AI Model Release Timeline (2022-2026)
The pace of frontier AI model releases went from a single landmark launch in late 2022 to a new flagship roughly every one to two weeks by 2026.
AI Models
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Showing 1-60 of 408 articles
Abliterated Model Large V2
Abliterated Model Large V2 is a hosted, text-only reasoning large language model offered by Abliteration.ai under the API identifier abliterated-model-large-v2.
Agent57
Agent57 is a model-free distributed reinforcement learning algorithm developed by Google DeepMind and reported in 2020.
Alpaca (model)
Alpaca is an instruction-following language model released on March 13, 2023 by Stanford University's Center for Research on Foundation Models (CRFM)
AlphaEvolve
AlphaEvolve is an evolutionary coding agent developed by Google DeepMind and announced on May 14, 2025 .
AlphaFold 3
AlphaFold 3 is a biomolecular structure prediction system developed jointly by Google DeepMind and Isomorphic Labs and published in Nature on May 8, 2024.
AlphaGenome
AlphaGenome is a unified deep learning model developed by Google DeepMind that predicts thousands of functional genomic properties from raw DNA sequences.
AlphaGeometry
AlphaGeometry is a neuro-symbolic artificial intelligence system developed by Google DeepMind that solves competition-level geometry problems at a standard comparable to human Olympiad gold medalists.
AlphaProof
AlphaProof is a reinforcement-learning system from Google DeepMind that finds and verifies formal mathematical proofs in the Lean 4 theorem prover
AlphaProteo
AlphaProteo is a machine learning system developed by Google DeepMind for the de novo design of high-affinity protein binders, novel proteins that attach tightly to a chosen target.
Amazon Nova Act
Amazon Nova Act is an agentic AI model and developer software development kit (SDK) from Amazon for building AI agents that reliably perform multi-step actions inside a web browser.
Amazon Nova Sonic
Amazon Nova Sonic is a real-time speech-to-speech foundation model developed by Amazon and offered through Amazon Bedrock. Announced on April 8, 2025, it is part of the Amazon Nova family of foundation models.
Apertus
Apertus is a fully open, multilingual large language model developed in Switzerland and released on September 2, 2025, by EPFL, ETH Zurich, and the Swiss National Supercomputing Centre (CSCS) under the Swiss…
Apple Foundation Models
Apple Foundation Models (AFM) are the family of large language models Apple built to power Apple Intelligence, the company's generative AI system introduced at WWDC 2024 in June 2024.
Apriel (ServiceNow)
Apriel is a family of open-weight small language models developed by ServiceNow, the enterprise-software company, through its in-house AI research organization.
Audio Models
Audio models are machine learning systems that take audio as input, produce audio as output, or both, spanning speech recognition, speech synthesis, music generation, sound effect generation, voice conversion…
Audio-to-Audio Models
Audio-to-audio models are machine learning systems that take an audio waveform as input and produce a different audio waveform as output.
Automatic Speech Recognition Models
Automatic speech recognition (ASR) models, also called speech-to-text systems, are machine learning systems that convert spoken audio into written text.
Aya (Expanse / Vision)
Aya is an open multilingual model family and global research initiative from Cohere Labs (formerly Cohere For AI, or C4AI), the nonprofit research arm of the Canadian artificial intelligence company Cohere.
BART (language model)
BART (an acronym for Bidirectional and Auto-Regressive Transformers) is a transformer-based encoder-decoder language model introduced by Mike Lewis, Yinhan Liu, Naman Goyal, Marjan Ghazvininejad, Abdelrahman…
Bert-base-uncased model
PyTorch, TensorFlow, JAX, Rust, Core ML, Safetensors, Transformers
Best Open-Source LLMs
As of July 2026, the strongest open-weight large language model overall is GLM-5.2 from Z.ai (Zhipu AI), which tops the Artificial Analysis open-weight Intelligence Index at 51 and leads all open models on…
BigBang-v1
BigBang-V1 is an open-weights large language model released on August 2, 2026 by The Endless Frontier, a Shanghai-based research team drawn from Shanghai Jiao Tong University's School of Artificial…
BlenderBot
BlenderBot is a line of open-domain conversational agents built by Facebook AI Research (FAIR), the lab now known as Meta AI.
Boltz
Boltz is a family of open-source biomolecular structure prediction models developed primarily at MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL) and the MIT Jameel Clinic.
Boltz-2
Boltz-2 is an open-source biomolecular foundation model that jointly predicts the 3D structure of biological complexes and the binding affinity between small molecules and proteins.
ByteDance Seed3D 2.0
Seed3D 2.0 is a 3D-asset generation model released by ByteDance's Seed research team on April 23, 2026.
Cartesia
Cartesia is a San Francisco-based AI company focused on real-time voice synthesis, speech recognition, and state space model (SSM) research.
Chai-1
Chai-1 is an open multimodal foundation model for biomolecular structure prediction released by the San Francisco startup Chai Discovery on 9 September 2024.
Chai-2
Chai-2 is a generative artificial intelligence model from Chai Discovery for designing antibodies and small protein binders from scratch.
