'%3e%3crect%20x='16'%20y='51'%20width='68'%20height='27'%20rx='13.5'/%3e%3ccircle%20cx='32'%20cy='53'%20r='15'/%3e%3ccircle%20cx='53'%20cy='43'%20r='20'/%3e%3ccircle%20cx='71'%20cy='57'%20r='12'/%3e%3c/g%3e%3c/svg%3e){kind=small}
Cloud Changelog
September 28, 2026 · Fireworks AI
DeepSeek V4.1 Flash available for LoRA training with up to 262K context
DeepSeek V4.1 Flash is now available for LoRA training on the Dedicated Training API, with up to 262K context. It's a strong base for agentic coding, terminal automation, and tool use. SFT is supported at launch, and RL support is coming soon.
See the training model catalog for current availability.
Latest Fireworks AI platform changes
Public cookbook moves to fw-ai-external/cookbook, fireworks-training-cookbook on PyPI
Ultra-fast Serverless mode in Preview, with DeepSeek V4.1 Flash 1017 at 6-8x speed
DeepSeek V4 Flash (0731) removed from the shared Serverless Training pool
Rune 26B-A4B available on Serverless, returning probabilities for up to 256 questions
fireworks-ai 1.2.30 replaces TITO sidecar 502 errors with source-specific error codes