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Cofounder and CEO of @FireworksAI_HQ

241 following22k followers

The Innovator

Lin Qiao is the cofounder and CEO of Fireworks AI, a developer-first inference platform founder broadcasting product breakthroughs and funding milestones to ~22K followers. Their feed mixes technical wins, roadmap launches, and confident takes that move engineers, investors, and partners. Expect big product drops, benchmark flexes, and ecosystem playbooks.

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Lin tweets like every lunch is a press release, your timeline looks less like a CEO’s feed and more like a fireworks display where every spark is labeled 'f1', 'FireFunction' or 'Series B'. Calm down, even compilers need a break.

Raising a $52M Series B led by Sequoia and shipping f1, a reasoning system that beat leading closed models on tough benchmarks, cementing Fireworks AI as a serious inference and systems player.

To accelerate the shift to fast, affordable, and composable AI systems, making powerful multi-model, multi-modal capabilities accessible to developers and enterprises so they can build new products without needing large ML teams.

Believes in engineering-first product-market fit, open access to models and tools, structure and composability over bespoke hacks, close partnerships with hardware and infra providers, and that strong benchmarks and developer adoption are the clearest validators of progress.

Product and technical leadership, able to ship high-performance systems (f1, FireFunction), land marquee investors/partners, and translate engineering advantages into clear market narratives that scale developer adoption.

Can come across as relentlessly product-first and competitive, occasionally defensive in replies; that intensity can alienate non-technical audiences and make community-building feel transactional rather than personal.

Grow on X by leaning into educational storytelling and community hooks: 1) Post thread walkthroughs that break down how f1 and FireFunction work, with simple diagrams and code snippets. 2) Share short demo videos and 30, 60s explainer clips highlighting latency/cost comparisons. 3) Run regular AMAs or X Spaces with engineers, partners (NVIDIA/MongoDB), and early customers. 4) Publish reproducible benchmark recipes and invite third-party replication. 5) Create a pinned 'starter' thread for developers with quickstart links, playground access, and use-cases. 6) Surface customer success stories and open-source contributions to broaden appeal beyond VCs. 7) Use concise, multi-tweet threads pre-announcing releases to build anticipation and collect feedback. 8) Engage replies by answering technical questions and retweeting creative developer builds to amplify community. 9) Partner with a couple of influential ML creators for in-depth demos and cross-promotion. 10) Mix humor and humility occasionally, show the team, the bugs, and the rebuilds to humanize the brand.

Fun fact: Lin announced a $52M Series B led by Sequoia and built Fireworks' f1 system that outperformed GPT-4o and Claude 3.5 Sonnet on hard coding, chat and math benchmarks. They have ~22,360 followers, follow 241, and have tweeted 457 times.

Top tweets of Lin Qiao

Fireworks AI has raised $52M in Series B funding led by @sequoia ! This round propels our mission to enhance our inference platform and lead the shift to compound AI systems. Huge thanks to our investors @nvidia , @AMD , @MongoDB , @benchmark , Sheryl Sandberg , Frank Slootman, @databricks , @alexandr_wang , @howietl , Sajith Wickramasekara and @ClementDelangue from Angel, Series A, and Series B rounds. Fireworks today offers ultra fast and cost efficient inference engine that tens of thousands of developers use to access the latest models to build creative products, new experiences, and productivity tools. We will use the new funding to enhance our inference engine and expand our ecosystem to the best and newest hardware from Nvidia and AMD and deeper integration with databases from MongoDB and others. Our platform enhancements include the latest models, advanced customization options, and improved enterprise features. These advancements make it easier and faster for businesses to customize models and build AI applications without needing an army of ML engineers or scientists. Also, we will accelerate theĀ shift to compound AI systems. On top of our inference platform, we have built the system for decomposing a complex business task to multiple steps accessing multiple models across many modalities (text, audio, image and more), retrievers, and external tools. We will continue to expand these capabilities. This positions Fireworks AI as the go-to solution for developers and enterprises building new disruptive products and experiences faster. Blog post with details: fireworks.ai/blog/fireworks…

