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AI Coding Live News

First-hand AI coding updates from 𝕏/Twitter frontier labs and researchers, distilled by AI with entity benchmarks.

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AI Coding Live News

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lauren@poteto·
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X Discussion: Grok Bot Engineer poteto Calls Adversarial Agent Code Reviews "Mostly a Waste of Tokens" and Argues for Empirical Plus Formal Verification Instead

On November 3, @poteto (lauren), whose bio says she works on Grok @bot at SpaceXSI, is on the React Compiler core team, and previously worked at Cursor, Meta and Netflix, posted what she called "maybe a hot take": she now considers adversarial reviews mostly a waste of tokens and thinks those tokens are far better spent on empirical combined with formal verification. She says she has updated her agent skill pack pstack to use its interrogate (multi-model adversarial review) skill less and may eventually remove it. She adds that she has found very little value in code review in the abstract, because agents tend to get lost in nitpicks and YAGNIs. The post drew about 906K views, 9,227 likes and 5,538 bookmarks. It is a personal opinion that sparked debate over the value of AI code review.

Key Takeaways

  • Opinion (personal, not an official finding): adversarial reviews are "mostly a waste of tokens"; empirical plus formal verification is the better use of them
  • Action: the author says she has made pstack use the interrogate skill less and may remove it; at fetch time the public pstack folder in GitHub cursor/plugins had no commits after October 27, so the change is not visible there yet
  • What interrogate is: per its public SKILL.md, it spawns one read-only reviewer per configured model (defaults Claude Opus 5.5 xhigh and Grok 4.7 xhigh fast) to attack the diff, then sorts findings into Act on, Consider, Noted and Dismissed without auto-applying fixes
  • Author (per her X and GitHub bios): engineer on Grok Bot at SpaceXSI, React Compiler core team, previously at Cursor, Meta and Netflix
  • Reach: about 906K views, 9,227 likes, 5,538 bookmarks, 668 replies, 356 reposts and 210 quotes
Read full story
Linked Models & Agents:
⚡ Claude Opus 5.5⚡ Grok 4.7🤖 pstack🤖 Cursor🤖 Claude Code🤖 Grok Bot🌐 SpaceXSI🌐 Cursor
#X discussion#code review#adversarial review#formal verification#AI coding agents#Pstack#agent skills
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Benji Taylor@benjitaylor·
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Benji Taylor, head of design at X and SpaceXSI, open-sources Stageshow, an agent skill for realistic faux product UI and animated demos

On Oct 31, Benji Taylor, head of design at X and SpaceXSI, released Stageshow on X: an open-source skill (MIT license) for coding agents that helps them produce faux product UI that looks real, including stills, cursor demo animations, and bento grids, delivered as ordinary React components. It installs with one command, and he says it works with Grok Build, Claude Code, Codex, Gemini, and others. The launch post drew about 4,500 likes and 6,500 bookmarks. He notes it rarely nails a demo in one shot and most still take a few rounds of feedback.

Benji Taylor, head of design at X and SpaceXSI, open-sources Stageshow, an agent skill for realistic faux product UI and animated demos

Key Takeaways

  • Install: npx skills add benjitaylor/skills --skill stageshow; the author says it works with Grok Build, Claude Code, Codex, Gemini, and other agents (author's post)
  • Contents: a seven-step workflow in SKILL.md, reference rule docs, dozens of gold examples, a React kit, and self-check scripts such as film.mjs (GitHub)
  • License: the stageshow folder is MIT licensed; the repo was created Oct 26 and had about 61 stars at writing time
  • Reach: the launch post had about 4,521 likes, 6,561 bookmarks, and 213k views as of Nov 1, 08:00 SGT
  • Quality claims are the author's own: the same prompts did better with the skill, but no quantitative evaluation was published
Read full story
Linked Models & Agents:
🤖 Stageshow🤖 Grok Build🤖 Claude Code🤖 Codex🤖 Gemini🌐 X🌐 SpaceXSI
#Stageshow#agent skill#faux UI#React#Design#Benji Taylor#open source
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xAIdocs.x.ai·
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xAI will add an invisible watermark to Grok API text by default from Nov 7, covering grok-4.7 and six other models, with per-model admin opt-out

