⏰ Limited-Time Free Models The Gemini 2.0 Flash and Gemini 2.0 Flash Lite free tier access ends tomorrow, June 1 — grab them while they last. The Xiaomi MiMo-V2-Omni and MiMo-V2-Pro expired today (May 31). Several other models remain available through June 5. Model Expires Pricing (Prompt / Completion) Google Gemini 2.0 Flash Lite (1M ctx) Jun 1 $0.075 / $0.30 per M tokens Google Gemini 2.0 Flash (1M ctx) Jun 1 $0.10 / $0.40 per M tokens Qwen3 30B A3B (131K ctx) Jun 5 $0.09 / $0.45 per M tokens Llama 3 Euryale 70B v2.1 (8K ctx) Jun 5 $1.48 / $1.48 per M tokens Hermes 2 Pro Llama-3 8B (8K ctx) Jun 5 $0.14 / $0.14 per M tokens Claude Opus 4.6 Fast (1M ctx) Jun 29 $30 / $150 per M tokens 💰 OpenAI Launches $100/Month ChatGPT Pro Tier OpenAI has introduced a new ChatGPT Pro subscription at $100 per month, offering 5X the Codex usage limits compared to the $20/month Plus plan (TechCrunch, CNBC, VentureBeat). The tier is aimed squarely at developers who regularly hit usage caps on Claude Code, GitHub Copilot, and OpenAI’s own Codex. ...

⏰ Limited-Time Free Models Several models on OpenRouter’s free tier are approaching expiration. The Gemini 2.0 Flash line ends its free run on June 1 (tomorrow!), while Qwen3 30B A3B, Llama 3 Euryale 70B v2.1, and Hermes 2 Pro Llama-3 8B all expire on June 5. The Claude Opus 4.6 Fast variant (1M context) is available until June 29. Model Expires Pricing (Prompt / Completion) Google Gemini 2.0 Flash Lite (1M ctx) Jun 1 $0.075 / $0.30 per M tokens Google Gemini 2.0 Flash (1M ctx) Jun 1 $0.10 / $0.40 per M tokens Qwen3 30B A3B (131K ctx) Jun 5 $0.09 / $0.45 per M tokens Llama 3 Euryale 70B v2.1 (8K ctx) Jun 5 $1.48 / $1.48 per M tokens Hermes 2 Pro Llama-3 8B (8K ctx) Jun 5 $0.14 / $0.14 per M tokens Claude Opus 4.6 Fast (1M ctx) Jun 29 $30 / $150 per M tokens 🦁 Meta Launches Muse Spark, Abandons Open-Source Llama Meta has unveiled Muse Spark, its first proprietary AI model since forming the Superintelligence Labs unit — marking a definitive break from the open-source Llama strategy that defined its AI identity for years (VentureBeat, Fortune, CNBC, Barron’s). The model arrives after Meta reportedly delayed its Llama successor, choosing instead to go closed-source amid an internal reorganization. ...

⏰ Limited-Time Free Models Several free-tier models are expiring soon on OpenRouter. Xiaomi’s MiMo-V2-Omni and MiMo-V2-Pro are the most urgent — expiring May 31 (just 2 days away). The Gemini 2.0 Flash line follows on June 1. Model Expires Pricing (Prompt / Completion) Xiaomi MiMo-V2-Omni (262K ctx) May 31 $0.40 / $2.00 per M tokens Xiaomi MiMo-V2-Pro (1M ctx) May 31 $1.00 / $3.00 per M tokens Google Gemini 2.0 Flash Lite (1M ctx) Jun 1 $0.075 / $0.30 per M tokens Google Gemini 2.0 Flash (1M ctx) Jun 1 $0.10 / $0.40 per M tokens Qwen3 30B A3B (131K ctx) Jun 5 $0.09 / $0.45 per M tokens Llama 3 Euryale 70B v2.1 (8K ctx) Jun 5 $1.48 / $1.48 per M tokens Hermes 2 Pro Llama-3 8B (8K ctx) Jun 5 $0.14 / $0.14 per M tokens Claude Opus 4.6 Fast (1M ctx) Jun 29 $30 / $150 per M tokens 💸 DeepSeek Makes V4-Pro 75% Price Cut Permanent DeepSeek has permanently reduced the price of its flagship V4-Pro model by 75%, escalating the AI pricing war to a new level (Engadget, InfoWorld, VentureBeat). The permanent cut follows a temporary promotional period and solidifies DeepSeek’s strategy of aggressive pricing to capture enterprise market share. The move puts pressure on Western labs to respond with competitive pricing of their own, particularly in cost-sensitive enterprise deployments where total inference cost per token is becoming the deciding factor. ...

⏰ Limited-Time Free Models Several free LLM tiers are expiring soon on OpenRouter: Model Expires Pricing Mistral 7B Instruct v0.1 May 30 (1 day) Free Xiaomi MiMo-V2-Omni May 31 (2 days) Free Xiaomi MiMo-V2-Pro May 31 (2 days) Free Gemini 2.0 Flash Lite Jun 1 (3 days) Free Gemini 2.0 Flash Jun 1 (3 days) Free Qwen3 30B A3B Jun 5 (6 days) Free Llama 3 Euryale 70B v2.1 Jun 5 (6 days) Free Hermes 2 Pro Llama-3 8B Jun 5 (6 days) Free 🚀 Anthropic Hits $965B Valuation, Launches Claude Opus 4.8 Anthropic has closed a $65 billion Series H funding round at a post-money valuation of $965 billion, surpassing OpenAI to become the world’s most valuable AI startup (NYT, Bloomberg, Reuters). The company also announced Claude Opus 4.8, its latest flagship model now available on OpenRouter at $10/M tokens input (fast variant) and $5/M tokens input (standard), with 1M token context windows. Opus 4.8 introduces a new “dynamic workflow” tool that enables multi-step autonomous task execution, and early benchmarks show it leaves four times fewer code flaws unflagged than GPT-5.5 (TechCrunch, ZDNET). Meanwhile, Anthropic confirmed its upcoming Claude Mythos model family is “weeks away” from release — a model so powerful it has already raised cybersecurity concerns and prompted EU regulators to seek access (Reuters, Decrypt, Bloomberg). The bumper funding and product acceleration position Anthropic for a potential IPO later this year (TechCrunch). ...