135k

I'm very excited to share that @FireworksAI_HQ has raised $250M in Series C funding co-led by @lightspeedvp and @IndexVentures , and participation from @sequoia Capital and @EvanticCapital, bringing up valuation to $4 billion. In total, we raised $327M from prior rounds led by @benchmark and @sequoia, with participation of strategic investors including @nvidia , @AMD , @databricks, @MongoDB , and many angel investors. When we founded Fireworks in 2022, the vision was simple, but the problem was complex: give builders the speed, cost, and control they need to win. Our mission is to reach Artificial Autonomous Intelligence – automated product and model co-development to reach maximum quality, speed and cost-efficiency using generative AI. This round propels our execution to expand our current product of tuning and inference platform towards Artificial Autonomous Intelligence. ā†—ļø We have onboarded hundreds of thousands of developers to customize the latest models to create unique applications and impactful user experiences. 10x from Series B. ā†—ļø 10K+ organizations are running on Fireworks. Companies including Notion, Shopify, Uber, GenSpark, Vercel have built and scaled on Fireworks. ā†—ļø We process more than 10 trillion tokens daily. More than 20x from Series B. We will use the new funding in the following investment: šŸ“– Deepen our research in post-training and inference alignment to maximize quality, speed and cost efficiency of computation, including R&D in system research and algorithmic research. šŸ› ļø Expand our product towards a comprehensive tool-chain for the new user experience creation lifecycle, centered around product and model co-design and automation, from model evaluation, reinforcement learning to ultra fast inference engine. šŸŒŽ Grow our computation footprints 3x higher in the next one year, and continue R&D to minimize computational cost and maximize system utilization. This round is not just evidence that our bet three years ago is driving a big impact, it's concrete proof of the trust and commitment we've built with our customers, partners, and our community. Join our mission to build Artificial Autonomous Intelligence fireworks.ai/careers

154k

šŸ”„šŸ”„Announcing FireLLaVA -- the first multi-modal LLaVA model, trained by @FireworksAI_HQ , with a commercially permissive license. It’s also our first open source model! While the industry heavily uses text-based foundation models to generate responses, in real-world…

56k

šŸ”„ Cursor Composer2 launched on Fireworks šŸ”„ This time it's not just inference but also RL powered by @FireworksAI_HQ. So much hard work and sleepless nights to get this gift out. Congrats @cursor_ai team on launching this SOTA model beating Opus 4.6 on terminal bench! šŸš€ https://t.co/7NjXcABJpg

63k

šŸ”„ FireAttention v3 -- enabling viable alternatives in the GPU inference serving market šŸ”„ Engineers at @FireworksAI_HQ have successfully ported FireAttention to AMD MI300s, resulting in 80% more throughput and 60% faster latency than NIM on Nvidia H100s. With these improvements, FireAttention V3 enables AMD MI300 to become a viable alternative for GPU inference. AMD chips lack the software optimizations that Nvidia chips benefit from, so we rewrote our attention kernel from scratch. We took advantage of AMD MI300’s higher memory capacity, and accounted for differences in shapes and element swizzling formats. Performance on the MI300 can get better with future firmware updates to power management and software updates for improved matmul performance. For developers interested in hardware diversity, we are happy to share learnings from writing FireAttention v3. Stay tuned on using FireAttention v3 from our on-demand platform shortly. For enterprises, this finally solves your supply chain resilience concerns: FireAttention V3 enables broader hardware optionality especially when you use Bring Your Own Cloud deployment - get in touch with us to explore running FireAttention v3 on your hardware! Blogpost with details: lnkd.in/dujY9R-y

