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...
With CoreAI, you can start chatting with Reflection: Beam 1.0 501B A23B instantly — no separate subscription needed. CoreAI lets you chat with Reflection: Beam 1.0 501B A23B alongside 300+ other AI models from Reflection and other providers like OpenAI, Anthropic, Google, Meta, and more.
Measured against all 448 chat models CoreAI serves, Reflection: Beam 1.0 501B A23B sits at #44 for context capacity — 1.0M tokens, roughly 786,432 words or 1,573 pages of text in a single conversation. On price, it is the #23 cheapest of 208 standard-tier models by input cost. Released 2026-10-16, it is one of the 1 newest additions to the catalog. It supports step-by-step reasoning (thinking mode).
Every model in this table is available on CoreAI — open the web app and run the same prompt through Reflection: Beam 1.0 501B A23B and Meta: Muse Spark Open side by side to judge with your own eyes.
A typical question (about 1,000 tokens in, 500 out) runs $0.00075 on Reflection: Beam 1.0 501B A23B's raw per-token rates; a heavy session with a 50K-token document costs about $0.018. On CoreAI you don't juggle these numbers — one subscription covers Reflection: Beam 1.0 501B A23B and 300+ other models under a plan usage limit, with no API keys. See plans.
Reflection: Beam 1.0 501B A23B handles 1.0M tokens of context — roughly 786,432 words, or about 1,573 pages of text in one conversation.
Reflection: Beam 1.0 501B A23B's underlying rates are $0.25 per 1M input tokens and $1 per 1M output tokens. On CoreAI it is included in one subscription alongside 300+ models, so there is no per-token billing to manage.
No — Reflection: Beam 1.0 501B A23B is text-only. If you need image understanding, its standard-tier peers with vision are listed in the comparison table above.
Yes. Reflection: Beam 1.0 501B A23B can work through problems step by step before answering; on CoreAI you can toggle thinking mode per message.
Open the CoreAI web app or the iOS/Android app, pick Reflection: Beam 1.0 501B A23B in the model selector, and chat — no API key, no per-token billing. One subscription covers Reflection: Beam 1.0 501B A23B and 300+ other models.
The closest alternatives on CoreAI are Meta: Muse Spark Open, DeepSeek: DeepSeek V4 Flash Latest — similar tier and capability. The fastest way to choose is running one prompt through them side by side in CoreAI's Compare view.
Chat with Reflection: Beam 1.0 501B A23B and 300+ other AI models — all in one app.