August 26, 2026 · Fireworks AIDeprecation
Qwen 3.5 9B and Qwen 3.6 27B deprecated from Serverless Training on August 26, 2026
Qwen 3.5 9B and Qwen 3.6 27B are deprecated from Serverless Training effective August 26, 2026.
Migrate new and existing Serverless Training workloads to Qwen 3.8 27B.
This change applies to the shared Serverless Training pool. Check the training model catalog for availability on other training surfaces.
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