46k

Most engaged tweets of Lin Qiao

Fireworks AI has raised $52M in Series B funding led by @sequoia ! This round propels our mission to enhance our inference platform and lead the shift to compound AI systems. Huge thanks to our investors @nvidia , @AMD , @MongoDB , @benchmark , Sheryl Sandberg , Frank Slootman, @databricks , @alexandr_wang , @howietl , Sajith Wickramasekara and @ClementDelangue from Angel, Series A, and Series B rounds. Fireworks today offers ultra fast and cost efficient inference engine that tens of thousands of developers use to access the latest models to build creative products, new experiences, and productivity tools. We will use the new funding to enhance our inference engine and expand our ecosystem to the best and newest hardware from Nvidia and AMD and deeper integration with databases from MongoDB and others. Our platform enhancements include the latest models, advanced customization options, and improved enterprise features. These advancements make it easier and faster for businesses to customize models and build AI applications without needing an army of ML engineers or scientists. Also, we will accelerate theĀ shift to compound AI systems. On top of our inference platform, we have built the system for decomposing a complex business task to multiple steps accessing multiple models across many modalities (text, audio, image and more), retrievers, and external tools. We will continue to expand these capabilities. This positions Fireworks AI as the go-to solution for developers and enterprises building new disruptive products and experiences faster. Blog post with details: fireworks.ai/blog/fireworks…

135k

I'm very excited to share that @FireworksAI_HQ has raised $250M in Series C funding co-led by @lightspeedvp and @IndexVentures , and participation from @sequoia Capital and @EvanticCapital, bringing up valuation to $4 billion. In total, we raised $327M from prior rounds led by @benchmark and @sequoia, with participation of strategic investors including @nvidia , @AMD , @databricks, @MongoDB , and many angel investors. When we founded Fireworks in 2022, the vision was simple, but the problem was complex: give builders the speed, cost, and control they need to win. Our mission is to reach Artificial Autonomous Intelligence – automated product and model co-development to reach maximum quality, speed and cost-efficiency using generative AI. This round propels our execution to expand our current product of tuning and inference platform towards Artificial Autonomous Intelligence. ā†—ļø We have onboarded hundreds of thousands of developers to customize the latest models to create unique applications and impactful user experiences. 10x from Series B. ā†—ļø 10K+ organizations are running on Fireworks. Companies including Notion, Shopify, Uber, GenSpark, Vercel have built and scaled on Fireworks. ā†—ļø We process more than 10 trillion tokens daily. More than 20x from Series B. We will use the new funding in the following investment: šŸ“– Deepen our research in post-training and inference alignment to maximize quality, speed and cost efficiency of computation, including R&D in system research and algorithmic research. šŸ› ļø Expand our product towards a comprehensive tool-chain for the new user experience creation lifecycle, centered around product and model co-design and automation, from model evaluation, reinforcement learning to ultra fast inference engine. šŸŒŽ Grow our computation footprints 3x higher in the next one year, and continue R&D to minimize computational cost and maximize system utilization. This round is not just evidence that our bet three years ago is driving a big impact, it's concrete proof of the trust and commitment we've built with our customers, partners, and our community. Join our mission to build Artificial Autonomous Intelligence fireworks.ai/careers

154k

šŸ”„ Cursor Composer2 launched on Fireworks šŸ”„ This time it's not just inference but also RL powered by @FireworksAI_HQ. So much hard work and sleepless nights to get this gift out. Congrats @cursor_ai team on launching this SOTA model beating Opus 4.6 on terminal bench! šŸš€ https://t.co/7NjXcABJpg

63k

šŸ”„ We’re excited to announce @FireworksAI_HQ fine-tuning service! Fine-tune and run models like Mixtral at 300 tokens/sec with no extra inference cost! šŸ” Tune and iterate rapidly - Go from dataset to querying a fine-tuned model in minutes covering 100+ models. šŸ¤ Seamless integration into blazing-fast inference - Your fine-tuned models can deploy serverless on the Fireworks inference platform. šŸ’° Competitive cost - Fireworks charges affordable rates per token of training data, with no additional service fee. Launch blogpost: fireworks.ai/blog/fine-tune… You application development velocity matters deeply to us. Can't wait to see what awesome applications you build on top of it!

36k

šŸ”„šŸ”„Announcing FireLLaVA -- the first multi-modal LLaVA model, trained by @FireworksAI_HQ , with a commercially permissive license. It’s also our first open source model! While the industry heavily uses text-based foundation models to generate responses, in real-world…

56k

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