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Open weightsAllen Institute for AI/10 trustMetrics-checked

Olmo-2-Ladder-760M

760M open model with a Ladder architecture — fraction of params active per token.

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About

Olmo-2-Ladder-760M-0.5xC, released July 2026 by the Allen Institute for AI and hosted on Modelers.cn, brings a Ladder architecture to the sub-billion class: it activates only a fraction of its 760 million parameters during inference, trading a bit of raw capacity for a much smaller memory and latency footprint. It is explicitly compatible with Huawei Ascend NPUs, a rarity among Western open models. The intended use is pragmatic — lightweight chatbots, classification, and text completion in cost-sensitive or resource-constrained settings.

The honest picture: 760M parameters is genuinely small, and no architecture trick makes it competitive with multi-billion-parameter models on hard tasks. This is a efficiency play for narrow workloads, not a frontier contender. Ascend compatibility is its differentiator; on NVIDIA hardware it is one competent tiny model among many.

Specs

Context window

Pricing

Free quota

API access

Weights

Open weights

Released

July 21, 2026

Benchmarks

Provider-reported unless a source says otherwise. Benchmarks are marketing-adjacent by nature — treat them as directional.

Use cases

edge-aiclassificationchatbotsopen-weights

Trust score — 6/10

/10 trustMetrics-checked

Scored 6/10 (metrics tier, metrics-v1). Evidence: Verified via vendor site/docs/GitHub and reputable coverage, wave 58; Trending score 58/100 from researcher assessment.

Sources