On Oct 31, xAI (signed as SpaceXSI in its docs) added an "Output Watermarking" page to its API docs: starting November 7, 2026, text generated by grok-4.7, grok-4.6, grok-4.5, grok-4.3, and the reasoning, non-reasoning, and multi-agent versions of grok-4.20 will carry an invisible watermark by default, to comply with the EU AI Act. It covers ordinary text, structured outputs, and tool call arguments on both the Responses and Chat Completions APIs, and works by slightly shaping token choice without adding any characters. Developers can read the x-watermark response header to check; team admins can opt out per model in the Console, but must confirm a legal exception applies, and some models may be locked on.

Key Takeaways

  • Timing: on by default from November 7, 2026, with no code change and no request parameter (xAI docs)
  • Scope: 7 model IDs (grok-4.7, 4.6, 4.5, 4.3, and grok-4.20 reasoning, non-reasoning, and multi-agent) on the global and regional endpoints, across both Responses and Chat Completions
  • Coverage: ordinary text, structured outputs, and tool call arguments; the response header x-watermark: true marks a watermarked output
  • Opt-out: team admins switch it off per model, effective for new requests within 5 minutes and logged in the audit log; admins must confirm a legal exception applies, and some models are locked on
  • xAI's position: no effect on quality or speed; detection is statistical with three outcomes (watermarked, not watermarked, uncertain), and the detection API is by application
Read full story
Linked Models & Agents:
⚡ Grok 4.7⚡ Grok 4.6⚡ Grok 4.5⚡ Grok 4.3⚡ grok-4.20🤖 Grok API🌐 xAI
#xAI#Grok#Grok API#Watermarking#EU AI Act#Compliance#X watermark
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Elon Musk@elonmusk·
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Grok Bot can now phone people and businesses for you: Elon Musk says it makes the request, takes notes and sends a call summary (0.77 prerelease)

On Oct 25 SpaceXSI CEO Elon Musk (@elonmusk) posted on X that Grok Bot can now call someone or a business for you, make a request on your behalf, take notes on the response and send you a summary of the conversation. The post quoted a third-party rundown of the Grok Bot 0.77 prerelease: it dials, sits on hold, presses keys, gets transferred and shows a live transcript. As of Oct 25 SpaceXSI had not published release notes or docs for the feature, and supported regions, plans and AI disclosure to the callee are not announced.

Key Takeaways

  • Source: Elon Musk's own X post (post), Oct 25 14:35 UTC
  • Capability: calls a person or business for you, makes the request, takes notes and sends a call summary
  • Prerelease rundown (third-party @alexmichaelio): dialing, waiting on hold, key presses, transfers and a live transcript
  • Per CellCog and The Tech Signal, the official changelog and docs did not cover the feature as of Oct 25
  • At capture the post had about 14.4K likes, 1,399 reposts, 3,332 bookmarks and 2.31M views
Read full story
Linked Models & Agents:
⚡ Grok🤖 Grok Bot🌐 SpaceXSI
#Grok Bot#Agent#phone calls#voice agent#0.77
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宝玉 (@dotey) / Tesla@dotey·
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Tesla Unveils Next-Gen Roadster Live at SpaceX McGregor: Fan Suction Inverted Driving, Mid-Air Flip over Semi, and 0–60 mph in 0.59s via Cold-Gas Thrusters

Nearly nine years after its 2017 concept reveal, Tesla hosted a live unveiling of the second-generation Roadster at SpaceX's McGregor rocket test facility in Texas. Using an active underbody fan suction system and SpaceX cold-gas thrusters fed by carbon-fiber COPV tanks, the prototype drove upside down on a curved ramp, executed a mid-air barrel roll recovery, and vaulted over a lineup of Tesla vehicles including a Semi truck. Offered in Performance (<1.6s, $50k deposit), Thrust (<0.9s, $250k deposit), and invite-only single-seat Rocket (<0.59s) trims, production is tentatively targeted for 2028.

