Their EU contact
If something goes wrong inside the EU, this is who to contact.
Anthropic Ireland, Limited
6th Floor South Bank House, Barrow Street, Dublin, Leinster, IE
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TypeAI Model
Made byAnthropic
FromUS
Last checkedMay 5, 2026Added February 10, 2026
Claude Sonnet 3.5 (upgraded)
by Anthropic
AI ModelNot fully checked yet
The upgraded Claude 3.5 Sonnet is an enhanced version of the original Claude 3.5 Sonnet, released by Anthropic. It introduces computer use capabilities, allowing the model to interpret screenshots of a GUI and generate appropriate tool calls to perform tasks. This model sets new state-of-the-art standards in agentic coding (SWE-bench Verified), agentic task completion (TAU-bench), and computer use from screenshots (OSWorld). The upgraded Claude 3.5 Sonnet was trained on a proprietary mix of publicly available internet data (up to April 2024), private datasets, and internally generated data. It underwent RLHF (Reinforcement Learning from Human Feedback) and Constitutional AI fine-tuning to align with principles like helpfulness, honesty, and harmlessness. The model is multimodal (text and vision) and multilingual. Safety evaluations show strong alignment, with improved harm reduction and enhanced resistance to prompt injection. It was deployed under AI Safety Level 2 (ASL-2) protections.
- 01
Browse
Built by Anthropic in US. Your data passes through them.
- 02
Track
We watch for changes to their terms so you don't have to.
- 03
Stay in control
1 thing to think about before letting it touch your work
How open is this maker?
Other companies
20/20
Following rules
20/20
Documents
10/25
How it works
15/25
Care & caution
5/10
70%
Pretty open openness
02
Openness Assessment
18%
Closed
Availability
0/5
Documentation
1/6
Access Methods
2/3
03What it does
What this AI can do
- 01Text Generation
- 02Code Generation
- 03Reasoning
- 04Summarization
- 05Translation
04What it sees
The kinds of information it handles
The kinds of information this AI typically takes in
- 01Pii
- 02User Content
- 03Conversation Logs
- 04Code Snippets
- 05Metadata
05Who built it
Who's behind this AI
The people and company behind this AI
Legal name
Anthropic PBC
Also goes by: Anthropic
Website
anthropic.comEmail
press@anthropic.comOffice address
548 Market Street, San Fransisco, CA, 94105, US
Where they're based
Their headquarters
Where the company is officially based.
Headquarters
06Legal & paperwork
What the maker has told EU regulators
What this maker has officially told EU regulators about how their AI works.
Click to see compliance details
These four sections are required by the EU AI Act. Auditors and compliance teams use them — feel free to skim.
How well we know thisUnverified
Stamps & certificates
Stamps and certificates that say the AI passed EU checks.
- PendingEU safety check (CE marking)
- How to use it (official guide)
Where in Europe you can get it
Which EU countries this AI is sold in.
What they've told the public
What the maker has said publicly about how the AI works.
07What to watch for
Things to think about before using it
Potential Risks
1 considerations identified
Review recommended before use
1High
08Other companies involved
Other companies that may touch your data
Other companies this maker works with that may end up handling your data.
09The fine print
Their legal & privacy documents
The legal documents — terms, privacy, security — that spell out the rules.
Terms & legal
Privacy & security
10EU-based
Made in Europe
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