Chameleon (Meta AI)
Chameleon is a family of early-fusion, token-based mixed-modal foundation models from Meta AI's Fundamental AI Research (FAIR) group that represents both images and text as discrete tokens in a single unified…
ChatGPT vs Claude vs Gemini vs Grok
Comparison date: July 28, 2026. Product access, model routing, prices, and features can change. This article separates the consumer products from the models and APIs available through them.
Chinchilla
Chinchilla is a 70-billion-parameter transformer large language model and an accompanying family of compute-optimal scaling laws, both introduced in the March 2022 paper Training Compute-Optimal Large Language…
Claude 1
Claude 1 was the first generation of Anthropic's Claude family of large language models, launched in March 2023 and offered in two variants: a full-sized model called simply Claude and a faster
Claude 2
Claude 2 is a large language model released by Anthropic on July 11, 2023, the second major version of the company's Claude family of conversational AI systems and the first Claude model offered directly to…
Claude 2.1
Claude 2.1 is a large language model released by Anthropic on November 21, 2023, as an incremental update to Claude 2.
Claude 3
Claude 3 is a family of three large language models released by Anthropic on March 4, 2024, comprising Claude 3 Haiku, Claude 3 Sonnet, and Claude 3 Opus in ascending order of capability and cost .
Claude 3 Haiku
Claude 3 Haiku is the fastest and most compact model in the Claude 3 family, a generation of large language models released by Anthropic in March 2024.
Claude 3 Opus
Claude 3 Opus is a large language model developed by Anthropic and released on March 4, 2024 as the flagship of the Claude 3 family.
Claude 3 Sonnet
Claude 3 Sonnet is the balanced mid-tier large language model in Anthropic's Claude 3 family, released on March 4, 2024 alongside the more powerful Claude 3 Opus and the smaller, faster Claude 3 Haiku.
Claude 3.5 Haiku
Claude 3.5 Haiku is a fast, low-cost large language model developed by Anthropic, announced on October 22, 2024 and released through the Claude API on November 4, 2024 as the smallest and most affordable…
Claude 3.5 Sonnet
Claude 3.5 Sonnet was a proprietary multimodal large language model developed by Anthropic.
Claude 3.7 Sonnet
Claude 3.7 Sonnet is a large language model developed by Anthropic and released on February 24, 2025
Claude 4
Claude 4 is the fourth-generation family of large language models developed by Anthropic, an American AI safety company.
Claude Fable 5
Claude Fable 5 is a large language model developed by Anthropic and released on June 9, 2026, as the first publicly available model in a new "Mythos class" that the company describes as "a tier of Claude…
Claude Fable 5.1
Claude Fable 5.1 is a large language model developed by Anthropic and released on September 1, 2026 as the successor to Claude Fable 5 in the company's Mythos-class tier
Claude Haiku 4.5
Claude Haiku 4.5 is a small, fast large language model developed by Anthropic and released on October 15, 2025, as the lightweight, high-speed member of the Claude 4.5 model family.
Claude Instant
Claude Instant was Anthropic's fast, low-cost line of large language models, offered through the Anthropic API from March 2023 to November 2024 as the lightweight counterpart to the flagship Claude models.
Claude Mythos 5
Claude Mythos 5 is a large language model released by Anthropic on June 9, 2026 as the restricted top tier of its Claude family.
Claude Mythos 5.1
Claude Mythos 5.1 is the restricted-access deployment of the large language model that Anthropic released on September 1, 2026, alongside its generally available twin, Claude Fable 5.1.
Claude Mythos Preview
Claude Mythos Preview, usually shortened to Mythos, is a frontier language model developed by Anthropic and announced on April 7, 2026.
Claude Opus 4
Claude Opus 4 is a large language model released by Anthropic on May 22, 2025 as the flagship of the Claude 4 generation, billed at launch as "the world's best coding model" and the first Anthropic model…
Claude Opus 4.1
Claude Opus 4.1 is a large language model developed by Anthropic and released on August 5, 2025.
Claude Opus 4.5
Claude Opus 4.5 is a large language model developed by Anthropic and released on November 24, 2025.
Claude Opus 4.6
Claude Opus 4.6 is a large language model developed by Anthropic and released on February 5, 2026, positioned at launch as the company's most capable generally available model for long-horizon agentic work…
Claude Opus 4.7
Claude Opus 4.7 is a hybrid reasoning large language model released by Anthropic on April 16, 2026 as the company's most capable generally available model at launch.
Claude Opus 4.8
Claude Opus 4.8 is a large language model developed by Anthropic, released on May 28, 2026 as the most capable generally available member of the company's Claude 4 line at launch.
Claude Opus 5
Claude Opus 5 is a large language model released by Anthropic on 24 July 2026, the newest entry in the Claude Opus line and the successor to Claude Opus 4.8.
Claude Sonnet 4
Claude Sonnet 4 is a multimodal hybrid-reasoning large language model developed by Anthropic and released on May 22, 2025.
Claude Sonnet 4.6
Claude Sonnet 4.6 is a large language model developed by Anthropic and released on February 17, 2026.