Trending GitHub Repositories study8677/awesome-architecture ★321 — A comprehensive collection of 21 architecture maps covering AI gateways, RAG pipelines, and more. Think like a software architect, not just a coder. XingYu-Zhong/DeepSeek-GUI ★317 — An AI agent workspace for DeepSeek models with Code and Claw modes, built as a desktop application in TypeScript. VILA-Lab/FigMirror ★312 — An automated AI agent tool that plots your data in any paper’s figure style. Makes publication-quality figures from your datasets. ...

🏛️ OpenAI to File for Trillion-Dollar IPO as Soon as Friday OpenAI is preparing to confidentially file for an initial public offering as soon as this Friday, according to CNBC and Reuters sources. The IPO could value the company at over $1 trillion, making it one of the largest public market debuts in history — alongside SpaceX, which also unveiled its IPO filing this week. Fortune examines the big questions the filing may finally answer about OpenAI’s finances, governance, and path to AGI. In a parallel milestone, an OpenAI model has disproved a central conjecture in discrete geometry — an 80-year-old unsolved math problem — reported by The Guardian and OpenAI’s own blog. ...

⏰ Limited-Time Free Models Four free-tier models are nearing expiration on OpenRouter. Grab them while they last: Model Expires Context Prompt/Completion (per M tokens) Baidu: Qianfan-OCR-Fast May 28 (1 day) 65K $0.68 / $2.81 Google: Gemini 2.0 Flash Lite Jun 1 (5 days) 1M $0.075 / $0.30 Google: Gemini 2.0 Flash Jun 1 (5 days) 1M $0.10 / $0.40 Mistral: Mistral 7B Instruct v0.1 May 30 (3 days) 4K $0.11 / $0.19 🚀 DeepSeek Makes 75% V4-Pro Price Cut Permanent DeepSeek has permanently slashed prices on its flagship V4-Pro model by 75%, escalating the global AI pricing war. The move makes V4-Pro the best bang-for-buck model on the market — output tokens are now priced at least 34× below GPT-5.5, according to comparisons by the-decoder.com. Reuters reports the price cut comes as DeepSeek eyes a new funding round, while the South China Morning Post notes the model now tops global value rankings. The steep discount locks in a price advantage that challenges US AI leaders on cost. ...

🔥 Anthropic Investigates Reports of Unauthorized Access to Mythos AI Anthropic is investigating claims that a rogue group gained unauthorized access to its advanced Mythos AI model — a system the company itself has described as a cybersecurity “reckoning.” Reports from Bloomberg, The Guardian, and WIRED indicate that U.S. Treasury Secretary Powell and Secretary Bessent have briefed major banks on the situation. The controversy has escalated to the highest levels of government, with Axios reporting Anthropic withheld the Mythos Preview model specifically because its hacking capabilities were deemed too powerful. ...

⏰ Limited-Time Free Models Several models on OpenRouter are approaching the end of their free tier availability: Model Expires Pricing Baidu Qianfan-OCR-Fast May 28 (3 days) $0.68/M tokens prompt, $2.81/M tokens completion Mistral 7B Instruct v0.1 May 30 (5 days) $0.11/M tokens prompt, $0.19/M tokens completion Google Gemini 2.0 Flash Lite June 1 (7 days) $0.075/M tokens prompt, $0.30/M tokens completion Google Gemini 2.0 Flash June 1 (7 days) $0.10/M tokens prompt, $0.40/M tokens completion 🚀 DeepSeek Permanently Slashes V4-Pro Price by 75% China’s DeepSeek announced a permanent 75% price cut on its flagship V4-Pro model, in a move that Reuters and multiple outlets are calling a major escalation in the AI pricing war. The aggressive restructuring comes amid growing global demand for affordable frontier AI and follows the earlier V4 launch that shook markets last year. ...

⏰ Limited-Time Free Models Several models are nearing their free access expiration on OpenRouter: Model Expires Pricing Context Baidu: Qianfan-OCR-Fast May 28 (4 days) $0.68/M tokens prompt, $2.81/M tokens completion 65K Mistral: Mistral 7B Instruct v0.1 May 30 (6 days) $0.11/M tokens 4K Google: Gemini 2.0 Flash Lite Jun 1 (8 days) $0.075/M tokens prompt, $0.30/M tokens completion 1M Google: Gemini 2.0 Flash Jun 1 (8 days) $0.10/M tokens prompt, $0.40/M tokens completion 1M 🚀 Alibaba Launches Qwen3.7-Max: 35-Hour Autonomous AI Agent Alibaba’s Qwen team has released Qwen3.7-Max on OpenRouter, a reasoning agent model with a 1-million-token context window. The model can run autonomously for up to 35 hours and supports over 1,000 tool calls in a single session, including external harnesses like Anthropic’s Claude Code, according to a VentureBeat report. Priced at $2.5/M tokens (prompt) and $10/M tokens (completion), it ranks as one of the highest-performing Chinese AI models on the Chatbot Arena leaderboard. ...