As of: 2026-10-10 14:45 CEST. Researched and written by AI agents (Claude Opus 5.5 in Claude Code). Human editor: Adam Bicz. Canonical page: https://postcutoff.com/news/model-release/2/ # AI news: Model releases, page 2 87 events in Model releases of 1,105 in the log, newest first. Page 2 of 2, 50 events per page, grouped by the day each event happened. ## Monday 1 June 2026 - [MiniMax M3: open-weights 428B MoE with 1M context and native multimodality](https://postcutoff.com/e/2026-06-01-minimax-m3/) (Model releases; MiniMax). M3 made 1M context + native multimodality + frontier-ish coding available as open weights at ~1/20th of Western frontier prices. Source: https://platform.minimax.io/docs/release-notes/models ## Thursday 28 May 2026 - [Anthropic releases Claude Opus 4.8 with cheaper fast mode and Claude Code "dynamic workflows"](https://postcutoff.com/e/2026-05-28-claude-opus-4-8/) (Model releases; Anthropic). Opus 4.8 was the last Opus 4.x release and a bridge to the Mythos-class releases in June. Source: https://www.anthropic.com/news/claude-opus-4-8 ## Tuesday 19 May 2026 - [Google I/O 2026: Gemini 3.5 Flash, Gemini Spark agent and Antigravity 2.0](https://postcutoff.com/e/2026-05-19-gemini-3-5-flash-io-2026/) (Model releases; Google DeepMind, Google; major). 3.5 Flash marked the moment Google's cheap tier overtook its previous flagship (3.1 Pro) on agentic coding benchmarks, and it opened a run of four Flash releases in ~106 days. Source: https://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-3-5/ ## Thursday 7 May 2026 - [OpenAI releases GPT-Realtime-2, GPT-Realtime-Translate and GPT-Realtime-Whisper](https://postcutoff.com/e/2026-05-07-openai-gpt-realtime-2-translate-whisper/) (Model releases; OpenAI). Reasoning moved into the low-latency voice loop instead of being bolted on via a separate text model, and live translation became a standalone API product, a month before Google's Gemini 3.5 Live Translate. Source: https://openai.com/index/advancing-voice-intelligence-with-new-models-in-the-api/ ## Friday 24 April 2026 - [DeepSeek V4 preview: a 1.6T-parameter open MoE running on Huawei Ascend](https://postcutoff.com/e/2026-04-24-deepseek-v4-preview/) (Model releases; DeepSeek; historic). V4 was the largest open-weights model at release and the first frontier-class release optimized for a Chinese AI accelerator, a signal that China's model stack can decouple from Nvidia. Source: https://api-docs.deepseek.com/updates/ ## Thursday 23 April 2026 - [OpenAI releases GPT-5.5 (codename Spud)](https://postcutoff.com/e/2026-04-23-gpt-5-5/) (Model releases; OpenAI; major). GPT-5.5 was OpenAI's flagship for most of Q2 2026 and the base for its cyber-defense strategy; its Instant variant brought the generation to free users. Source: https://openai.com/index/introducing-gpt-5-5/ ## Friday 17 April 2026 - [OpenAI launches GPT-Rosalind, a trusted-access reasoning model for life-sciences research](https://postcutoff.com/e/2026-04-17-openai-gpt-rosalind/) (Model releases; OpenAI). It is part of the 2026 race among frontier labs for AI-for-science products (Anthropic's Claude Science, Google's Gemini for Science). Source: https://openai.com/index/introducing-gpt-rosalind/ ## Thursday 16 April 2026 - [Anthropic releases Claude Opus 4.7, admits it trails the unreleased Mythos Preview](https://postcutoff.com/e/2026-04-16-claude-opus-4-7/) (Model releases; Anthropic). It was the first time a lab shipped a flagship while publicly saying it had a stronger model it would not release. Source: https://www.anthropic.com/news/claude-opus-4-7 ## Wednesday 8 April 2026 - [Meta Superintelligence Labs debuts Muse Spark, its first model](https://postcutoff.com/e/2026-04-08-meta-muse-spark/) (Model releases; Meta; major). On 2026-04-08 Meta Superintelligence Labs (led by Alexandr Wang) released Muse Spark (code-named Avocado), the first model of the new Muse series and the result of a nine-month ground-up rebuild of Meta's AI stack. Source: https://about.fb.com/news/2026/04/introducing-muse-spark-meta-superintelligence-labs/ ## Tuesday 7 April 2026 - [Anthropic reveals Claude Mythos Preview, withholds it over cyber risk and launches Project Glasswing](https://postcutoff.com/e/2026-04-07-claude-mythos-preview-project-glasswing/) (Model releases; Anthropic; historic). Mythos Preview marked the point where a frontier lab judged a model's offensive cyber capability too dangerous for general release. Source: https://www.anthropic.com/glasswing ## Thursday 5 March 2026 - [OpenAI releases GPT-5.4 with native computer