Zerve is the most complete option, with unlimited parallelization, compute optimization and a lot of collaboration tools. It's a notebook-IDE hybrid built into an integrated environment, supports multiple programming languages, and can be self-hosted on AWS, Azure or GCP. Zerve's features include pair-programming, syncing, async commenting and version control, so it's good for teams that need to balance collaboration and stability.
Another good option is LangChain, which supports parallelization through its framework for building LLM-based applications. It comes with LangSmith for performance monitoring and LangServe for deploying APIs with batch, streaming and async operations. LangChain is geared for financial services and tech companies, with a free tier and paid options starting at $39 per user per month.
If you're more interested in developing and deploying AI applications, Anyscale offers the highest performance and efficiency. It can handle a broad range of AI models, including LLMs, with workload scheduling, cloud flexibility and GPU and CPU fractioning to get the most out of your resources. Anyscale's integrations with popular IDEs and free tier make it accessible to smaller teams, but you can pay for more with a customizable plan for bigger businesses.