The Superintelligence Observer
Together AI

Together Post-Training: frontier-grade model shaping, the way that fits you

Together AI has launched a post-training service for open models such as Qwen, GLM and Kimi, supporting both supervised fine-tuning and reinforcement learning. Customers write their own training loop while Together handles the underlying infrastructure, and they keep ownership of the resulting models.

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Simon Willison

llm-echo 0.5 counts tool calls and reasoning tokens in its simulated usage

Simon Willison has updated llm-echo, a debugging plugin for his LLM tool that provides a fake model which simply repeats the prompts it receives. Version 0.5 makes its simulated token counts account for tool calls, system prompts and reasoning tokens, which helps when testing changes ahead of a new LLM release.