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Date	Provider	Score	Summary
06 Oct 2026, 3:33 AM	TechCrunch	6.0	Reflection debuts Beam, an open-weight AI model to rival Chinese models at lower compute cost Reflection AI, a Brooklyn-based startup founded in 2024, unveiled Beam, its first open-weight frontier model: a text-only mixture-of-experts with 501B total parameters, 23B active, pre-trained on 23.8T tokens, and a 1M-token context window. Reflection claims Beam matches Z.ai's GLM-5.2 (roughly 744B total / 40B active) on advanced reasoning benchmarks while using 3-4x less inference compute, and that it outscores Thinking Machines Lab's Inkling on four coding tests where both report results, though Inkling is multimodal and Beam is text-only. The benchmarks are self-reported and have not been independently verified. Why: The 23B-active-of-501B design and 1M-token context are the concrete numbers to check before assuming Beam is cheap to serve: if the 3-4x-lower-inference-compute claim survives independent testing, agent pipelines that currently pay per-token to closed APIs have a credible open-weight swap, but the benchmarks are vendor-reported, so treat Beam as a candidate to benchmark on your own eval set rather than a reason to migrate now. Note it is text-only, so anything relying on vision or audio input is unaffected by this launch. open-weight-models moe inference-cost ai-agents benchmarks

Date

Provider

Score

Summary

06 Oct 2026, 3:33 AM

TechCrunch

6.0

Reflection debuts Beam, an open-weight AI model to rival Chinese models at lower compute cost

Reflection AI, a Brooklyn-based startup founded in 2024, unveiled Beam, its first open-weight frontier model: a text-only mixture-of-experts with 501B total parameters, 23B active, pre-trained on 23.8T tokens, and a 1M-token context window. Reflection claims Beam matches Z.ai's GLM-5.2 (roughly 744B total / 40B active) on advanced reasoning benchmarks while using 3-4x less inference compute, and that it outscores Thinking Machines Lab's Inkling on four coding tests where both report results, though Inkling is multimodal and Beam is text-only. The benchmarks are self-reported and have not been independently verified.

Why: The 23B-active-of-501B design and 1M-token context are the concrete numbers to check before assuming Beam is cheap to serve: if the 3-4x-lower-inference-compute claim survives independent testing, agent pipelines that currently pay per-token to closed APIs have a credible open-weight swap, but the benchmarks are vendor-reported, so treat Beam as a candidate to benchmark on your own eval set rather than a reason to migrate now. Note it is text-only, so anything relying on vision or audio input is unaffected by this launch.