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Featherless AI

One API key. Instant access.

Builds: Serverless Inference @ https://t.co/JlJGWeTUpR Also: Attention-Killers AI (RWKV) from scratch @ https://t.co/YL7CbNYKBs
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Sick video but haven't got the attention it deserved.

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About

Featherless runs open-source AI models behind a single API, letting developers and enterprises call thousands of models without provisioning GPUs or managing servers. The platform supports over 30,000 open models across language, vision, and audio, enabling developers to deploy production-grade AI instantly , and the company describes itself as a neutral layer for AI, unaligned with any hyperscaler, chipmaker, or proprietary ecosystem . The target user is the team that wants to build on models it can audit and swap, rather than depend on a closed proprietary endpoint. This launch marks the company's Series A. Featherless.ai secured $20 million in Series A funding, co-led by AMD Ventures and Airbus Ventures, with participation from BMW i Ventures, Kickstart Ventures, Panache Ventures, and Wavemaker Ventures . The capital will be used to scale global infrastructure, launch a dedicated marketplace for specialised open models, and deepen technical integration with diverse hardware architectures to continue driving down the cost of AI inference . The timing reflects a broader pull toward jurisdictional control and hardware diversity, with core infrastructure hosted in the US and EU and a global team across Canada, Europe, the US, Singapore, and Australia , plus a strategic collaboration with AMD that ensures the world's most popular open-source models run natively on AMD ROCm . The company is co-founded by Eugene Cheah (CEO), Harrison Vanderbyl (CTO), and Wesley George (COO) , the same group behind RWKV, an open-source architecture designed to challenge the traditional dominance of transformers . That research lineage shapes the inference work here, and frames the Series A as a bet that open models, run on neutral infrastructure across multiple chip vendors, can hold their own against the small set of closed stacks currently absorbing most AI demand.
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Comments (14)
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Yusra Bouzid4/30/2026

The 'few countries, few companies, few chips' opener is doing heavy lifting in that tweet. Manifesto energy for a Series A is a choice and I respect it.

Kosta M.4/30/2026

One API key for any open weights model is the kind of thing that sounds boring until you've spent a weekend wrangling vLLM containers.

Benoît Lacroix4/30/2026

Distribution question: are you betting on devs swapping out OpenAI base URLs, or on a brand new audience that never had a key in the first place?

Praja Iyer4/30/2026

hot take: the real moat here isn't the inference, it's whoever makes the long tail of huggingface models actually reachable without crying.

Linh Trần4/30/2026

Curious about cold start times on the obscure stuff. Calling a model nobody else has loaded should be the real benchmark, not llama-3 latency.

Sasha Pereira4/30/2026

been telling people for months that open-weights infra is the next picks-and-shovels play. nice to be vindicated by someone else's term sheet.

Kwame Tetteh4/30/2026

concentration is gravity. open infrastructure is just whoever keeps paying the electric bill to push back on it.

Omar Haddadi4/30/2026

How's the docs situation? An any-model API lives or dies on whether I can find the right model card without spelunking through three tabs.

Toby Westergaard4/30/2026

naive question, if I have a finetune sitting on huggingface does it just work, or is there a 'we support these 400 models' list hiding somewhere?

Mira Solovyeva4/30/2026

The launch thread engagement curve on this is going to be interesting. Manifesto tweets either rip or get ratio'd, no in between.

Finn O'Rourke4/30/2026

Procurement hat on: SOC2? Data residency? If my legal team sees 'serverless inference for any open model' they're going to need a paper bag to breathe into.

Chiamaka Eze4/30/2026

RWKV in the bio and serverless inference as the day job is a delightful combo. Builds the engine and the fuel.

Ravi Subramanian4/30/2026

how big is the team behind this? every time I see 'any open model, one endpoint' I assume an army, then it turns out to be like nine people in a discord.

Anikó Varga4/30/2026

would love to see published throughput numbers across model sizes before I migrate anything. trust but verify and all that.