Post-Cutoff

Model releases: everything we have

Every model releases event we have logged, with sources, in one place.

105 events (64 after June 2026), 56 models, 723 videos, 186 posts. Latest event 23 October 2026.

Download everything as one Markdown file (641 KB) Full text and every source of each event, plus models, upcoming items, videos and posts. Readable as plain text, and ready to give to an AI model.

Key moments

2026

2025

  • OpenAI releases GPT-5.2OpenAI released GPT-5.2 in Instant, Thinking and Pro variants, about three weeks after Gemini 3, reportedly accelerated by an internal ‘code red’; it targeted professional knowledge work such as spreadsheets…
  • Anthropic releases Claude Opus 4.5Claude Opus 4.5 set a new state of the art on SWE-bench Verified (80.9%) at a much lower price than prior Opus models, and Anthropic reported it scored higher than any human candidate ever on its take-home…
  • Google launches Gemini 3Google released Gemini 3 Pro, which topped LMArena with a 1501 Elo and led many reasoning and multimodal benchmarks, shipping on day one across Search, the Gemini app and a new agentic IDE, Google Antigravity.
  • Anthropic releases Claude Sonnet 4.5Claude Sonnet 4.5 became the state-of-the-art model on SWE-bench Verified and OSWorld, able to maintain focus on complex tasks for over 30 hours; Anthropic also launched the Claude Agent SDK and Claude Code 2.0. Claude…
  • OpenAI launches GPT-5GPT-5 unified OpenAI’s fast and reasoning models into one system with a real-time router, becoming the default ChatGPT model for all users with state-of-the-art results in coding, math and health, and reduced…
  • ByteDance Seed LiveInterpret 2.0: end-to-end Chinese-English simultaneous interpretation in your own voice, ~3 s behindOn 2025-07-24 ByteDance’s Seed team released Seed LiveInterpret 2.0, an end-to-end speech-to-speech simultaneous interpretation model for Chinese<->English that speaks the translation in the speaker’s cloned voice about…
  • Anthropic releases Claude Opus 4 and Sonnet 4; Claude Code goes GAClaude Opus 4 and Sonnet 4 led coding benchmarks and could work autonomously for hours; Opus 4 was the first model Anthropic deployed under its stricter ASL-3 safety standard, and Claude Code became generally available.
  • Gemini 2.5 Pro takes the top of the leaderboardsGoogle released Gemini 2.5 Pro, a ‘thinking’ model that debuted at #1 on LMArena by a significant margin with a 1M-token context window, marking Google’s arrival at the frontier.
  • Claude 3.7 Sonnet (hybrid reasoning) and Claude Code previewAnthropic released Claude 3.7 Sonnet, the first hybrid reasoning model able to answer instantly or use visible extended thinking, together with a research preview of Claude Code, an agentic coding tool that runs in the…

2024

2023

  • Google DeepMind launches Gemini 1.0Google introduced Gemini 1.0 in Ultra, Pro and Nano sizes, a natively multimodal model family; Gemini Ultra was reported as the first model to exceed human-expert performance on MMLU (90.0%).
  • Anthropic releases Claude 2 with public claude.ai accessClaude 2 improved coding, math and reasoning, offered a 100K-token context window, and launched with the public claude.ai beta in the US and UK.
  • Anthropic releases ClaudeAnthropic opened access to Claude, its AI assistant trained with Constitutional AI, in two versions: Claude and the faster, cheaper Claude Instant.
  • OpenAI releases GPT-4GPT-4, a large multimodal model accepting image and text input, reached human-level performance on many professional and academic exams, such as a simulated bar exam around the top 10% of test takers.

2020

2019

2018

Models

Videos

The Markdown file lists all 723.

All topics