Releases
14 matching — model launches, API releases, product updates, financial events and news.
August 20261
Aug 31, 2026
Fireworks Training API becomes generally availableAPI release
Fireworks launched general availability of its Training API for managed distributed training and reinforcement-learning rollouts.
July 20263
Jul 15, 2026
Fireworks serves more than 40 trillion tokens dailyNews
Fireworks reported serving more than 40 trillion tokens per day, over 95% from customer-specialized models.
Jul 15, 2026
Fireworks surpasses $1 billion annualized revenue run rateRevenue disclosure
Fireworks disclosed that annualized revenue run rate had surpassed $1 billion.
Jul 15, 2026
Fireworks AI Series DFunding round
Fireworks AI raised a $1.505 billion Series D led by Atreides Management, Index Ventures, and TCV.
March 20261
Mar 2026
Fireworks models launch in Microsoft FoundryPartnership
Fireworks and Microsoft made select open models available through serverless endpoints in Microsoft Foundry.
October 20251
Oct 28, 2025
Fireworks AI Series CFunding round
Fireworks AI raised a $250 million Series C co-led by Lightspeed Venture Partners, Index Ventures, and Evantic.
June 20252
Jun 11, 2025
Fireworks Build SDK enters betaSDK release
Fireworks released a declarative SDK for managing models, deployments, fine-tuning jobs, datasets, and serving strategy.
Jun 11, 2025
Fireworks Experimentation Platform becomes generally availableProduct launch
Fireworks launched its integrated platform for rapid tuning, evaluation, deployment, and online experimentation.
March 20251
Mar 18, 2025
Fireworks supports NVIDIA NIM deploymentsPartnership
Fireworks added support for NVIDIA NIM microservices and compatible models on its inference platform.
November 20241
Nov 2024
Fireworks f1 enters previewModel release
Fireworks introduced f1 and f1-mini, compound-AI reasoning systems that interleave multiple open models at inference time.
July 20241
Jul 11, 2024
Fireworks AI Series BFunding round
Fireworks AI raised a $52 million Series B led by Sequoia Capital, bringing total funding to $77 million.
June 20241
Jun 17, 2024
FireFunction V2 open weights releasedOpen weights
Fireworks released an open-weight Llama 3-based function-calling model supporting multi-turn and parallel tool execution.
March 20241
Mar 8, 2024
Fireworks launches fine-tuning serviceProduct launch
Fireworks launched integrated LoRA fine-tuning with rapid deployment into its production inference platform.
January 20241
Jan 31, 2024
Fireworks AI Series AFunding round
Fireworks AI raised a $25 million Series A led by Benchmark.

