Model · multimodal model
Apertus 1.5
Apertus 1.5 is a multimodal model from Project Apertus, first covered on 15 October 2026. It is available as open weights you can download and run. Its context window is 262,144 tokens.
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Quick facts
- Who makes Apertus 1.5?
- Apertus 1.5 is made by Project Apertus.
- When was Apertus 1.5 released?
- The first report of Apertus 1.5's release that Digest AI covered was published on 15 October 2026. Apertus 1.5 adds 4T tokens to 8B model, 2T to 70B, with multimodal and long-context upgrades →
- What type of model is Apertus 1.5?
- Apertus 1.5 is a multimodal model.
- Are Apertus 1.5's weights open?
- Yes. Apertus 1.5 is released as open weights that can be downloaded and run.
- What is Apertus 1.5's context window?
- Apertus 1.5's context window is 262,144 tokens.
- Where is Apertus 1.5 available?
- Apertus 1.5 is available as open weights that can be downloaded and run. arxiv.org/abs/2610.15542 ↗
Taken from the coverage, not from our own testing. A question is left out when none of the reports we read gave the answer. All tracked models →
1 story about Apertus 1.5
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Apertus 1.5 adds 4T tokens to 8B model, 2T to 70B, with multimodal and long-context upgrades
Apertus released version 1.5 of its open-weight models, adding 4 trillion tokens to the 8B model and 2 trillion to the 70B model. The update expands context to 262,144 tokens, introduces native multimodal understanding…
1 source primary sourceHugging Face
