Xentir 
Multiverse Maps LLM Block Pruning to Ising Glass Optimization
Multiverse Computing reformulated transformer block depth pruning as an Ising spin glass problem, improving benchmark retention at deep compression levels.
Hugging Face
Updated
NVIDIA Highlights Five Clean Energy Companies Using Its AI
Startups and energy developers are using NVIDIA platforms to speed grid reviews, manage reactors, and power data centers.
AINVIDIA
Hubble Image Shows Spiral Galaxy NGC 4698 Rotating Out of Sync
Hubble Space Telescope observations reveal NGC 4698 has a central bulge and core rotating perpendicular to its outer disc.
SCIENCEESA
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Sep 21
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Hex turns analysis visual with GPT-6 Astra
OpenAI reported that Hex turns complex analysis into visual reports using GPT-6 Astra.
AIOpenAI
UN Launches AI-Ready Data Commons with Google
The open-source platform unites disparate United Nations statistical datasets into a single searchable knowledge graph built on Google technology.
AIGoogle
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Sep 20
OpenAI Examines Connecting AI Usage to Business Value
OpenAI published reporting on Sept. 16, 2026, addressing how to connect artificial intelligence usage to business value.
AIOpenAI
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Sep 20
OpenAI Introduces Australian Youth Safety Blueprint
AIOpenAI
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Sep 19
Google Hires Economists to Direct AI and Economy Team
AIGoogle
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Sep 19
Google Flow Adds Custom Tool Creation After Fashion Week Trial
AIGoogle
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Discoveries
All science →Breakthroughs in materials, space, physics, biology and engineering worth knowing.
Perovskite Tandem Solar Cell Achieves 30.77 Percent Efficiency
Researchers developed an MASCN solution healing process that boosts perovskite solar cell efficiency and stability on textured silicon.
Peer reviewed
Hubble and Webb Find 27 Tiny Trans-Neptunian Objects
Joint observations from NASA's space telescopes revealed 27 faint trans-Neptunian objects that retain their primordial compositions and surface colors.
Space
Green Methanol Study Benchmarks Four Production Pathways
Researchers identified performance and cost boundaries for four biomass and renewable power methanol production pathways in a Nature Communications study.
Peer reviewed
NASA Schedules Roman Space Telescope Launch for August 2026
The infrared observatory will launch aboard a SpaceX Falcon Heavy rocket with hardware and ground support from ESA.
Space
Xentir AI Index
Full rankings →Best Overall
166.3
Best Coding
0.835 (max)
Best Reasoning
0.958 (max)
Best Open Model
157.6
| Rank | Model | Overall (ECI) |
|---|---|---|
| 1 | GPT-6 Astra | 166.3 |
| 2 | Claude Fable 5.1 | 164.5 |
| 3 | Claude Fable 5 | 163.3 |
| 4 | Claude Opus 5 | 162.3 |
| 5 | GPT-5.5 Pro | 162.2 |
“Epoch AI, 'AI Benchmarking Hub'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks' [online resource].” · epoch.ai/benchmarks · Licensed CC BY 4.0
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