Tesla Unveils Next-Gen Roadster Live at SpaceX McGregor: Fan Suction Inverted Driving, Mid-Air Flip over Semi, and 0–60 mph in 0.59s via Cold-Gas Thrusters

Key Takeaways

  • Live McGregor stunt demonstration: combines underbody vacuum fan suction for inverted ramp driving with a 260 kg compressed-air COPV and 10 nozzles for mid-air flip recovery and vaulting over a Tesla Semi
  • Three-tier lineup led by 0.59s Rocket trim: includes road-legal Performance (<1.6s, $50k deposit), rear-thruster Thrust (<0.9s, $250k deposit), and invite-only single-seat Rocket (<0.59s, >370 km/h)
  • Engineering reality & 2028 timeline: cold-gas thrusters deliver 4–5x tire grip limits for brief multi-second hops; Musk verbally targeted 2028 production while final retail pricing remains undisclosed
Read full story
Linked Models & Agents:
⚡ Tesla Roadster⚡ Roadster Rocket⚡ Roadster Thrust⚡ Roadster Performance🤖 SpaceX Flight Control🤖 Tesla Autonomy🌐 Tesla🌐 SpaceX
#Tesla Roadster#SpaceX#Cold-Gas Thrusters#COPV#Active Aero#Elon Musk#Hardware Engineering
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SpaceX Super Intelligence@SpaceXSI·
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SpaceXSI launches Grok Voice 3.0: speech-to-speech model tops Artificial Analysis S2S Index at 86.9, price held at $0.08/min

SpaceXSI (SpaceX Super Intelligence, x.ai) released Grok Voice 3.0 on 2026-10-14 17:04 UTC. Per Artificial Analysis testing (Oct 13) cited on the official blog, it scores 86.9 on the Speech-to-Speech Index (Grok Voice 2.0 81.3, GPT-Live-1 Astra 83.2, Gemini 3.8 Live 82.6), 97% on Full Duplex Bench, and 71.6% on τ-Voice — on par with GPT-Live-1 at ~40% lower latency. In the Voice Agent API, grok-voice-latest now aliases grok-voice-3.0 with an unchanged interface at $0.08/min; grok-voice-2.0 is deprecated.

SpaceXSI launches Grok Voice 3.0: speech-to-speech model tops Artificial Analysis S2S Index at 86.9, price held at $0.08/min

Key Takeaways

  • #1 on Artificial Analysis Speech-to-Speech Index at 86.9 (v2.0 81.3, GPT-Live-1 Astra 83.2, Gemini 3.8 Live 82.6)
  • Big Bench Audio 98.5%, Speech Agent Arena Elo 1070, task success 94.8%, Full Duplex Bench 97.0%
  • τ-Voice 71.6%, comparable to GPT-Live-1 (Astra) at ~40% lower latency; top accuracy (74%) on ServiceNow EVA-Bench
  • Same price: $0.08/min ($4.80/hr); grok-voice-latest auto-upgraded to 3.0, grok-voice-2.0 deprecated
  • Production scale (vendor figures): ~20k Starlink support calls/day, ~70% resolved with no human
Read full story
Linked Models & Agents:
⚡ Grok Voice 3.0⚡ Grok Voice 2.0⚡ GPT-Live-1⚡ Gemini 3.8 Live🌐 SpaceXSI🌐 xAI🌐 Artificial Analysis🌐 ServiceNow
#Grok Voice 3.0#Speech to speech#voice agent#realtime API#SpaceXSI#xAI#Artificial Analysis
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Grok@grok·
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SpaceXSI launches The X Subscription: Grok, Cursor and X Premium in five tiers from $8, with Grok Bot from the $30 Premium tier

On 2026-10-12 SpaceXSI launched The X Subscription: Free $0, Plus $8, Premium $30 (Grok Bot, 4× usage), Super $100 (15×), Ultra $200 (50×), and Teams from $30/seat. Grok and Cursor share a weekly-refreshing usage pool; third-party models in Cursor bill at API list price. Existing subscribers can keep or switch plans; rollout is gradual.

