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AI Daily Brief — 28 August 2025

A stacked Thursday. xAI shipped Grok Code Fast 1. OpenAI shipped gpt-realtime + Realtime API GA. Pixel 10 shipped. Gemini Live got visual on-screen guidance. NVIDIA stock continued Q2 reaction. Colorado AI Act delayed.

Top stories

  • xAI launches Grok Code Fast 1. Reasoning model optimized for agentic coding. $0.20/1M input, $1.50/1M output, $0.02/1M cached input. 70.8% on SWE-Bench-Verified using xAI internal harness. Built from scratch with new architecture, pre-trained on programming-heavy data, post-trained on real-world PRs. Free for limited time on GitHub Copilot, Cursor, Cline, Kilo Code, Roo Code, opencode and Windsurf. Quietly previewed under codename “sonic”. via xAI
  • OpenAI ships gpt-realtime and Realtime API GA. Most advanced speech-to-speech — better at complex instructions, tool calls, producing natural/expressive speech. New: remote MCP server support, image inputs, SIP phone calling. Prices cut 20% vs gpt-4o-realtime-preview: $32/1M audio in ($0.40 cached) and $64/1M audio out. via OpenAI
  • Pixel 10 lineup ships. Google Pixel 10, 10 Pro, 10 Pro XL hit stores. Tensor G5 with Gemini Nano powering Magic Cue, Camera Coach, on-device photo editing with text/voice prompts, Gemini Live’s new visual on-screen guidance. From $799. Pixel 10 Pro Fold delayed to Oct 9. Early reviews praised camera but called Magic Cue “hit-or-miss” and Camera Coach “clunky”. via Droid-Life
  • Gemini Live expands to Calendar, Keep, Tasks + visual on-screen guidance. Updates beginning Aug 28: visual on-screen guidance when sharing camera (starting Pixel 10, then Android/iOS). Deeper Google-app connections to Calendar, Keep, Tasks. Messages, Phone, Maps coming next. via Google
  • Colorado AI Act delayed to June 30, 2026. Governor signed SB 25B-004 on Aug 28, delaying Colorado AI Act (SB 24-205) from Feb 1, 2026 to June 30, 2026. First comprehensive US statute targeting “high-risk” AI systems — requires reasonable care to prevent algorithmic discrimination, impact assessments, consumer disclosures. via NCSL

Who shipped

xAI shipped Grok Code Fast 1. OpenAI shipped Realtime GA. Google shipped Pixel 10 + Gemini Live update.

Open-source pulse

NVIDIA Q2 FY26 reaction — $46.74B revenue (vs $46.06B est), EPS $1.05 adj (vs $1.01 est), +56% YoY. Data Center $41.1B (+5% QoQ, +56% YoY); Blackwell Data Center +17% sequential. Guidance: Q3 growth still above 50%. Market muted-to-negative as Data Center missed estimates second straight quarter; NVDA traded down ~0.8% on Aug 28. Huang: data-center demand “incredible”.

Money, infra & hardware

Microsoft 365 Copilot opens “Try GPT-5” button — Copilot Chat letting users tap GPT-5’s real-time router. Same wave: Purview Insider Risk Management detection for risky AI prompts in Copilot, admin controls for ownerless agents, image generation in M365 Copilot for unlicensed users. via Microsoft

Quiet corners

Meta AI connects to Google and Outlook calendars — users can connect calendars to Meta AI for event notifications, create personal events, surface calendar info on request. Apple internally debates buying Mistral or Perplexity (~$14B valuation, largest-ever Apple deal). DeepSeek V3.1 momentum continues ahead of Sep 6 price change.

By the numbers

  • $0.20 / $1.50 / 70.8% — Grok Code Fast 1 input/output per 1M / SWE-Bench-Verified
  • 20% / $32 / $64 — Realtime API price cut / audio in / out per 1M
  • $799 / Oct 9 — Pixel 10 starting / Pro Fold delayed
  • Feb 1 → Jun 30 2026 — Colorado AI Act effective date shift
  • $46.74B / +56% / +17% — NVIDIA Q2 / YoY / Blackwell sequential

Compiled by AI Feed’s editor from verified web sources for 28 August 2025.