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Wellfunded

AI Models

OpenAI Unveils GPT-5.6 and a New Model Family

Jul 10, 2026

OpenAI Unveils GPT-5.6 and a New Model Family

OpenAI has launched GPT-5.6 as part of a broader new family of models, promising meaningful improvements across multiple domains including cybersecurity. The release marks another step in OpenAI's rapid model cadence as competition in the frontier AI space intensifies.

AI models

Cybersecurity

Enterprise AI

Grok 4.5 Arrives via xAI-Cursor Deal, Undercuts Rivals

Jul 9, 2026

Grok 4.5 Arrives via xAI-Cursor Deal, Undercuts Rivals

xAI and Cursor have jointly trained Grok 4.5, an Opus-class model that's up to 6x cheaper than Anthropic's Opus lineup. Meanwhile, OpenAI is rolling out GPT-5.6 variants and ChatGPT Voice gets a major architecture upgrade.

Grok

xAI

Cursor

xAI Launches Grok 4.5 as a Cost-Efficient AI Rival

Jul 9, 2026

xAI Launches Grok 4.5 as a Cost-Efficient AI Rival

Elon Musk's xAI has released Grok 4.5, touting it as an 'Opus-class' model that delivers high-end AI capability at a lower cost. The release signals xAI's push to compete directly with leading frontier models from Anthropic and OpenAI.

xAI

Grok

Elon Musk

Fable 5 Returns, Claude Sonnet 5 Lands, Gemini Updates

Jul 2, 2026

Fable 5 Returns, Claude Sonnet 5 Lands, Gemini Updates

Anthropic's Fable 5 is back for paid subscribers with a July 7 deadline and benchmarks claiming double the remote work capability of Opus 4.8. Claude Sonnet 5 also quietly launched as the new default model, while Google released two new Gemini media models targeting fast, cheap image and video generation.

Anthropic

Claude

Fable

Anthropic Launches Claude Sonnet 5 at a Fraction of Cost

Jul 1, 2026

Anthropic Launches Claude Sonnet 5 at a Fraction of Cost

Anthropic has released Claude Sonnet 5, a mid-tier model that rivals its flagship Opus 4.8 on key benchmarks while costing up to 60% less per token. The launch comes as Anthropic races toward what could be the most scrutinized IPO in tech history, with a valuation now approaching $1 trillion.

Anthropic

Claude

AI Models

Base44 Bets on Proprietary AI in the Vibe Coding Race

Jun 30, 2026

Base44 Bets on Proprietary AI in the Vibe Coding Race

Wix-owned vibe coding platform Base44 is rolling out its own AI model, a bold move aimed at building defensibility in an increasingly crowded market. The startup hopes its purpose-built model will eventually outperform general frontier models on coding tasks.

Vibe Coding

Base44

Wix