SpaceXSI launches The X Subscription: Grok, Cursor and X Premium in five tiers from $8, with Grok Bot from the $30 Premium tier

Key Takeaways

  • Official: @SpaceXSI + @grok on 2026-10-12; details at x.ai/pricing
  • Tiers (pre-tax, monthly): Free $0 / Plus $8 / Premium $30 / Super $100 / Ultra $200; Teams from $30/seat
  • Usage: Premium/Super/Ultra = 4×/15×/50× Plus; one pool shared by Grok and Cursor, refreshed weekly
  • Grok Bot starts at Premium; third-party models in Cursor are excluded and billed at API list price
  • Vendor claim of more usage-per-dollar than replaced plans, no multiplier given; legacy plans can be kept
Read full story
Linked Models & Agents:
🤖 grok-bot🤖 cursor🌐 spacexsi🌐 xAI🌐 Cursor (Anysphere)🌐 x
#The X Subscription#Grok#Cursor#X Premium#Grok Bot#SuperGrok#SpaceXSI
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Grok Botbot·
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Grok Bot gets its own email inbox: claim a @mail.grokbot.com address to sign up for services, contact businesses and schedule meetings

SpaceXAI's official @bot account announced on Oct 9 that Grok Bot is rolling out its own email inboxes. Ask your Bot to claim one and it gets a @mail.grokbot.com address it can use to sign up for services, contact businesses or schedule time; team admins must enable it.

Grok Bot gets its own email inbox: claim a @mail.grokbot.com address to sign up for services, contact businesses and schedule meetings

Key Takeaways

  • Addresses live on @mail.grokbot.com; you can request a custom name and the Bot checks availability before claiming
  • The official announcement post passed 3,300 likes; rollout started Oct 9 (PT)
  • Team admins must enable inboxes for their team
  • The official changelog (0.68.1) does not yet list the feature; send limits and retention are undisclosed
Read full story
Linked Models & Agents:
🤖 Grok Bot🌐 SpaceXAI
#Grok Bot#AI Agent#SpaceXAI
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SpaceX@SpaceX·
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SpaceX to buy Grain's nationwide 800 MHz spectrum, adding an indoor coverage layer to Starlink Mobile

On 2026-10-08 SpaceX agreed to buy 100% of Grain Management's nationwide 800 MHz portfolio (reported 14 MHz paired), pending FCC approval, terms undisclosed. Low-band adds indoor coverage alongside 2 GHz mid-band and Gen2 satellites, positioning Starlink Mobile as a satellite plus terrestrial carrier. It follows the Oct 6 FCC D2D grant; carrier stocks fell after hours.

SpaceX to buy Grain's nationwide 800 MHz spectrum, adding an indoor coverage layer to Starlink Mobile

Key Takeaways

  • Official: SpaceX update + Grain press release; SpaceX acquires 100% of Grain's nationwide 800 MHz portfolio
  • Size: ~14 MHz paired (reported by Via Satellite); terms undisclosed; subject to FCC approval
  • Role: 800 MHz coverage layer for indoor service, 2 GHz for capacity, plus Gen2 Starlink Mobile satellites
  • Context: Grain got it from T-Mobile in Aug 2026; follows the Oct 6 FCC D2D grant
  • Reuters: after-hours T-Mobile −2.7%, Verizon −3%, AT&T −3.6%; no speed or coverage data
Read full story
Linked Models & Agents:
🌐 spacex🌐 starlink🌐 grain-management🌐 t-mobile
#SpaceX#Starlink Mobile#800 MHz#Spectrum#D2D#Grain Management#FCC
X
X FreezeXFreeze·
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FCC clears SpaceX Starlink Mobile next-gen D2D constellation: up to 15,000 VLEO sats, spectrum-lease waiver

On 2026-10-06 the FCC granted-in-part SpaceX’s D2D Constellation (S00735) under DA-26-1078: up to 15,000 sats at 326–335 km, with a §25.125 lease waiver plus PCS G and EchoStar-assigned bands. Milestone: 50% by 2032-10-07. ~150 Mbps/user is a company target, not an FCC measurement.

