Mojo reaches for 1.0, and Python finally has a sibling that speaks GPU

By Mark 7 min read 0 views

😁 Hello, super humans! A language that looks like Python but compiles down to the metal just took its biggest step toward a stable release, and it landed quietly in a Thursday changelog while everyone was watching the AI scoreboard. Mojo 1.0 Beta 2 is the kind of news this newsletter exists for, so let’s dig into what it really means, then sweep the rest of the beat.

πŸ“° Quick Signals

  • 🧠 AI: Microsoft rolled out its own in-house MAI models, including a code-generation model aimed at cutting its reliance on OpenAI and lowering costs for developers (CNBC).
  • πŸ€– Robotics: German humanoid startup Neura Robotics closed a Series C of up to $1.4B, with Amazon, Nvidia, Qualcomm, Bosch and the European Investment Bank on the cap table (CNBC).
  • πŸ’» Programming: Mojo 1.0 Beta 2 shipped as part of Modular 26.4, moving the Python-flavored systems language closer to a stable, semantically versioned 1.0 (Modular).
  • ⚑ Electronics: The US Commerce Department signed a CHIPS incentive with Coherent to expand indium phosphide manufacturing in Sherman, Texas, adding more than 1,000 jobs (SIA).
  • πŸ“‘ Telecom: Nvidia and a roster of global operators committed to building 6G on open, AI-native software platforms, setting the tone for the next network generation (Nvidia).

πŸ” The Big Story: Mojo reaches for 1.0, and Python finally has a sibling that speaks GPU

For years the pitch was almost too good to believe: write something that reads like Python, runs like C, and targets a GPU without leaving the language. This week that pitch got a lot more concrete.

What happened: On June 18, Modular shipped release 26.4, which includes Mojo 1.0 Beta 2 (Modular). It is the second beta on the road to a feature-complete 1.0, a milestone the team has said it expects to hit sometime in 2026, at which point the Mojo compiler will be open sourced (Modular’s path to 1.0). The standard library is already open source under Apache 2.0.

The details: The strategic choice here is what makes Mojo interesting. Modular is not declaring 1.0 once the language can do everything; it is declaring 1.0 once it nails one thing: high-performance CPU and GPU kernels written in Python-like syntax. That is “Phase 1” of the published roadmap. Some headline features that systems programmers usually expect, a full async model and private struct members among them, are deliberately punted to later 1.x and a future 2.0. The payoff for that restraint is semantic versioning and stability markers, so code you write against the stabilized parts should keep building across the whole 1.x line. For a language led by Chris Lattner, who previously built LLVM, Clang, MLIR and Swift, the explicit goal is to avoid a Python 2 to 3 style migration trap by shipping the breaking 2.0 behind an opt-in experimental flag and allowing package-by-package migration.

flowchart LR
    A[Mojo today: betas] --> B[Phase 1: CPU + GPU kernels]
    B --> C[Mojo 1.0 stable + compiler open sourced]
    C --> D[1.x: match, enums, more, backward compatible]
    C --> E[2.0 behind experimental flag: private members, breaking]
    E --> F[Package-by-package migration]

Important

Our take: The most underrated part of this release is the discipline. Cutting scope to reach a stable 1.0 is the opposite of how most ambitious languages behave, and it is exactly why Mojo has a shot at being more than a research toy. If you write CUDA-adjacent kernels or fight the Python performance ceiling for numeric work, this is the moment to actually install it and port one hot loop, not just bookmark the announcement. The risk is real too: a closed compiler until later this year and a known 2.0 break on the horizon mean you should keep your Mojo to isolated, performance-critical modules for now, not your whole stack.

πŸ—žοΈ More News

A language-and-silicon kind of day, with humanoids quietly raising eye-watering rounds in the background.

🧠 AI

  • Microsoft and Google both pushed their own AI coding models to challenge Anthropic and OpenAI directly, turning code generation into a four-way frontier race (CNBC).
  • Microsoft positioned its MAI lineup as a cost and independence play, reducing how much it leans on OpenAI for core capabilities (Euronews).
  • Anthropic opened a Seoul office and announced new partnerships across the Korean AI ecosystem, continuing its international expansion (Anthropic).

