Sources: Fireworks AI, which helps companies run AI models, is in talks to raise funding at a $15B valuation after being valued at $4B in October 2025 (Rebecca Torrence/Bloomberg)

Rebecca Torrence / Bloomberg: Sources: Fireworks AI, which helps companies run AI models, is in talks to raise funding at a $15B valuation after being valued at $4B in October 2025 — Fireworks AI, a startup that helps companies run artificial intelligence models, is in talks to raise a new round of funding that would value …