Reflection: Beam 1.0 501B A23B

Other · 1049K token context · text

Pricing: $0.17 per 1M input tokens, $0.68 per 1M output tokens

Beam 1.0 is Reflection's open-weight reasoning model for coding and long-horizon agentic workflows. It uses a sparse mixture-of-experts architecture with 501B total and 23B active parameters per token, and a...

Pricing

$0.17 per 1M input tokens and $0.68 per 1M output tokens. Billing is per token: input tokens are charged at the input rate and output tokens at the output rate, from one llmka.dev balance.

Prices checked 2026-11-04

Context and limits

The context window is 1,048,576 tokens (1049K).

The maximum output is 943,718 tokens.

When to use Reflection: Beam 1.0 501B A23B

Reflection: Beam 1.0 501B A23B (model ID `beam-1.0-501b-a23b`) takes text input and returns text output.

Supported features in the catalog: function calling (tools), streamed responses over SSE, JSON-schema structured output.

Use Reflection: Beam 1.0 501B A23B for text generation and chat.

FAQ

How much does Reflection: Beam 1.0 501B A23B cost?

$0.17 per 1M input tokens and $0.68 per 1M output tokens. Billing is per token: input tokens are charged at the input rate and output tokens at the output rate, from one llmka.dev balance.

What is the context window and output limit of Reflection: Beam 1.0 501B A23B?

The context window is 1,048,576 tokens (1049K). The maximum output is 943,718 tokens.

How do I get access to Reflection: Beam 1.0 501B A23B?

Create an API key in the llmka.dev dashboard and send requests to model "beam-1.0-501b-a23b" at https://api.llmka.dev/v1. The endpoint is OpenAI-compatible. One key and one balance cover all models on the gateway.

Links

All models and prices · API documentation · Quick start

Available through the llmka.dev gateway: OpenAI- and Anthropic-compatible endpoints, one key, USDT top-up.