Moonshot releases Kimi K3, the largest open-weight AI model to date
Moonshot AI released open weights for Kimi K3 on July 27, 2026: a 2.8-trillion-parameter mixture-of-experts model with a 1-million-token context window, the largest open-weight mod…
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Founder news on llm.
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Anthropic ships Claude Opus 5 — near-top-tier performance at half the price
On July 24, 2026 Anthropic released Claude Opus 5, its fourth new model in under 60 days (after Sonnet 5, Fable 5 and Mythos 5 in June). Opus 5 delivers close to flagship Fable 5 q…
OpenAI launches GPT-5.6 family (Sol, Terra, Luna) with big efficiency gains
On July 9, 2026 OpenAI unveiled GPT-5.6 in three variants: Sol (the workhorse), Terra (mid-tier), and Luna (budget). Sam Altman says the models are markedly more token-efficient —…
xAI ships Grok 4.5, an 'Opus-class' coding model at $2/$6 per M tokens
xAI released Grok 4.5 on July 8, 2026, priced at $2 per million input tokens and $6 per million output tokens, with public access the next day. Elon Musk called it 'an Opus-class m…