model-release
Everything on Ground Truth tagged “model-release” — 2 items.
Claude Sonnet 5 is cheaper per word but can cost more per finished job News
Anthropic's new mid-tier model is close to its flagship on hard agent work, yet independent testing shows it can spend more per completed task because it takes more steps.
OpenAI showed off GPT-5.6 -- then handed the guest list to the US government News
Three new models, strong enough at hacking that OpenAI is only letting about twenty vetted partners in, at the government's request.