OpenAI releases GPT-5.5
OpenAI released GPT-5.5 Thinking and GPT-5.5 Pro to paid ChatGPT users on 23 April 2026, then extended the models to Codex and the API, reporting strong benchmark results and later making a faster GPT-5.5 Instant the default.
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Anthropic releases Claude Opus 4.7
On 16 April 2026 Anthropic made Claude Opus 4.7 generally available at $5 and $25 per million tokens. It was less broadly capable than Claude Mythos Preview, with deliberately reduced cyber capabilities, and was the first model to test automatic cyber safeguards.
Zhipu open-sources GLM-5.1, topping SWE-Bench Pro
Zhipu released GLM-5.1 to its subscribers in late March 2026 and open-sourced it under the MIT License on 7 April 2026. Its model card reports 58.4 on SWE-Bench Pro, the top score in its comparison table.
Anthropic announces Claude Mythos Preview and Project Glasswing
On 7 April 2026 Anthropic announced Project Glasswing, which gave a restricted group access to the unreleased Claude Mythos Preview to help secure critical software.
Alibaba launches Qwen3.6 for agentic coding
In April 2026 Alibaba launched Qwen3.6, starting with the proprietary Qwen3.6-Plus for agentic coding on 2 April, followed by open Qwen3.6-35B-A3B weights in mid-April.
Moonshot AI releases Kimi K2.6 for long-horizon coding
In April 2026 Moonshot AI released Kimi K2.6, an open-weight model aimed at long-horizon coding, with Agent Swarm scaled to 300 sub-agents and 4,000 coordinated steps.
MiniMax releases self-improving MiniMax-M2.7
In March 2026 MiniMax released MiniMax-M2.7, a model with 229B listed parameters that the company described as its first to take part in its own evolution, and which posted strong scores on machine-learning, coding, science and competition-math benchmarks.
Anthropic releases Claude Sonnet 4.6
On 17 February 2026 Anthropic released Claude Sonnet 4.6 at $3 and $15 per million tokens. It became the default model for Free and Pro users on claude.ai and Claude Cowork.
MiniMax releases MiniMax-M2.5 and M2.5-Lightning
In February 2026 MiniMax released MiniMax-M2.5 together with M2.5-Lightning, a variant that runs at 100 tokens per second. MiniMax said the Lightning version costs $0.3 per million input tokens and $2.4 per million output tokens.
Anthropic raises $30 billion at a $380 billion valuation
On 12 February 2026 Anthropic announced a $30 billion Series G at a $380 billion post-money valuation, led by GIC and Coatue, with run-rate revenue of $14 billion and Claude Code alone above $2.5 billion.
OpenAI releases GPT-5.3-Codex
On 5 February 2026 OpenAI released GPT-5.3-Codex for its Codex coding agent, describing it as the most capable agentic coding model to date and saying it had helped build itself. A faster research preview, GPT-5.3-Codex-Spark, followed a week later.
Anthropic releases Claude Opus 4.6 with agent teams
On 5 February 2026 Anthropic released Claude Opus 4.6, then its smartest model, with agent teams in Claude Code and a 1M-token context window in beta. Pricing stayed at $5 and $25 per million tokens.
Databricks raises over $4 billion Series L at a $134 billion valuation
On 16 December 2025 Databricks announced a Series L of more than $4 billion at a $134 billion valuation, up 34% from its August 2025 round, alongside a $4.8 billion revenue run-rate.
Mistral AI releases Devstral 2 and the Mistral Vibe CLI
On 9 December 2025 Mistral AI released Devstral 2, a 123B dense coding model, and the smaller Devstral Small 2, alongside Mistral Vibe, an open-source command-line coding agent built on them.
Claude Code reaches $1B run-rate; Anthropic acquires Bun
On 3 December 2025 Anthropic said Claude Code had reached $1 billion in run-rate revenue, and agreed to acquire Bun, a JavaScript runtime that had already worked with Anthropic on Claude Code's native installer.
Hugging Face announces Transformers v5
On 1 December 2025 Hugging Face released Transformers v5.0.0rc0, the first major version since v4 in November 2020. The library grew from about 40 architectures to more than 400.
MiniMax releases MiniMax-M2.1 for multilingual coding
MiniMax released MiniMax-M2.1, an open-weights model built for multilingual coding and tool use, with SWE-bench Multilingual rising from 56.5 to 72.5 over its predecessor M2.
Zhipu releases GLM-4.7 for agentic coding
In December 2025 Zhipu released GLM-4.7, an MIT-licensed open model aimed at multilingual agentic coding, with higher scores than GLM-4.6 on SWE-bench and Terminal Bench 2.0.
Anthropic releases Claude Opus 4.5
On 24 November 2025 Anthropic released Claude Opus 4.5 at $5 and $25 per million tokens, a third of the previous Opus price, with a new effort parameter for trading capability against cost.
Commission proposes a digital omnibus that delays high-risk AI rules
On 19 November 2025 the European Commission proposed a digital omnibus on AI that would tie high-risk AI obligations to the availability of standards, stretch their start to at most 16 months, add a 2028 sandbox and strengthen the AI Office.
OpenAI releases GPT-5.1-Codex-Max
On 19 November 2025 OpenAI released GPT-5.1-Codex-Max, an agentic coding model added to its Codex agent, and alongside it GPT-5.1 Pro, which replaced GPT-5 Pro.