https://e-acc.ai/timeline Frontier model releases, compute buildouts and culture moments — the AI acceleration, dated and sourced. Updated weekly by e-acc.ai. en Sat, 04 Jul 2026 00:00:00 GMT https://www.anthropic.com/news/claude-fable-5-mythos-5 e-acc.ai:2026-06-09:claude-fable-5-ships Tue, 09 Jun 2026 00:00:00 GMT Anthropic opens the Claude 5 family: always-on adaptive thinking and a 1M-token context window. model https://openai.com/index/introducing-gpt-5-5/ e-acc.ai:2026-04-23:gpt-5-5-ships Thu, 23 Apr 2026 00:00:00 GMT OpenAI's flagship update lands in ChatGPT and Codex; API access follows a day later. model https://www.anthropic.com/news/claude-opus-4-5 e-acc.ai:2025-11-24:claude-opus-4-5-ships Mon, 24 Nov 2025 00:00:00 GMT Anthropic's strongest coding model to date lands days after Gemini 3 — the frontier cadence compresses to weeks. model https://blog.google/products-and-platforms/products/gemini/gemini-3/ e-acc.ai:2025-11-18:gemini-3-ships Tue, 18 Nov 2025 00:00:00 GMT Google's frontier line jumps again; agentic coding and long-horizon tasks improve another step. model https://openai.com/index/gpt-5-1/ e-acc.ai:2025-11-12:gpt-5-1-ships Wed, 12 Nov 2025 00:00:00 GMT OpenAI iterates the GPT-5 line with adaptive reasoning effort and faster default paths. model https://openai.com/index/introducing-gpt-5/ e-acc.ai:2025-08-07:gpt-5-ships Thu, 07 Aug 2025 00:00:00 GMT OpenAI unifies reasoning and fast paths behind one router; frontier access goes mass-market. model https://www.anthropic.com/news/claude-4 e-acc.ai:2025-05-22:claude-4-ships Thu, 22 May 2025 00:00:00 GMT Anthropic's Opus 4 and Sonnet 4 push sustained autonomous coding into production use. model https://openai.com/index/announcing-the-stargate-project/ e-acc.ai:2025-01-21:stargate-announced-500b Tue, 21 Jan 2025 00:00:00 GMT SoftBank, OpenAI, Oracle and MGX commit $500B over four years — $100B deploying immediately — for US AI datacenters. compute https://github.com/deepseek-ai/DeepSeek-R1 e-acc.ai:2025-01-20:deepseek-r1-open-weights Mon, 20 Jan 2025 00:00:00 GMT Frontier-class reasoning released under MIT license at a fraction of incumbent training cost. model https://openai.com/index/learning-to-reason-with-llms/ e-acc.ai:2024-09-12:openai-o1-the-reasoning-era Thu, 12 Sep 2024 00:00:00 GMT Test-time compute becomes the new scaling axis — models that think before they answer. model https://openai.com/index/hello-gpt-4o/ e-acc.ai:2024-05-13:gpt-4o-omni-goes-realtime Mon, 13 May 2024 00:00:00 GMT Native audio-vision-text at half the price of GPT-4 Turbo. Frontier intelligence keeps getting cheaper. model https://www.anthropic.com/news/claude-3-family e-acc.ai:2024-03-04:claude-3-ships Mon, 04 Mar 2024 00:00:00 GMT Opus matches GPT-4; for the first time the frontier is contested by more than one lab. model https://a16z.com/the-techno-optimist-manifesto/ e-acc.ai:2023-10-16:the-techno-optimist-manifesto Mon, 16 Oct 2023 00:00:00 GMT Marc Andreessen publishes the manifesto; e/acc ideas enter mainstream venture discourse. culture https://openai.com/index/gpt-4-research/ e-acc.ai:2023-03-14:gpt-4-ships Tue, 14 Mar 2023 00:00:00 GMT The capability jump that reset every timeline. $30 per million input tokens at launch. model https://openai.com/index/chatgpt/ e-acc.ai:2022-11-30:chatgpt-launches Wed, 30 Nov 2022 00:00:00 GMT 100M users in two months. The acceleration becomes visible to everyone. model https://effectiveaccelerationism.substack.com/p/repost-effective-accelerationism e-acc.ai:2022-05-31:e-acc-is-born Tue, 31 May 2022 00:00:00 GMT A pseudonymous newsletter by @zestular, @BasedBeffJezos, @bayeslord and co. names the movement: build, accelerate, ascend the Kardashev gradient. culture