GPU AI Code Editor

AI-powered code editor designed specifically for CUDA development and optimization.

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★★★★★ 4.9/5.0 (100+ reviews)

Trusted by hardware AI developers
at leading companies

Nvidia
Runway
Together
RightNow AI Code Editor
Instant analysis

Instant analysis

See kernel metrics while typing

SOTA LLMs that know your GPU

SOTA LLMs that know your GPU

Access top models trained on your GPU architecture

Local LLM Support

Local LLM Support

Ollama, vLLM, and BYOK privacy

Smart profiling terminal

Smart profiling terminal

Tells you exactly what's wrong and how to fix it

Built for real GPU work

Write CUDA on any machine, get code that actually runs fast

RightNow AI - AI agent that knows your GPU architecture

AI agent that knows your GPU architecture

Detects your GPU model and writes kernels specifically for your architecture. RTX 4090? A100? The agent knows and optimizes accordingly.

RightNow AI - GPU Emulator

GPU Emulator

Develop and test CUDA kernels without physical hardware. Works on any machine.

RightNow AI - Automated Benchmarking

Automated Benchmarking

Benchmark kernels across GPU architectures and configurations. Track performance over time.

RightNow AI - Remote GPU Virtualization

Remote GPU Virtualization

Connect to cloud GPUs instantly. Code locally, execute remotely.

Performance Benchmarks

User-reported performance enhancements using our optimization flow

Core Kernel Optimizations

Batched GEMM Fusion140.7x
A100 80GB
Before
1.2 TFLOPS
After
168.8 TFLOPS
Flash Attention v255.9x
RTX 3080
Before
2.8 TFLOPS
After
156.4 TFLOPS
Winograd Transform64x
RTX 4070
Before
1.4 TFLOPS
After
89.6 TFLOPS
Sparse MatMul40.3x
RTX 3070
Before
3.2 TFLOPS
After
128.8 TFLOPS
Grouped Convolution54.9x
RTX 4080
Before
2.6 TFLOPS
After
142.8 TFLOPS
Fused LayerNorm25.9x
RTX 3060 Ti
Before
3.8 TFLOPS
After
98.6 TFLOPS

Changelog

Latest updates and improvements

0.0.31
Sep 22, 2025

Remote GPU Access & AI Insights

Code anywhere, run everywhere. SSH integration and cloud GPU support with AI-powered optimization.

0.0.30
Sep 22, 2025

Full GPU Emulator - No Hardware Required

Profile CUDA kernels without physical GPU. 86+ architectures with roofline model analysis.

0.0.29
Sep 14, 2025

Benchmarking Terminal & Static Profiling

Full terminal for benchmark sweeps. Instant CodeLens insights while typing.

0.0.28
Sep 14, 2025

CUDA Benchmarking System

Comprehensive metrics, multi-GPU support, and CSV export for sharing results.

Join the community

Connect with CUDA developers

RightNow Logo

Now Available

Download RightNow

RightNow is now publicly available. Download and start optimizing your CUDA kernels today.

Windows

Download
Requires NVIDIA CUDA ToolkitDownload

Linux

Download
Requires NVIDIA CUDA ToolkitDownload

Mac

Coming soon