Anthropic
Lineage
- Assistant
- Claude
- Model families
- Claude FableClaude OpusClaude SonnetClaude Haiku
- Headquarters and founding
- San Francisco, California, United States; founded in 2021
- Leadership
- Dario Amodei, chief executive and co-founder; Daniela Amodei, president and co-founder
Founding and headquarters: Anthropic, S-1 prospectus (SEC, 26/10/2026), 11 November 2026 ↗
Anthropic's assistant
The assistants ranking →ClaudeAssistant · Celsius score74out of 100, 1st out of 10Performance98Ethics77Environment47The assistant profile →Anthropic's models
Anthropic's models, general intelligence and release date
Epoch AI ECI index and its 95% interval; 12 models released in 2026 and measured by the ECI index; 12 models measured in all, in the "Table" tab
Dot: the index measured, at the release dateLine: the 95% interval3 names in the "Table" tab
Sources: Epoch AI, "Capabilities & benchmarking", ECI index and APEX-Agents. CC BY 4.0 licence.
An underlined name links to the model profile; the others are below the threshold for a profile (3 public measurements, or a place in the top 10 of a benchmark).
Governance and safety
- Company governance
- Refusal of mass surveillance and autonomous weapons to the Pentagon (26/2/2026), sanctioned the next day; military contract capped at $200m (7/2025).
- Model safety
- 1st at the Future of Life Institute (C+, summer 2026) and SaferAI (35%, July 2026); 5 first places in the Phare ranking (7/2026); pause commitment abandoned in February 2026.
Electricity and environmental approach
- Decarbonised electricity
- Mostly in the United States; the prospectus of 26/10/2026 provides for sites powered by on-site gas.
- Company's environmental approach
- No figure for energy, water or emissions; Opus 5.5 "less costly to serve" (September 2026).
Methodology: the ranking criteria ; the electricity use of a task for its models is a Projet Celsius estimate, based on the electricity use ofwriting 1,000 tokens (AI Impact Database).
Scores and facts: assistants ranking, scores as of 11/11/2026 (methodology 1.1), sources on the Claude page. Models: Epoch AI (CC BY 4.0).
Continue in the ranking
The full ranking →AssistantClaude74out of 100, 1st out of 10Scores, plans, models, data and environment.The entry →ModelAnthropicClaude Fable 5.21stout of 71 on general intelligenceAnthropic's best-ranked model on general intelligence.The entry →
CompanyGoogle11models measured, of which 8 with an entryIts assistant, its models, its governance and the electricity of its data centres.The entry →The hub newsletter
This month's ranking, news on the impact of AI and one figure from the AI Impact Database. One newsletter a month at most, free of charge. Past issues