πŸ€– Robotics

  • Neura Robotics raised a Series C of up to $1.4B, one of the largest European humanoid rounds yet, backed by Amazon, Nvidia, Qualcomm, Tether, Bosch, Schaeffler and the European Investment Bank (CNBC).
  • A Robotics Summit panel dug into the unsettled state of humanoid design, including why a fenceless-operation safety standard still does not fully exist (The Robot Report).
  • China laid out a 2026 plan to move 10,000 humanoid robots from demos into real jobs, an aggressive bet on deployment over benchmarks (eWeek).

πŸ’» Programming

  • The June 2026 TIOBE Index shows Python slipping below 19%, C++ reclaiming third place from Java, and Rust climbing to its highest-ever rank at #12 (World Today Journal).
  • A first look at Mojo 1.0 frames it as a deliberate blend of Python’s syntax and Rust-style memory safety, compiled to native code (InfoWorld).
  • Pydantic’s Monty, a Rust-built sandboxed subset of Python, is being run inside WebAssembly, hinting at safer ways to execute untrusted Python (Simon Willison).

⚑ Electronics

  • A severe memory chip shortage is squeezing consumer electronics makers as producers like Micron redirect output toward higher-margin data center customers (TS2).
  • SandboxAQ signed a definitive $500M CHIPS R&D agreement to use AI for materials discovery in chip manufacturing (TS2).
  • Global semiconductor sales hit $110.5B in April, up 11% month over month, with the industry on track for a record year (SIA).

πŸ“‘ Telecom

  • The first 6G specifications are slated for 3GPP Release 21, with the spec-work timeline being decided around mid-2026 (Light Reading).
  • Mobile operators are publicly pleading not to repeat 5G’s fragmented rollout, asking for a simpler, cheaper migration path to 6G (The Register).
  • At MWC 2026 the industry pivoted hard from 5G messaging to AI-powered 6G, with Nvidia partnering across major operators on open platforms (TechSpot).

πŸ‘¨β€πŸ’» Code Corner

Mojo borrows Python’s look but adds fn and typed var, so a tight numeric loop runs without the interpreter overhead. Here is a one-file taste that approximates pi squared over six (the Basel sum):

fn main():
    var total: Float64 = 0.0
    for i in range(1, 1_000_001):
        total += 1.0 / Float64(i * i)
    print("Approx pi^2 / 6 =", total)

Run it with mojo run basel.mojo after installing the toolchain, and you get a compiled binary’s speed from code that reads like a tutorial.

Tip

Mojo installs through Modular’s pixi/magic tooling rather than pip; grab the toolchain from mojolang.org and keep Mojo modules isolated from your Python code until 1.0 stabilizes.

🧰 Toolbox

  • Mojo GPU Puzzles: an interactive, puzzle-based way to learn GPU programming from scratch in Mojo.
  • Lightbug: a pure-Mojo HTTP framework, handy if you want to feel the language outside of kernels.
  • modular/modular: the open-source repo where Mojo’s standard library and nightly changes land.
  • Pydantic Monty: a Rust-based sandboxed Python subset for running untrusted code in WebAssembly.
  • SIA Latest News: a clean feed for tracking the chip market’s monthly swings.

πŸ”Œ Component of the Week (rotating)

Raspberry Pi RP2350: the dual-architecture microcontroller at the heart of the Pico 2, pairing two Arm Cortex-M33 cores with two RISC-V Hazard3 cores you can switch between, plus 520KB of on-chip SRAM. It adds hardware features the original RP2040 lacked, including floating-point support, a secure-boot path, and faster programmable I/O for bit-banging custom protocols. A typical project use is a low-cost USB or sensor hub where you want headroom for DSP-style work without jumping to a full Linux board. Boards built on it start around $5, and the bare chip is roughly $1 in volume. See the RP2350 product page and datasheet.

πŸ“š From the Blog

  • CloudEvents 1.0: A Universal Language for Your Events: In a world of distributed systems, events need a common language. CloudEvents 1.0 defines a simple, consistent way to describe event data so applications, services, and platforms can communicate without confusion

πŸ˜€ The Bot Says…

A language that promises Python’s comfort and C’s speed, then ships a roadmap politely listing everything it cannot do yet. Honestly? That restraint is the most futuristic feature in here.


That’s all for today! Reply and tell us: would you port a hot loop to Mojo, or wait for the stable 1.0?