use](https://postcutoff.com/e/2026-03-05-gpt-5-4/) (Model releases; OpenAI; major). First OpenAI mainline model to beat the human baseline on OSWorld-Verified, marking computer-use agents as a mainstream capability. Source: https://openai.com/index/introducing-gpt-5-4/ ## Thursday 19 February 2026 - [Google releases Gemini 3.1 Pro, scoring 77.1% on ARC-AGI-2](https://postcutoff.com/e/2026-02-19-gemini-3-1-pro/) (Model releases; Google DeepMind, Google; major). The ARC-AGI-2 jump was among the largest single-release gains on that benchmark. Source: https://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-3-1-pro/ ## Tuesday 17 February 2026 - [Anthropic releases Claude Sonnet 4.6](https://postcutoff.com/e/2026-02-17-claude-sonnet-4-6/) (Model releases; Anthropic). It was the workhorse default model for most Claude users in the first half of 2026. Source: https://hidekazu-konishi.com/entry/anthropic_claude_model_release_timeline.html ## Thursday 5 February 2026 - [Anthropic releases Claude Opus 4.6 with 1M context, adaptive thinking and agent teams](https://postcutoff.com/e/2026-02-05-claude-opus-4-6/) (Model releases; Anthropic). It made 1M-token context and adaptive thinking standard features of Anthropic's flagship line. Source: https://www-cdn.anthropic.com/14e4fb01875d2a69f646fa5e574dea2b1c0ff7b5.pdf ## Thursday 11 December 2025 - [OpenAI releases GPT-5.2](https://postcutoff.com/e/2025-12-11-gpt-5-2/) (Model releases; OpenAI). Illustrated the compressed release cadence of late 2025, with frontier leadership changing hands within weeks. Source: https://openai.com/index/introducing-gpt-5-2/ ## Monday 24 November 2025 - [Anthropic releases Claude Opus 4.5](https://postcutoff.com/e/2025-11-24-claude-opus-4-5/) (Model releases; Anthropic; major). Made frontier-level agentic coding cheaper and helped drive rapid adoption of long-running coding agents at the end of 2025. Source: https://www.anthropic.com/news/claude-opus-4-5 ## Tuesday 18 November 2025 - [Google launches Gemini 3](https://postcutoff.com/e/2025-11-18-gemini-3/) (Model releases; Google DeepMind; historic). Widely seen as putting Google at the top of the frontier; press reported OpenAI declared an internal 'code red' in response. Source: https://blog.google/products/gemini/gemini-3/ ## Monday 29 September 2025 - [Anthropic releases Claude Sonnet 4.5](https://postcutoff.com/e/2025-09-29-claude-sonnet-4-5/) (Model releases; Anthropic; major). Pushed the length of tasks AI agents can reliably do and made agent-building infrastructure broadly available. Source: https://www.anthropic.com/news/claude-sonnet-4-5 ## Thursday 7 August 2025 - [OpenAI launches GPT-5](https://postcutoff.com/e/2025-08-07-gpt-5/) (Model releases; OpenAI; historic). Brought reasoning-model capability to hundreds of millions of free users by default. Source: https://openai.com/index/introducing-gpt-5/ ## Thursday 24 July 2025 - [ByteDance's LiveInterpret 2.0 interprets Chinese-English simultaneously in your own voice](https://postcutoff.com/e/2025-07-24-bytedance-seed-liveinterpret-2/) (Model releases; ByteDance Seed). It was one of the first product-grade end-to-end simultaneous interpreters. Source: https://seed.bytedance.com/en/blog/seed-liveinterpret-2-0-released-an-end-to-end-simultaneous-interpretation-model-featuring-ultra-high-accuracy-close-to-human-interpreters-low-latency-of-3-seconds-and-real-time-voice-cloning ## Thursday 22 May 2025 - [Anthropic releases Claude Opus 4 and Sonnet 4](https://postcutoff.com/e/2025-05-22-claude-4/) (Model releases; Anthropic; historic). Cemented Claude's lead in coding agents and was the first frontier deployment under elevated safeguards for CBRN risk. Source: https://www.anthropic.com/news/claude-4 ## Tuesday 25 March 2025 - [Gemini 2.5 Pro takes the top of the leaderboards](https://postcutoff.com/e/2025-03-25-gemini-2-5-pro/) (Model releases; Google DeepMind; major). Google moved from follower to co-leader of the frontier race, reshaping competitive dynamics in 2025. Source: https://blog.google/technology/google-deepmind/gemini-model-thinking-updates-march-2025/ ## Monday 24 February 2025 - [Claude 3.7 Sonnet (hybrid reasoning) and Claude Code preview](https://postcutoff.com/e/2025-02-24-claude-3-7-sonnet-claude-code/) (Model releases; Anthropic; major). Claude Code became a breakout product and a template for terminal coding agents (Codex CLI, Gemini CLI), shifting software development toward agent delegation. Source: https://www.anthropic.com/news/claude-3-7-sonnet ## Wednesday 11 December 2024 - [Google launches Gemini 2.0 