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Parasail vs StreamLake
StreamLake sells Kuaishou's proprietary KAT-Coder models from China. Parasail runs open models on aggregated GPUs. A proprietary coding model against an open host.
By The Subconscious Team · Updated
Parasail vs StreamLake: key differences
StreamLake's pitch centers on one proprietary model. KAT-Coder-Pro V2.5 comes from Kuaishou's KwaiKAT team, and StreamLake says agentic reinforcement learning trained it for repository-level coding. It is sold per token or through a KwaiKAT Coding Plan, with a Claude-protocol proxy for Claude Code. Parasail has no model of its own. It runs any open Hugging Face model on serverless, elastic, dedicated or batch tiers, which makes it a place to run an open coding model instead, on real-time endpoints for the agent and batch for evals.
Buyer fit is the bigger split. StreamLake's docs lead with China, and data residency in China rules it out for many US and EU enterprises. Parasail targets AI-native startups, most of which start by running it beside a closed-model vendor before shifting workloads under a ZDR and SLA agreement. StreamLake also sells bare metal for Chinese internet businesses on Kuaishou's infrastructure. Parasail's reserved GPUs are quote-only.
What Parasail and StreamLake do
Parasail
Parasail calls itself the inference cloud for AI-native startups. It aggregates GPUs across about 40 data centers in 15 countries, runs some clusters of its own, and since July 2026 has deployed d-Matrix Corsair accelerators alongside NVIDIA Hopper and Blackwell, all sold through one OpenAI compatible API. It raised a $32M Series A in April 2026, led by Touring Capital and Kindred Ventures. Customers choose serverless per-token endpoints across about 40 curated models, Elastic Endpoints that scale with traffic and bill tokens at 1.25x serverless rates on selected models, dedicated deployments with negotiated latency SLAs, or batch. Its commit-to-spend model lets one commitment draw down across any model or hardware.
Example models: Kimi K3, DeepSeek V4.1 Flash, GLM-5.3, MiniMax M3
Full Parasail 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, and its Vanchin platform also hosts third-party open models from DeepSeek and GLM, most recently DeepSeek V4.1 Flash 1017.
Example models: KAT-Coder-Pro V2.5, KAT-Coder-Air V2.5
Full StreamLake profileShould you choose Parasail or StreamLake?
Parasail
Choose Parasail for
- Open coding models under ZDR terms
- Startups moving off closed APIs
- Batch evals of coding agents
StreamLake
Choose StreamLake for
- KAT-Coder-Pro V2.5 in Claude Code
- Subscription pricing for agentic coding
- Chinese businesses wanting domestic capacity
Parasail vs StreamLake at a glance
| Attribute | Parasail | StreamLake |
|---|---|---|
| Model access | Any Hugging Face model | Proprietary coding models, plus hosted open models |
| Flagship models | Kimi K3, DeepSeek V4.1 Flash, GLM-5.3, MiniMax M3 | KAT-Coder-Pro V2.5, KAT-Coder-Air V2.5 |
| Speed | 600ms p99 real-time budget | Unknown |
| Price | Per-parameter rates; batch 50% off | $0.74 in, $2.96 out (Pro V2.5), or KwaiKAT Coding Plan |
| Customization | Private Hugging Face repos | Unknown |
| Deployment | Serverless, elastic, dedicated, batch | MaaS API, bare metal |
| Long context | Varies by model | 256K |
Frequently asked questions
What is the difference between Parasail and StreamLake?
StreamLake sells Kuaishou's proprietary KAT-Coder models from China. Parasail runs open models on aggregated GPUs. A proprietary coding model against an open host.
When should I choose Parasail over StreamLake?
Open coding models under ZDR terms; Startups moving off closed APIs; Batch evals of coding agents.
When should I choose StreamLake over Parasail?
KAT-Coder-Pro V2.5 in Claude Code; Subscription pricing for agentic coding; Chinese businesses wanting domestic capacity.
Is Parasail or StreamLake cheaper?
Parasail: Per-parameter rates; batch 50% off. StreamLake: $0.74 in, $2.96 out (Pro V2.5), or KwaiKAT Coding Plan. The cheaper choice depends on the model and workload.
Which has more context, Parasail or StreamLake?
Parasail: Varies by model. StreamLake: 256K.
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If your agents run past 200K tokens, compare both against Subconscious. Our inference stack treats a long-horizon trace as the primary workload, so speed, cost, and accuracy hold up deep into the trace.