Nous Research · llm model
Arete-27B
Arete-27B is Nous Research's latest language model in our dataset, released Nov 6, 2026. Open weights (Apache 2.0). Nous Research's Apache 2.0 supervised fine-tune of Qwen3.8-27B (27B) aimed at reducing state-aligned framing; released on Hugging Face Nov 6, 2026. Verified against vendor sources on Nov 8, 2026.
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Primary source: https://huggingface.co/NousResearch/Arete-27B. We are the fast, independent index; the vendor’s own page is the source of record for these model facts.
- ReleasedNov 6, 2026
- LicenceOpen weightsApache 2.0
Modalities not verified
Key facts
Vendor-reported facts are read from the linked vendor page on the date shown above; we did not run the model. Independently tested means we ran it; no fact on this page is. Editorial is our own classification, not a vendor claim. Where a linked page does not itself state a value, the row says so. How to read provenance.
| Fact | Value | Label | Source |
|---|---|---|---|
| Vendor | Nous Research | Editorial | n/a |
| Released | Nov 6, 2026 | Vendor-reported | source |
| Status | generally available | Editorial | n/a |
| Parameters | 27B total Model card lists a 27B parameter scale, fine-tuned from Qwen3.8-27B. | Vendor-reported | source |
| Licence | Apache 2.0 (open weights) | Vendor-reported | source |
Where Arete-27B sits in our data
- Released Nov 6, 2026 (week 45 of 2026), in November 2026. Other models in our data released that month: Ampersand v0.1, Gemini Omni 1.2 Flash, GPT-6 Cyber, Inkling 2 Small.
- All releases by date: AI model releases by month · new AI models this week. Choosing for code: best LLM for coding. Price and rank context: LLM pricing comparison · cheapest LLM API · OpenRouter pricing · best AI model right now.
Alternatives to Arete-27B
Language models from other vendors that share at least one of our groups with Arete-27B. Comparable on paper, from each model’s sourced facts; we have not run them.
- Ampersand v0.1Humans& · Both in: Agents · released Nov 6, 2026
- GPT-6 CyberOpenAI · Both in: Agents · $20 in / $100 out per 1M tokens · 1.05M context · released Nov 5, 2026
- Inkling 2 SmallThinking Machines Lab · Both in: Agents · released Nov 5, 2026
- LongCat-2.5LongCat (Meituan) · Both in: Agents · $0.3 in / $1.2 out per 1M tokens (launch promo, Listed as a limited-time discount with no end date or regular price given.; list price after the promo not stated) · 1M context · released Nov 2, 2026
- Gemini 4 CarbonGoogle · Both in: Agents · $2 in / $10 out per 1M tokens (introductory price, end date not stated; list $4 / $20) · released Oct 28, 2026
- GPT-6.1 TerraOpenAI · Both in: Agents · $1 in / $5 out per 1M tokens · 1.05M context · released Oct 26, 2026
Side by side: Best AI model for agents (Nov 2026): Claude Opus 5.5 leads Terminal-Bench 4.0 · Best open-weight LLMs (Nov 2026): GLM-5.3 leads Terminal-Bench 4.0
What the sources say
These are claims from the linked pages, not our measurements.
- Nous Research reports answers with propaganda falling from 22% (Qwen3.8-27B) to 0.9% on its 803-prompt eval, with Hermes Bench 65.60% vs 65.77%. These are vendor figures.
What we tested
Nothing yet. We have not run Arete-27B ourselves, so every fact on this page is Reported from the sources below. When we do test it, the scope will be stated here and in our test logs. See methodology.
Not verified, left out
We could not confirm these on a vendor page, so we do not state them.
- Inference context window and API pricing were not stated on the model card (training context was 64k).
- All benchmark figures are Nous Research's own runs, including an LLM-judged internal propaganda evaluation.
Arete-27B FAQ
When was Arete-27B released?
Nous Research released Arete-27B on Nov 6, 2026. Source.
Is Arete-27B open weights?
Yes. The weights are published under Apache 2.0. Source.
Has Agentic Weekly tested Arete-27B?
Not yet. Every fact on this page is Reported: read from the linked vendor pages, not measured by us.
Sources
Compare and guides
We have no head-to-head page or guide that names Arete-27B yet. These hubs cover the models we do compare.
All model comparisons · All guides · Model releases by month
Related briefs on Arete-27B
- Nous Research releases Arete-27B, a Qwen3.8-27B fine-tune that cuts propaganda answers to 0.9% (Reported; first seen 2026-11-08 06:45 UTC)
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