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Ossington 4
Flagship reasoning model for complex analysis. Tuned for Canadian law, tax, and Quebec French — with fully Canadian inference and data storage.
Model specifications
Thinking Mode
Extended reasoning
Canadian-Tuned
Law, tax, QC French
Bilingual
EN + QC French
Sovereign
100% Canadian
No Training
Your data is never used for model training.
Encrypted
TLS 1.3 in transit, AES-256 at rest.
Thinking Mode
Extended reasoning for complex tasks.
Built for complex work
Legal Reasoning
Analyze contracts, summarize case law, draft legal memos. Tuned on Canadian law — including Law 25, PIPEDA, and federal procurement requirements.
Strategic Analysis
Process complex documents, cross-reference multiple sources, and produce structured analysis. Work with full reports, not just excerpts.
Long-Form Writing
Generate compliance documentation, policy drafts, and detailed reports. Native bilingual output in English and Québécois French.
Also available: Tofino 2.5 for everyday speed
Try Ossington 4 today
Available on all plans. Free includes a daily limit — upgrade for unlimited.