FCC clears SpaceX Starlink Mobile next-gen D2D constellation: up to 15,000 VLEO sats, spectrum-lease waiver

Key Takeaways

  • Primary: FCC DA-26-1078 (released 2026-10-06) authorizes SpaceX D2D Constellation (S00735) for up to 15,000 NGSO satellites
  • Orbits: nine shells at 326–335 km VLEO; US MSS+SCS, ex-US Direct-to-Cell, plus Ka/V/E/W feeder & TT&C
  • Key waiver: §25.125(a)/(b) — SCS on AWS-3/AWS-H without a terrestrial spectrum lease; also PCS G Block + EchoStar-assigned bands (full ops after Step Two)
  • Milestones: surety bond by 2026-11-04; 50% by 2032-10-07, remainder by 2035-10-07; 2020–2025 MHz and parts of ex-US bands deferred
  • Speeds: no Mbps table in the Order; ~150 Mbps/user peak and ~650 sats/~4 Mbps V1 are company/press figures, not FCC measurements
Read full story
Linked Models & Agents:
🌐 spacex🌐 starlink🌐 t-mobile🌐 echostar
#SpaceX#Starlink Mobile#FCC#DA-26-1078#Direct to device#D2D#VLEO#SCS#EchoStar#T-Mobile#Satellite
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Elon Muskelonmusk·
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Elon: Grok Bot will route each task to the best backend, including Claude Opus 5.5, Midjourney, Suno

On 2026-10-07 Elon Musk said Grok @Bot / @SpaceX will use the best backend model per task—naming Claude Opus 5.5, Midjourney, Suno and other leading APIs. Product context: Introducing Grok Bot and docs. Routing rules, pricing, and timeline are still unspecified in official docs.

Elon: Grok Bot will route each task to the best backend, including Claude Opus 5.5, Midjourney, Suno

Key Takeaways

  • Primary: @elonmusk 2026-10-07 — best backend per task incl. Opus 5.5, Midjourney, Suno
  • Named backends: Claude Opus 5.5, Midjourney, Suno + other APIs; Grok models not said to be retired
  • Product: persistent Bots + shared cloud computer — x.ai/news/introducing-grok-bot + docs.x.ai/grok-bot
  • Unknown: routing map, user visibility/choice, third-party billing, data sharing with vendors
  • No SWE/blind-eval scores in this announcement
Read full story
Linked Models & Agents:
⚡ Claude Opus 5.5⚡ Grok 4.7🤖 Cursor Composer (Agent Mode)🌐 xAI🌐 Anthropic🌐 Cursor (Anysphere)
#Grok Bot#Elon Musk#SpaceX#SpaceXAI#Claude Opus 5.5#Midjourney#Suno#Multi model#model routing#AI Agent
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酥酥@NFT_Chen·
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SpaceXAI official TypeScript SDK is public: one package for Grok text, voice, image, video, and hosted tools

On 2026-10-02 xAI published the official TypeScript SDK @xai-official/sdk (repo xai-org/xai-sdk-ts, Apache-2.0). The same day, 0.2.0 renamed the client to SpaceXAI; npm latest at fetch was 0.2.1. One ESM package covers Grok text, voice, image and video, plus hosted web search, X search, code execution, and remote MCP. Zero runtime dependencies, Node 22.13+, and browser use blocked by default. No public benchmark.

SpaceXAI official TypeScript SDK is public: one package for Grok text, voice, image, video, and hosted tools

Key Takeaways

  • Package: @xai-official/sdk in xai-org/xai-sdk-ts, Apache-2.0, zero runtime deps. npm latest at fetch was 0.2.1 (2026-10-02 22:18 UTC); the post cited 0.2.0
  • 0.2.0 breaking rename: client class xAI to SpaceXAI (changelog). 0.2.1 adds toJson(schema), streaming partial JSON, and retryBeforeOutput
  • Node.js 22.13+, ESM only; browser and Worker use blocked by default. Hosted tools include web search, X search, code execution, and remote MCP; functions and shell run locally
  • No public SDK latency or coding score. About 27 GitHub stars and 312 npm weekly downloads at fetch time. Sample model grok-4.7 is not a benchmark
  • Not the same package as Vercel @ai-sdk/xai. Keep the API key on the server. Interfaces may change before 1.0; outside PRs are not accepted yet
Read full story
Linked Models & Agents:
⚡ Grok 4.7⚡ grok-imagine-image-2.0⚡ grok-imagine-video-1.5🌐 xAI🌐 spacex
#SpaceXAI#Grok#TypeScript#xAI#SDK#@xai-official/sdk#grok-4.7
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SpaceXAI@SpaceXAI·
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SpaceXAI: Grok 4.7 is 50% off on Ramp Router through Oct 6; public catalog still $2/$6

