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Companyfounded in 2004

Meta

Menlo Park, California, United States · official site ↗
5thout of 10Meta AI, its assistant, Celsius score 48 out of 100
Measured models74 with a profile
Best on intelligence15th out of 71Muse Wonder
Figure per questionnothing publishedneither energy nor emissions

Lineage

Assistant
Meta AI
Model families
Muse WonderMuse SparkMuse Glimmer
Headquarters and founding
Menlo Park, California, United States; founded in 2004
Leadership
Mark Zuckerberg, chief executive and founder; Alexandr Wang, head of AI

Founding and headquarters: Meta, annual report 10-K 2025 (SEC, 29/1/2026), 9 November 2026 ↗

Meta AIAssistant · Celsius score48out of 100, 5th out of 10Performance77Ethics31Environment37The assistant profile →

Meta's models

Meta's models, general intelligence and release date

Epoch AI ECI index and its 95% interval; 6 models released in 2026 and measured by the ECI index; 7 models measured in all, in the "Table" tab

AprMayJunJulAugSepOctNov150155160165General intelligence index (ECI)Muse WonderMuse Spark OpenMuse Spark 1.3Muse Spark 1.2Muse Spark 1.1Muse Spark

Dot: the index measured, at the release dateLine: the 95% interval

Sources: Epoch AI, "Capabilities & benchmarking", ECI index and APEX-Agents. CC BY 4.0 licence.

AI Impact, by Projet Celsius

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 the European code (7/2025); Llama opened to the US military (11/2024); minors' access to AI companions approved by management, according to a complaint (1/2026).
Model safety
Grade D+ from the Future of Life Institute (summer 2026, D in 2025), 33% at SaferAI (22% in 2025); Llama 3.1 405B 6th in the Phare ranking (7/2026), but 96% of attacks succeeded at Cisco (1/2025).

Electricity and environmental approach

Decarbonised electricity
10 gas-fired power plants ordered for Hyperion in Louisiana (March 2026); Prometheus powered by gas off the grid.
Company's environmental approach
Climate report for each data centre and SBTi-validated target; in-house MTIA chips; nothing per query.

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 Meta AI page. Models: Epoch AI (CC BY 4.0).

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