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FlashQLA
A
ChatGPT Operator
B
Luma Dream Machine
A
Cursor
S
TaglineQwen's open-source GPU kernel library that squeezes 2–3× more speed out of linear attention on NVIDIA Hopper hardware — if you're lucky enough to own one.OpenAI's browser agent. Clicks and types on websites for you.Smooth, cinematic motion. Image-to-video specialist.VS Code fork that made AI coding actually work.
CategoryDev PlatformAgentsVideoCoding
PricingFree (MIT License, open-source)Included with ChatGPT Pro $200/moFree + $10-$500/moFree + $20/mo Pro + $40/mo Business
Best forML engineers and researchers running Qwen3.x linear-attention models on H100/H200 clusters who need to close the gap between theoretical GDN efficiency and actual hardware throughput.Power users willing to pay $200/mo for a browser bot.Photographers animating stills, cinematic b-roll.Developers. Non-developers who want to ship working code.
Strengths
  • 2–3× forward-pass and ~2× backward-pass speedup over FLA Triton kernels on Hopper GPUs
  • Gate-driven automatic intra-card context parallelism boosts SM utilization in long-sequence, small-head-count regimes without manual config
  • Hardware-friendly algebraic reformulation reduces Tensor Core, CUDA Core, and SFU overhead with no numerical precision loss
  • MIT licensed and fully open-source — drop it straight into Qwen3.x training and inference pipelines
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • Best image-to-video in the category
  • Great camera motion control
  • Ray 2 model produces striking shots
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
Weaknesses
  • Extremely narrow hardware requirement: SM90+ only (H100/H200, DGX Spark) with CUDA 12.8+ and PyTorch 2.8+ — useless outside Hopper-class clusters
  • GDN/Qwen-specific: not a drop-in replacement for FlashAttention-style softmax kernels, and won't help you if you're not running linear-attention Qwen models
  • Very new, minimal community adoption or third-party validation yet
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Prompt fidelity below Runway
  • Queue times on free tier
  • Can feel overwhelming for non-coders
  • Expensive at scale
Kai's verdictA genuinely impressive, laser-focused kernel optimization from the Qwen team — real speedups on real hardware — but its utility is gated behind Hopper GPUs and Qwen's GDN architecture, making it a niche power tool rather than a broadly useful library. (Verdict pending Phi's full review.)B-tier. Still early. Manus is more flexible for less money.A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.
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