# Beam 1.0 501B A23B API Pricing

As of October 21, 2026, Beam 1.0 501B A23B costs $0.40 per 1M input tokens and $1.20 per 1M output tokens from Together AI, the lowest of 2 providers, with cache reads at $0.04 per 1M tokens. It has a 1,048,576-token context window.

- Page: https://models.litellm.ai/models/beam-1.0-501b-a23b
- LiteLLM model name: `together_ai/reflection/Beam-1.0-501B-A23B`
- Context window: 1,048,576 tokens
- Added to LiteLLM: October 16, 2026
- Prices updated: October 21, 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/reflection/Beam-1.0-501B-A23B` | $0.40 | $1.20 | $0.04 | – | – | 1M |
| Weights & Biases | `wandb/reflection/Beam-1.0-501B-A23B` | $1.00 | $3.00 | $0.10 | – | – | 1M |

## Cost examples

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

- Together AI: $1.40
- Weights & Biases: $3.50

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

- Together AI: $4.24
- Weights & Biases: $10.60

## Features

Supported: Function calling, Structured output, Reasoning, Prompt caching.

## Use it with LiteLLM

```python
from litellm import completion

response = completion(
    model="together_ai/reflection/Beam-1.0-501B-A23B",
    messages=[{"role": "user", "content": "Hello!"}],
)
```

## Cost calculator

10,000 requests a day with 1,000 input and 500 output tokens each, at Together AI's price: $0.001 per request, $10.00 per day, $300 per month (30 days). Try other numbers at https://models.litellm.ai/calculator?model=beam-1.0-501b-a23b

## FAQ

### How much does Beam 1.0 501B A23B cost?

Beam 1.0 501B A23B costs $0.40 per 1M input tokens and $1.20 per 1M output tokens from Together AI, the lowest of 2 providers, with cache reads at $0.04 per 1M tokens.

### What is the context window of Beam 1.0 501B A23B?

Beam 1.0 501B A23B has a 1,048,576-token context window.

### Which providers offer Beam 1.0 501B A23B?

Beam 1.0 501B A23B is available from 2 providers through LiteLLM: Together AI and Weights & Biases. The lowest price is on Together AI.

### How do I call Beam 1.0 501B A23B with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="together_ai/reflection/Beam-1.0-501B-A23B", 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 Beam 1.0 501B A23B support?

Beam 1.0 501B A23B supports function calling, structured output, reasoning and prompt caching.

### When did LiteLLM add Beam 1.0 501B A23B?

Beam 1.0 501B A23B was added to LiteLLM's model price file on October 16, 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.