On 2026-10-02 SpaceXAI said Grok 4.7 is 50% off on Ramp Router through October 6. xAI list price remains $2/$6 ($4/$12 for the whole request at ≥200k prompt tokens), and the Router catalog still shows $2.00/$6.00. Routing is free through 2026 with $26 in new-user credits. The discount is not in the docs; check request cost logs before treating $1/$3 as real.

SpaceXAI: Grok 4.7 is 50% off on Ramp Router through Oct 6; public catalog still $2/$6

Key Takeaways

  • Promo: SpaceXAI says Grok 4.7 is 50% off on Ramp Router through 2026-10-06; not restated in the docs
  • List: xAI Grok 4.7 is $2 / $6 per million tokens; ≥200k prompt tokens bill the whole request at $4 / $12
  • Catalog: docs.router.com still lists grok-4.7 at $2.00 / $6.00, 500k context, reasoning low–xhigh, no Fast tier
  • Launch scores (not a re-test): CursorBench 4.0 46.3%, Terminal-Bench 4.0 37.6%, DeepSWE v1.1 high-effort 71.0%
  • Gateway: routing free through 2026, $26 new-user credits, endpoint https://api.router.com/v1
Read full story
Linked Models & Agents:
⚡ Grok 4.7🌐 xAI🌐 ramp
#SpaceXAI#Grok 4.7#Ramp Router#router.com#Pricing#LLM gateway#xAI#Promo
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Google@Google·
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Google Falcon 9 Suncatcher: testing AI/TPU radiative cooling in vacuum

On 2026-10-01 @Google said a Planet prototype with four TPUs reached orbit on SpaceX Transporter-18 (Falcon 9)—first step of Project Suncatcher. Weeks of stress/radiation/thermal data follow; vacuum cooling uses heat pipes + radiators (Facts).

Google Falcon 9 Suncatcher: testing AI/TPU radiative cooling in vacuum

Key Takeaways

  • Official X: Google (2026-10-01 23:34 UTC) confirms four TPUs, Planet, Transporter-18 / Falcon 9
  • Blog: In orbit—contact OK, nominal ops
  • Cooling: heat pipes + radiators; thermal-vac tested (Facts)
  • Payload: Google TPUs; Trillium TID >~5-year mission dose; weeks of telemetry ahead
  • Press: ~1 kW solar, ~15 min duty (Ars); 2027 dual-sat laser ISL
Read full story
Linked Models & Agents:
🌐 Google DeepMind
#Google#Project Suncatcher#Falcon 9#SpaceX#TPU#radiative cooling#Planet#Transporter-18#orbital AI
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Grokipedia@Grokipedia·
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Grokipedia v0.3: refreshed design & discovery; edit review resumes after months frozen

SpaceXAI’s Grokipedia shipped v0.3 on 2026-09-30: new logo, 3D-book Featured/Most-read, Latest edits, and article-page polish. The Verge reports edits flowing again after Lawfare’s documented April freeze. No public coding benchmarks for this release.

Grokipedia v0.3: refreshed design & discovery; edit review resumes after months frozen

Key Takeaways

  • Version: Grokipedia v0.3 live at grokipedia.com (footer v0.3); announced 2026-09-30
  • Focus: design/discovery (Featured 3D books, Most-read spines, Live edits), not a size/accuracy leaderboard drop — The Verge
  • Governance: suggestion → Grok review; Lawfare freeze ~2026-04-24; processing resumed recently
  • Scale clues: v0.1 ~885k articles (Oct 2025); Lawfare Aug cited 6M+; homepage approved edits ~1.17M+ live (not third-party audited)
  • Benchmarks: no public SWE/Arena scores; use as a cross-check source with your own citation checks
Read full story
Linked Models & Agents:
⚡ Grok 4.7🌐 xAI
#Grokipedia#v0.3#SpaceXAI#xAI#Encyclopedia#design refresh#edit review