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Fireworks AI raised $1.505 billion in Series D funding at a $17.5 billion valuation, surpassing $1 billion in annualized revenue run rate and serving over 40 trillion tokens daily, with 95%+ from models specialized on customer data.
J-Wash is a tool that uses Anthropic's Jacobian lens to let users edit the behavior and identity of large language models by modifying token directions, then export the edited model as a standalone checkpoint without training or fine-tuning.
RunInfra is a service that allows users to describe their AI model requirements and receive an optimized AI model.
OpenAI launches fine-tuning for GPT-4o and GPT-4o mini, allowing developers to customize models with their own datasets at lower costs. The feature includes free training tokens (1M/day for GPT-4o and 2M/day for GPT-4o mini through September 23) and is available to all paid-tier developers.