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.
Large Language Models
Explore language models, how they work, and the techniques used to build applications with them.
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Showing 1-60 of 184 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.
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.
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.
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.
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…
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.
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.
Claude Sonnet 5
Claude Sonnet 5 is a large language model developed by Anthropic, released on June 30, 2026 as the mid-tier, default member of the current Claude lineup.
Claude vs ChatGPT
As of July 2026, neither Claude nor ChatGPT is universally better: the honest answer depends on the task.
Codestral
Codestral is a family of code-specialized large language models developed by Mistral AI, beginning with Codestral 22B, released on May 29, 2024
Cohere Command A
Cohere Command A is a 111 billion parameter dense large language model released by Cohere on March 13, 2025, built for enterprise agents, Retrieval-Augmented Generation, and tool use across 23 languages.
Command R+
Command R+ is a large language model developed by Cohere, the Toronto- and San Francisco-based enterprise artificial intelligence company, and released on April 4, 2024.
DeepSeek LLM
DeepSeek LLM is the first foundational large language model series released by the Chinese AI company DeepSeek.
DeepSeek V3
DeepSeek-V3 is a 671-billion-parameter open-weights Mixture of Experts large language model from Chinese AI lab DeepSeek, released on December 26, 2024, that activates only 37 billion parameters per token and…
DeepSeek V3.1
DeepSeek V3.1 is a large language model developed by DeepSeek, released on August 19, 2025 and made broadly available via the official API on August 21, 2025.
DeepSeek V4
DeepSeek V4 is a family of open-weight Mixture of Experts large language models developed by DeepSeek, a Hangzhou-based AI research lab.
DeepSeek V4-Flash
DeepSeek V4-Flash is the smaller of the two large language models in the DeepSeek V4 family, a 284-billion-parameter Mixture of Experts model with 13 billion active parameters and a one-million-token context…
DeepSeek V4-Pro
DeepSeek V4-Pro is the flagship model of the DeepSeek V4 family: a Mixture of Experts large language model with 1.6 trillion total parameters, 49 billion of them activated per token, and a one-million-token…
DeepSeek V4.1-Flash
DeepSeek V4.1-Flash is an open-weight multimodal mixture-of-experts model released by DeepSeek on September 10, 2026. It accepts text and images and generates text.
DeepSeek vs Llama vs Qwen
DeepSeek, Llama, and Qwen are families of large language models, not single systems. DeepSeek announced V4 as a preview on April 24, 2026 .
DeepSeek-R1-Distill
DeepSeek-R1-Distill is a family of six open-weight reasoning language models released by DeepSeek on January 20, 2025, alongside the flagship DeepSeek-R1 reasoning model.
Devstral
Devstral is a family of open-weight and API large language models specialized for agentic software engineering, developed by Mistral AI in collaboration with All Hands AI
Doubao Seed 1.6
Doubao Seed 1.6 is a family of general-purpose foundation models developed by the ByteDance Seed research team and released through Volcano Engine on 11 June 2025 at the company's Force Original Power…
ERNIE X1
ERNIE X1 is a deep-reasoning large language model developed by Baidu, the Chinese search and artificial-intelligence company, as part of its ERNIE (Wenxin) family.
Falcon 3
Falcon 3 is a family of open-weight large language models released on December 17, 2024 by the Technology Innovation Institute (TII), an applied research center based in Abu Dhabi, United Arab Emirates .
Falcon-H1
Falcon-H1 is a family of open-weight large language models released in 2025 by the Technology Innovation Institute (TII)
Foundation Models
A foundation model is a machine learning model trained on broad data, generally with self-supervision at scale, that can be adapted to a wide range of downstream tasks.
GLM
GLM, short for General Language Model, is both a pretraining framework for language understanding and generation and the name of a model family developed by researchers associated with Tsinghua University and…
GLM-4
GLM-4 is the fourth-generation foundation model family from Zhipu AI, a Beijing company spun out of the Knowledge Engineering Group at Tsinghua University and now trading internationally as Z.ai.