Moonshot releases Kimi K3.1 Pro, a 2.8T open-weight model
Read original source →simonwillison.net
Kimi K3.1 Pro is a 3T-class MoE with 2.8T total / 104B active parameters and a 1M-token context, scoring 55 on the Artificial Analysis Intelligence Index — 4th overall and 11 points above Kimi K3. Weights aren't out yet; Moonshot promises full release by Nov 4, 2026, with API pricing at $2/M input and $10/M output.
How this story unfolded
12 days · 11 reports · 28 community posts · 39 of 42 shown
- Oct 23
Kimi K3.1 Pro and Kimi K3.1 Pro Highspeed are available now in AI Gatewayvercel.com
Moonshot Debuts First AI Upgrade Since Its Own DeepSeek Momentbloomberg.com
Introducing Kimi K3.1 Prosimonwillison.net
Moonshot AI Releases Kimi K3.1 Pro: A 2.8T Total/104B Active Params (MoE) Model with 1M Contextmarktechpost.com
- Oct 24
[AINews] Kimi 3.1 Pro 104BA-2.8T: Fable-5.1-Class Open Weights narrows Closed-AI lead to 1 month... and Pro Highspeed API with 2-3× speedlatent.space
They actually did it... (Kimi K3.1)youtube.com
Open-Source AI Models Caught Up! (Kimi K3.1 Pro)youtube.com
Kimi K3.1 Invented the Benchmark Scoresyoutube.com
- Oct 25
- Oct 26
- Nov 4
More stories today
RustingStrata: pure-Rust Qwen inference engine runs on a 12 GB GPU
RustingStrata is a pure-Rust inference engine for Qwen GGUF models with no ggml dependency, compiling CUDA kernels at startup via NVRTC and running the same kernels on Vulkan. It supports Qwen3.5/3.6 from 2B up, and the author says it runs Qwen3.8-Flash-Next faster than the original Strata.
r/LocalLLaMA·1 hour ago
AI race is raising companies' bills, from GPUs to memory to Microsoft 365
VentureBeat analysis argues AI infrastructure costs are spreading beyond GPUs into memory and per-seat software like Microsoft 365. The piece traces how the spending pressure reaches enterprise budgets across the stack.
VentureBeat·2 hours ago

Isomorphic Labs in talks to raise ~$5B at ~$50B valuation
Alphabet's DeepMind-spun-out drug discovery unit is negotiating roughly $5 billion in new funds, per Bloomberg sources. The round would value Isomorphic at about $50 billion, up from the at-least-$40 billion valuation reported in early October talks. Financing hasn't closed and terms could change.
Bloomberg Technology·2 hours ago

AI PACs spent millions on 2026 midterms with mixed results
Two industry PACs, American Mission and Building the Future, spent $4.8M backing South Carolina Senate candidate Darline Graham, who lost. Anthropic-backed Public First had more success with Democrats, while Guardrails Alliance spent over $1M each opposing two losing candidates.
TechCrunch·2 hours ago
DevRev builds autonomous self-service on GPT-6.1 Sol
DevRev uses GPT-6.1 Sol to power its Computer and Operator products, balancing reasoning, speed, and cost for enterprise service.
OpenAI Blog·2 hours ago

OpenAI pipeline patches 948 Linux kernel privilege-escalation bugs
OpenAI built an autonomous pipeline that found, validated, and generated patches for 948 local privilege-escalation vulnerabilities in the Linux kernel. The post frames the work as cutting down the number of paths to root.
OpenAI Blog·2 hours ago

Three-month-old AI chip startup Tenspresso in talks at $500M valuation
Tenspresso, founded by former Google AI chip engineers, is negotiating a financing round that would value it at $500 million, per people familiar with the matter. The company is roughly three months old.
Bloomberg Technology·2 hours ago

John Chambers backs AI as a societal win, citing nine-year startup bets
JC2 Ventures founder and ex-Cisco CEO John Chambers said AI's growth pace and capital formation didn't surprise him, noting he backed AI startups nine years ago. He spoke on Bloomberg The Close.
Bloomberg Technology·2 hours ago
