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On 15 September 2025 OpenAI released GPT-5-Codex, a version of GPT-5 tuned for agentic software engineering, as the default model for its Codex coding agent, with API access following later that month at GPT-5 prices.
Anthropic announced a $13 billion Series F on 2 September 2025 at a $183 billion post-money valuation, led by ICONIQ, as run-rate revenue passed $5 billion and Claude Code passed $500 million.
In late September 2025 Zhipu released GLM-4.6 under the MIT License, with a 200K-token context window, stronger coding and agent abilities, and support for Chinese domestic chips.
On 28 August 2025 xAI released Grok Code Fast 1, a fast reasoning model for agentic coding. It launched free for a limited time inside several popular coding tools.
On 5 August 2025 Anthropic released Claude Opus 4.1, an upgrade to Opus 4 for agentic tasks, coding and reasoning, at unchanged pricing. Anthropic said larger improvements would follow.
On 22 July 2025 Alibaba announced Qwen3-Coder-480B-A35B-Instruct and released Qwen Code, an open-source command-line agent adapted from Gemini CLI.
On 17 July 2025 TRAE announced SOLO, an autonomous coding mode that drafts a spec, then plans, builds and ships features. SOLO became generally available on 4 November 2025 with SOLO Coder and SOLO Builder.
In July 2025 OpenAI's $3 billion deal to acquire the AI coding startup Windsurf collapsed; the same day Google DeepMind hired Windsurf's CEO and top researchers, with Google paying $2.4 billion to license the startup's technology.
In July 2025 Moonshot AI released Kimi K2 as an open-weight mixture-of-experts model with 1 trillion total parameters and 32 billion active per token, under a modified MIT license.
On 25 June 2025 Google released Gemini CLI, an open-source agent for the terminal, with a free tier for personal Google accounts that Google described as the industry's largest allowance.
On 22 May 2025 Anthropic launched Claude Opus 4 and Claude Sonnet 4, hybrid models with extended thinking and tool use. Anthropic called Opus 4 the world's best coding model, and Claude Code became generally available the same day.
On 21 May 2025 Mistral AI and All Hands AI released Devstral, an openly licensed coding model built to work as an agent on real software issues, scoring 46.8% on SWE-Bench Verified.
On 20 May 2025, Google opened Jules, its asynchronous coding agent, to everyone in a public beta; it runs on Gemini 2.5 Pro and works on users' GitHub repositories inside Google Cloud.
OpenAI's Codex, launched in May 2025 as a research preview, put a software-engineering agent inside ChatGPT: powered by codex-1 and trained with reinforcement learning, it ran each coding task in its own cloud sandbox.
On 14 May 2025, Google DeepMind announced AlphaEvolve, a Gemini-powered coding agent that designs algorithms; it reported a better compute-scheduling heuristic, a faster 4×4 matrix multiplication method, and gains on open mathematical problems.
On 8 May 2025 ByteDance Seed released Seed-Coder, a family of 8B-parameter open code models under the MIT license, with Base, Instruct and Reasoning variants.
On 14 April 2025 OpenAI released GPT-4.1, GPT-4.1 mini and GPT-4.1 nano in its API, with a context window of about 1 million tokens and a 54.6% score on SWE-bench Verified, while deprecating GPT-4.5 preview the same day .
On 25 March 2025 Google announced Gemini 2.5 and introduced Gemini 2.5 Pro Experimental, a thinking model that debuted at #1 on LMArena and became generally available on 17 June 2025.
In March 2025 DeepSeek updated DeepSeek-V3 as DeepSeek-V3-0324 and moved the model to the MIT License, the same license used for DeepSeek-R1.
On 24 February 2025 Anthropic announced Claude 3.7 Sonnet, which it called the first hybrid reasoning model on the market, and Claude Code, a terminal-based coding agent in limited research preview.
ByteDance's AI coding tool TRAE launched in January 2025. By the end of 2025 it had 6 million registered users, and its open-source Trae Agent reported 75.20% on SWE-bench Verified, first on the leaderboard.
