ModelClock
API availability
Available in the API since Sep 28, 2026
Fireworks AI announced API availability for this model on 2026-09-28. Available for LoRA training on the Dedicated Training API
This date applies to API availability. Rollouts in consumer products or other hosting routes can happen on different dates.
- Hosting route
- Fireworks AI platform
- Affected scope
- Available for LoRA training on the Dedicated Training API
- Announced
- Sep 28, 2026
- First seen by ModelClock
- Oct 7, 2026
What the provider published
docs.fireworks.ai ↗ New training model: DeepSeek V4.1 Flash
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.
Read from the provider's text; the quote is the provider's exact lines.
