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Crusoe vs StreamLake
StreamLake is Kuaishou's AI cloud, selling its proprietary KAT-Coder models from China. Crusoe hosts open models in its own data centers with fine-tuning and dedicated GPUs.
By The Subconscious Team · Updated
Crusoe vs StreamLake: key differences
StreamLake's main draw is KAT-Coder-Pro V2.5, a proprietary agentic coding model from Kuaishou's KwaiKAT team. StreamLake says large-scale agentic reinforcement learning trained it to read an issue, change multiple files, run tests and fix its own errors over long runs. Developers pay per token or buy a KwaiKAT Coding Plan, with OpenAI-protocol endpoints plus a Claude-protocol proxy for Claude Code or OpenClaw. Crusoe offers no proprietary model. Its serverless catalog covers open weights like DeepSeek, GLM, Kimi, gpt-oss and Nemotron from $0.05 in and $0.20 out per million, with a cluster-wide KV cache that Crusoe says accelerates the long repeated context coding agents send.
Procurement will decide it for many buyers. StreamLake's pricing and much of its documentation lead with China and yuan, and its data residency in China rules it out for many US and EU enterprises. It also sells bare-metal compute to Chinese internet businesses on Kuaishou's video infrastructure. Crusoe builds data centers such as the Abilene, Texas campus behind Stargate, and adds managed LoRA fine-tuning, dedicated deployments with SLAs and GPU clusters on NVIDIA and AMD. StreamLake does not list customization. For a cheap subscription coding model, StreamLake fits; for open-weight control, Crusoe.
What Crusoe and StreamLake do
Crusoe
Crusoe started in 2018 turning wasted natural gas into power for computing and has since become a vertically integrated AI infrastructure company: it sources energy, builds data centers and rents GPUs through Crusoe Cloud. It designed and built the Abilene, Texas campus behind the OpenAI and Oracle Stargate project, planned at 1.2 GW, and in March 2026 announced an adjacent 900 MW campus for Microsoft. On September 17, 2026 it closed the first part of a $3.9B Series F at a $30.9B post-money valuation, and it reports over 6 GW of contracted capacity. Crusoe Cloud lists GB200 NVL72, B200 and AMD MI355X by quote, with H100 at $3.90 and H200 at $4.29 per GPU-hour on demand.
Example models: DeepSeek V4 Pro, GLM 5.3, Kimi K2.6
Full Crusoe profileStreamLake
StreamLake is the AI cloud brand of Kuaishou, the Chinese short-video company behind the Kling video models. It sells model-as-a-service inference and bare-metal compute to internet businesses, drawing on the infrastructure Kuaishou built to serve video at massive scale. Its developer site offers APIs, SDKs and integration guides aimed at taking teams from testing to production.
Example models: KAT-Coder-Pro V2.5, KAT-Coder-Air
Full StreamLake profileShould you choose Crusoe or StreamLake?
Crusoe
Choose Crusoe for
- Open-weight models under your control
- Fine-tuning a coding model with LoRA
- Buyers who need US-built capacity
StreamLake
Choose StreamLake for
- KAT-Coder inside Claude Code via proxy
- Flat subscription pricing for agentic coding
- Chinese businesses wanting domestic MaaS
Crusoe vs StreamLake at a glance
| Attribute | Crusoe | StreamLake |
|---|---|---|
| Model access | Open weights | Proprietary coding models |
| Flagship models | DeepSeek V4, GLM 5.3, Kimi K2.6, Nemotron 3 | KAT-Coder-Pro V2.5, KAT-Coder-Air |
| Speed | Up to 9.9x faster TTFT vs vLLM (vendor claim) | Unknown |
| Price | $0.05–$1.74 in, $0.20–$4.40 out per 1M | Per token or KwaiKAT Coding Plan |
| Customization | Serverless LoRA fine-tuning | Unknown |
| Deployment | Serverless, self-serve and tailored dedicated, raw GPUs | MaaS API, bare metal |
| Long context | Varies by model; cluster-wide KV cache | Unknown |
Frequently asked questions
What is the difference between Crusoe and StreamLake?
StreamLake is Kuaishou's AI cloud, selling its proprietary KAT-Coder models from China. Crusoe hosts open models in its own data centers with fine-tuning and dedicated GPUs.
When should I choose Crusoe over StreamLake?
Open-weight models under your control; Fine-tuning a coding model with LoRA; Buyers who need US-built capacity.
When should I choose StreamLake over Crusoe?
KAT-Coder inside Claude Code via proxy; Flat subscription pricing for agentic coding; Chinese businesses wanting domestic MaaS.
Is Crusoe or StreamLake cheaper?
Crusoe: $0.05–$1.74 in, $0.20–$4.40 out per 1M. StreamLake: Per token or KwaiKAT Coding Plan. The cheaper choice depends on the model and workload.
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