# Customers

> Stay up to date on the latest case studies from the companies partnering with Fireworks. Read about Firework's latest deployments, new product implementations, and recent customer stories.

## Meet the teams building their own frontier.

Customers

See how industry leaders use Fireworks to turn open models into specialized AI, with greater control over quality, speed, and cost.

> “We control our own fate. Fireworks made that possible.”
>
> — Yu Liu | Co-Founder, Heidi

[View case study: Upwork](https://fireworks.ai/customers/upwork-ai-proposal-drafts)

> “Fireworks helps us stay ahead by enabling fast iteration and the flexibility to adapt as AI agents evolve.”
>
> — Sarah Sachs | AI Lead at Notion

[View case study](https://fireworks.ai/customers/notion-ai-latency-case-study)

- **40x faster**: Code fixes for Vercel’s v0, powered by optimized inference on Fireworks. · Vercel · [View case study](https://fireworks.ai/customers/vercel-v0-code-fixing-case-study)

## Juicebox

For Juicebox, slow talent searches mean lost customers. Hear how Fireworks helped its agents move faster while cutting annual inference costs by $3.2M.

> “We work with Fireworks to push on inference.”
>
> — Federico Cassano | Research Lead at Cursor

[View case study](https://fireworks.ai/customers/cursor-composer-2-reinforcement-learning)

- **Genspark matches Opus 5 on slides at ~90% lower cost**: Trained with Fireworks Lab to plan, write, and refine entire decks. · [View case study](https://fireworks.ai/customers/genspark-deep-research-agent-rft)

1. **[Zeta](https://fireworks.ai/customers/zeta-fine-tuned-nemotron-models-case-study)**: Zeta meets the closed frontier at 94% lower cost and 6x speed with Fireworks-trained models
2. **[Paper Instruments](https://fireworks.ai/customers/paper-instruments-trains-a-frontier-level-model-for-knowledge-work-at-98-percent-lower-cost)**: Paper Instruments trains a frontier-level model for knowledge work at ~98% lower inference cost
3. **[Heidi](https://fireworks.ai/customers/heidi-trains-and-deploys-nvidia-nemotron-3-ultra-on-fireworks)**: Heidi trains and deploys NVIDIA Nemotron 3 Ultra on Fireworks
4. **[Phylo](https://fireworks.ai/customers/phylo-biomni-lab-open-models-case-study)**: Phylo brings frontier AI to more scientists with open models on Fireworks
5. **[Genspark](https://fireworks.ai/customers/genspark-gen-1-slides-rl-post-training)**: Gen-1 Slides: Opus 5-level decks at a fraction of the cost
6. **[Trilogy](https://fireworks.ai/customers/kimi-k3-cybersecurity-playbook)**: Trilogy’s playbook for open-weight cybersecurity with Kimi K3
7. **[Heidi](https://fireworks.ai/customers/heidi-health-ambient-ai-scribe-fine-tuning)**: Heidi x Fireworks: Bridging the gap in frontier model performance
8. **[Gumloop](https://fireworks.ai/customers/gumloop-open-weight-models-case-study)**: How Gumloop scaled open-weight model usage 7x in 3 weeks with Fireworks
9. **[Factory AI](https://fireworks.ai/customers/factory-open-model-case-study)**: How Factory grew open model usage 2-3x in six months on Fireworks
10. **[Cursor](https://fireworks.ai/customers/cursor-composer-2-reinforcement-learning)**: Cursor Composer 2 + Fireworks
11. **[Trilogy](https://fireworks.ai/customers/trilogy-open-weight-models-case-study)**: Trilogy validates open-weight AI models for enterprise AI workloads with Fireworks
12. **[Innovative Solutions](https://fireworks.ai/customers/innovative-solutions-multi-agent-case-study)**: Innovative Solutions rebuilds enterprise services delivery with Fireworks
13. **[RADPAIR](https://fireworks.ai/customers/radpair-radiology-ai-transcription)**: Modernizing healthcare with AI: how RADPAIR and Fireworks unlock smarter radiology workflows
14. **[Vercel](https://fireworks.ai/customers/vercel-v0-code-fixing-case-study)**: 40X faster, and smarter outputs: How Vercel turbocharged their code fixing model with open models, speculative decoding and reinforcement fine tuning on Fireworks
15. **[Genspark](https://fireworks.ai/customers/genspark-deep-research-agent-rft)**: Genspark’s Deep Research agent outperforms a frontier closed model in quality and tool calls using Fireworks RFT, achieving a 50% cost reduction
16. **[Notion](https://fireworks.ai/customers/notion-ai-latency-case-study)**: How Notion cuts latency 4x and scales enterprise AI workflows with Fireworks
17. **[Sentient](https://fireworks.ai/customers/sentient-case-study-gpu-throughput)**: Sentient & Fireworks powers decentralized AI at viral scale
18. **[Sourcegraph](https://fireworks.ai/customers/sourcegraph-code-completion-case-study)**: Real-time, performant code assistance: how Sourcegraph scaled with Fireworks
19. **[Cresta](https://fireworks.ai/customers/cresta-knowledge-assist-multi-lora)**: How Cresta drives millions of real-time, AI-powered contact center interactions with Fireworks
20. **[Upwork](https://fireworks.ai/customers/upwork-ai-proposal-drafts)**: How Upwork and Fireworks deliver faster, smarter proposals for freelancers
21. **[Cursor](https://fireworks.ai/customers/cursor-fast-apply-speculative-decoding)**: How Cursor built Fast Apply using the Speculative Decoding API

## Build your own frontier.

Start running open models in minutes. Then ensemble, train and climb toward intelligence no one else can rent.

[Get started](https://app.fireworks.ai/signup) · [Talk to experts](https://fireworks.ai/contact)