Intel® oneAPI Toolkit is a comprehensive development toolkit designed to help developers build high performance applications that scale across modern CPUs, GPUs and heterogeneous computing environments.
The toolkit includes industry leading, standards based compilers, performance optimised libraries, and advanced tools for profiling, debugging and code analysis. With support for SYCL®, C++ and other open programming models, developers can create portable applications that run efficiently across a variety of hardware platforms.
For engineering and scientific computing, Intel® oneAPI also includes the Intel® Fortran Compiler, one of the industry’s most widely used compilers for high performance numerical applications. It enables organisations to modernise, optimise and maintain existing Fortran codebases while taking advantage of the latest Intel processor and accelerator technologies.
Whether developing edge applications, desktop software or large scale distributed systems, Intel® oneAPI provides the tools needed to accelerate development, improve performance and maximise hardware utilisation.
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What is included in Intel oneAPI Toolkit
Intel® oneAPI provides developers with compilers, libraries and performance analysis tools for building high performance applications on modern hardware.
- Intel® C++ Compiler with SYCL® support
- Intel® Fortran Compiler for scientific and engineering applications
- Performance libraries for math, AI and data processing
- Profiling and debugging tools for performance optimisation
- Tools for developing applications across CPUs, GPUs and accelerators
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Intel oneAPI Toolkit 2026
New in Intel® oneAPI 2026: a unified toolkit that combines the former Base and HPC Toolkits, enhanced SYCL and GPU offload support, improved Intel® Fortran and C++ compilers, advanced performance tuning tools, and optimisations for the latest Intel® Xeon® processors.
Key New Features in Intel oneAPI Toolkit 2026
- The Base Toolkit and HPC Toolkit have been merged into a single Intel® oneAPI Toolkit, simplifying licensing and deployment.
- Enhanced SYCL support and performance, including improvements to SYCL Graph, Intel Xe GPU device queries and kernel information handling.
- Improved OpenMP and GPU offload capabilities, making it easier to port applications between CPUs and GPUs.
- New Intel Xeon optimisations, including support for upcoming Intel® Xeon® 6+ processors and additional compiler tuning controls.
- More detailed compiler optimisation reports, helping developers understand and tune application performance.
- Updates to the Intel® Fortran Compiler (IFX) and performance libraries, continuing Intel’s focus on HPC, engineering and scientific computing workloads.
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License Options
Single-Node vs Multi-Node
- Single-Node: supported for use on laptop, notebook, desktop, PC, or workstation
- Multi-Node: supported for use on laptops, notebooks, desktops, PC, workstations and distributed memory systems ie HPC clusters
License Types for oneAPI Toolkit
- Named User License. Support for 1 developer
- 2-seat Concurrent. Support for up to 10 developers
- 5-seat Concurrent. Support for up to 25 developers
With oneAPI Toolkit the need for license server has been removed. Users must be compliant with Intel’s EULA and purchase the number of seats to match the number of users who need to use the software concurrently.
Who Needs It
C, C++, Data Parallel C++, Fortran, Python, OpenMP, and MPI software developers and architects building HPC, enterprise, AI, and cloud solutions • Developers looking to maximize their software’s performance and flexibility to support cross architectures on current and future Intel® platforms.
- Academic
Degree-granting institutions only; colleges and universities that teach students in higher education towards earning a degree - Commercial
All other users, including government and non-profit institutions that are not degree-granting
Supported platforms
Intel oneAPI Base & HPC Toolkit is offered with support for Windows and Linux. Support for both platforms are included with each license.
Languages
Intel oneAPI Toolkit is offered with support for Fortran, C++ and Data Parallel C++. Support for all described languages is included with each license.
Transition to Intel oneAPI Toolkit 2026
With the Intel® oneAPI 2026 release, Intel is consolidating the Intel® oneAPI Base Toolkit and the Intel® oneAPI HPC Toolkit into a single offering: Intel® oneAPI Toolkit.
The new Intel® oneAPI Toolkit brings together the capabilities previously delivered through the separate oneAPI Base Toolkit and oneAPI HPC Toolkit into a single, consistent toolkit. The information below is intended to help current oneAPI Base and oneAPI HPC Toolkit users understand the transition to Intel® oneAPI Toolkit. The same core development tools are now provided through one unified toolkit, with some components available as standalone downloads.
Depending on which toolkit you are currently using, your product upgrade path forward is as follows:
If you have active oneAPI toolkit support, your support remains in place, Priority Support continues without interruption. Your upgraded entitlement will establish access and support for the Intel® oneAPI Toolkit.
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Intel oneAPI Toolkit Support
Alfasoft offer paid licenses of Intel oneAPI software with support. Intel Support includes
- Submit questions, problems and other technical support questions
- Monitor issues you’ve submitted previously
- Direct and private interaction with Intel’s support engineers, including the ability to submit confidential support requests
- Accelerated response time for technical questions and other product needs
- Free download access to all new product updates and continued access to older versions of the product
- Priority assistance for escalated defects and feature requests
- Access to a vast library of self-help documentation built from decades of experience with creating high-performance code
- Access to Intel public community forums supported by community technical experts and monitored by Intel engineers
Without paid support, support for free tools is only available through public community forums and only for the latest version update of the current year.