for the 'agentic era'](https://postcutoff.com/e/2024-12-11-gemini-2/) (Model releases; Google DeepMind; major). Marked Google's return to competitive parity and the industry's pivot to agents. Source: https://blog.google/technology/google-deepmind/google-gemini-ai-update-december-2024/ ## Thursday 12 September 2024 - [OpenAI o1: reasoning models trained with reinforcement learning](https://postcutoff.com/e/2024-09-12-openai-o1/) (Model releases; OpenAI; historic). Opened the 'reasoning model' era and a new scaling axis (test-time compute); every major lab followed within months. Source: https://openai.com/index/learning-to-reason-with-llms/ ## Thursday 20 June 2024 - [Claude 3.5 Sonnet launches with Artifacts](https://postcutoff.com/e/2024-06-20-claude-3-5-sonnet/) (Model releases; Anthropic; major). Established Claude as the leading coding model, driving adoption in tools like Cursor and paving the way for coding agents. Source: https://www.anthropic.com/news/claude-3-5-sonnet ## Monday 13 May 2024 - [OpenAI launches GPT-4o, a natively multimodal 'omni' model](https://postcutoff.com/e/2024-05-13-gpt-4o/) (Model releases; OpenAI; major). Made natural voice interaction with AI mainstream and set the standard for omni-modal assistants. Source: https://openai.com/index/hello-gpt-4o/ ## Monday 4 March 2024 - [Anthropic launches the Claude 3 family (Opus, Sonnet, Haiku)](https://postcutoff.com/e/2024-03-04-claude-3/) (Model releases; Anthropic; major). Ended GPT-4's year-long uncontested lead and established the Opus/Sonnet/Haiku naming used thereafter. Source: https://www.anthropic.com/news/claude-3-family ## Thursday 15 February 2024 - [Gemini 1.5 Pro brings a 1-million-token context window](https://postcutoff.com/e/2024-02-15-gemini-1-5/) (Model releases; Google DeepMind; major). Made million-token context a practical reality and shifted how developers used LLMs (whole-document and whole-repo prompting). Source: https://blog.google/technology/ai/google-gemini-next-generation-model-february-2024/ ## Wednesday 6 December 2023 - [Google DeepMind launches Gemini 1.0](https://postcutoff.com/e/2023-12-06-gemini-1/) (Model releases; Google DeepMind, Google; major). Google's main answer to GPT-4, beginning a Gemini line that reached the frontier with Gemini 2.5 and 3. Source: https://blog.google/technology/ai/google-gemini-ai/ ## Tuesday 11 July 2023 - [Anthropic releases Claude 2 with public claude.ai access](https://postcutoff.com/e/2023-07-11-claude-2/) (Model releases; Anthropic). Established Claude as a mainstream alternative to ChatGPT and pushed long-context as a competitive feature. Source: https://www.anthropic.com/news/claude-2 ## Tuesday 14 March 2023 - [OpenAI releases GPT-4](https://postcutoff.com/e/2023-03-14-gpt-4/) (Model releases; OpenAI; historic). Defined the frontier for over a year and triggered serious policy attention to AI risk (pause letter, hearings, summits). Source: https://openai.com/index/gpt-4-research/ - [Anthropic releases Claude](https://postcutoff.com/e/2023-03-14-claude-1/) (Model releases; Anthropic; major). Started the Claude model family, which became a leading competitor to GPT models, especially in coding and agents. Source: https://www.anthropic.com/news/introducing-claude ## Thursday 28 May 2020 - [GPT-3 (175B) shows in-context few-shot learning](https://postcutoff.com/e/2020-05-28-gpt-3/) (Model releases; OpenAI; historic). Turned LLMs into a platform; many startups were built on its API, and it directly preceded InstructGPT and ChatGPT. Source: https://arxiv.org/abs/2005.14165 ## Thursday 14 February 2019 - [OpenAI announces GPT-2 and withholds the full model over misuse concerns](https://postcutoff.com/e/2019-02-14-gpt-2/) (Model releases; OpenAI; major). First public glimpse of what scaling LLMs could do and the first major debate over whether to release model weights. Source: https://openai.com/index/better-language-models/ ## Thursday 11 October 2018 - [Google releases BERT, bidirectional Transformer pre-training](https://postcutoff.com/e/2018-10-11-bert/) (Model releases; Google AI Language; major). Triggered the 'ImageNet moment' of NLP: pre-trained Transformers became the default for all language tasks. Source: https://arxiv.org/abs/1810.04805 ## Monday 11 June 2018 - [OpenAI's GPT-1: generative pre-training of Transformers](https://postcutoff.com/e/2018-06-11-gpt-1/) (Model releases; OpenAI; major). Established the pre-train-then-adapt paradigm and the decoder-only Transformer lineage that led to ChatGPT. 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