.2b-thinking

## FAQ

### How much does Lfm2.5 1.2B Thinking cost?

Lfm2.5 1.2B Thinking costs $0.02 per 1M input tokens and $0.05 per 1M output tokens on ZeroGPU.

### What is the context window of Lfm2.5 1.2B Thinking?

Lfm2.5 1.2B Thinking has a 32,768-token context window and returns up to 8,192 tokens per response.

### Which providers offer Lfm2.5 1.2B Thinking?

Lfm2.5 1.2B Thinking is available from ZeroGPU through LiteLLM, using the model name zerogpu/LFM2.5-1.2B-Thinking.

### How do I call Lfm2.5 1.2B Thinking with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="zerogpu/LFM2.5-1.2B-Thinking", 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 Lfm2.5 1.2B Thinking?

Lfm2.5 1.2B Thinking was added to LiteLLM's model price file on October 30, 2026.

Source: LiteLLM model price file, https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json. Maintainers update it from each provider's published pricing, and this page is usually rebuilt within 20 minutes of every change.