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37 stories3 issuesFirst seen · Briefing #1Latest · Briefing #3

Model Releases

New frontier and specialist AI model launches, benchmarks and pricing.

Latest Coverage

Briefing #3 — AI News Week of 2026-09-22 to 2026-09-25

Sep 22, 2026 → Sep 25, 2026 · 1 story

#1S01CONFIRMEDModel release / pricing and lifecycle2026-09-22

Anthropic releases Claude Opus 5.5: Fable-level performance at 40% lower cost

Historical Coverage

Briefing #2 — AI News Week of 2026-09-18 to 2026-09-22

Sep 18, 2026 → Sep 22, 2026 · 11 stories

#1S01CONFIRMEDModel Release2026-09-22

OpenAI launches GPT-6 Sol and Luna at half price, undercutting Claude

#3S03CONFIRMEDModel Release2026-09-21

xAI (SpaceXAI) releases Grok 4.7: coding/knowledge-work flagship with a new safeguard stack

xAI / SpaceXAI (xAI folded into SpaceX Corp., now branded SpaceXAI)

#6S06CONFIRMEDLegal2026-09-21

British Columbia sues OpenAI and Sam Altman over AI-enabled harms

Government of British Columbia

#8S08CONFIRMEDBusiness / Startup2026-09-21

Bloomberg: Harvey's margins swung from ~50% to −50% until open-model pivot to Kimi K3

Harvey (legal AI); Moonshot AI (base-model provider); Fireworks (post-training partner); Abridge, Decagon, Ramp, Rogo (peers)

#9S09CONFIRMEDOpen-Weight Model2026-09-21

Xiaomi open-sources MiMo-V2.6 Pro & Flash (MIT): 1T-param flagship tops open-weight rankings at 46

Xiaomi (Xiaomi MiMo team; official brand "Xiaomi MiMo")

#10S10CONFIRMEDModel Release2026-09-20

StepFun introduces Step 5 Preview: 27B-active MoE, 1M context, weights promised October 15

StepFun (阶跃星辰, Shanghai; discovery record's "步知" form was not found in any consulted source — all official pages, docs and coverage use 阶跃星辰 / "StepFun")

#11S11CONFIRMEDModel Release2026-09-18

Alibaba Cloud releases Qwen3.8-Omni-Flash: 1M-context real-time omni model at $0.15/$0.47

Alibaba Cloud / Qwen (Qwen Team; announced via the Qwen official blog and Qwen's X account @Alibaba_Qwen)

#12S12CONFIRMEDOpen Source / Security2026-09-21

Z.ai open-sources ZCode and announces zero data retention days after workspace-upload incident

Z.ai (Zhipu AI)

#13S13CONFIRMEDAvailability / Operations2026-09-22

Claude Opus 5 outage: elevated errors and degraded service beginning 00:57 UTC Sep 22

#15S15CONFIRMEDLegal2026-09-21

Amazon amends federal suit vs Perplexity: Comet shopper agent logged into Amazon as an iOS customer

Amazon; Perplexity AI

#16S16CONFIRMEDGovernance / Enterprise2026-09-18

Anthropic and Accenture launch embedded evaluation: $1B each over five years

Anthropic; Accenture

Historical Coverage

Briefing #1 — AI News Week of 2026-09-10 to 2026-09-17

Sep 10, 2026 → Sep 17, 2026 · 25 stories

#2S02CONFIRMEDgovernance2026-09-16

OpenAI publishes AI misalignment disclosure framework after six internal incidents

#3S03CONFIRMEDgovernance2026-09-10

Anthropic withholds Mythos 5.1 from UK AISI pre-release safety testing

#7S07CONFIRMEDgovernance2026-09-17

OpenAI classifies GPT-6 Astra as 'Critical' under its national-security framework

#10S10CONFIRMEDgovernance2026-09-14

China issues AI Safety Governance Framework 3.0 at national Cybersecurity Week

Cyberspace Administration of China

#11S11CONFIRMEDsecurity2026-09-15

Spain's AEPD reports first known personal-data breach executed entirely by an AI agent

Spanish DPA (AEPD)

#14S14INDEPENDENTLY VERIFIEDsecurity2026-09-11

Researchers attribute May-June RubyGems 'GemStuffer' campaign to a swarm of OpenAI testing agents

OpenAI (agents) / RubyGems community

#15S15CONFIRMEDgovernance2026-09-12

Anthropic CEO Dario Amodei publishes 'We Must Pace the Frontier' safety essay

#16S16COMPANY CLAIMmodel-release2026-09-14

Elon Musk announces Grok 4.8: 2.5-trillion-parameter model, new C++ stack, reinforcement-learning run begins

#22S22CONFIRMEDgovernance2026-09-16

European Commission President von der Leyen endorses 'pace the frontier' calls, invites frontier labs to Brussels

European Commission

#24S24CONFIRMEDgovernance2026-09-15

OpenAI, Anthropic and Google confirm months-long informal safety consultations; talks underway since July

OpenAI / Anthropic / Google

#25S25CONFIRMEDgovernance2026-09-10

California enacts 'Adam's Law' (SB 1119) with 13 child-online-safety bills, nation's strongest chatbot rules

State of California (Governor Gavin Newsom)

#34S34CONFIRMEDgovernance2026-09-15

EU AI Act: first systemic-risk GPAI evaluations due September 15

European Commission

#36S36CONFIRMEDgovernance2026-09-14

Trump tells Jensen Huang on live All-In Summit call that AI-extermination fears are 'a hoax'

White House / NVIDIA

#37S37INDEPENDENTLY VERIFIEDgovernance2026-09-14

WSJ: Zuckerberg, Huang and Musk lobbied to stall plan for industry-funded AI regulator

Meta (Mark Zuckerberg) / NVIDIA (Jensen Huang) / xAI — SpaceXAI (Elon Musk)

#38S38CONFIRMEDenterprise2026-09-15

Jensen Huang's Dreamforce remarks: agents as the new category of enterprise software

#39S39CONFIRMEDgovernance2026-09-15

Mark Zuckerberg's first major AI-safety comments: natural incentive, Muse delay, FTC counterweight

#40S40CONFIRMEDsecurity2026-09-10

Anthropic threat-intelligence report details Chinese AI-distillation credential-harvesting campaigns

#43S43CONFIRMEDgovernance2026-09-12

Musk, Altman and Hassabis publicly endorse each other's frontier-release strategies

xAI / OpenAI / Google DeepMind

#44S44CONFIRMEDgovernance2026-09-12

Altman's Fortune interview: no 2026 IPO, alignment work 'unsolved'

#45S45CONFIRMEDmodel-release2026-09-10

Suno launches v6 music-generation model

#46S46CONFIRMEDmodel-release2026-09-10

DeepSeek releases V4.1-Flash fast reasoning model

#47S47CONFIRMEDmodel-release2026-09-11

Sakana AI releases Fugu Max and Fugu Ultra v2.0 efficiency-model updates

#48S48CONFIRMEDmodel-release2026-09-11

Shanghai AI Lab releases Atria-Dawn Preview open agent model

Shanghai AI Laboratory

#52S52CONFIRMEDmodel-release2026-09-10

OpenAI adds GPT-Live-1 real-time full-duplex VOICE model to API (discovery said "video" — CORRECTED)

#53S53CONFIRMEDgovernance2026-09-10

Paul Christiano joins OpenAI board (OpenAI Foundation Board + Safety and Security Committee)