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Anthropic 'Code w/ Claude 2026' Developer Event and Same-Day Announcements · history

Version 17

2026-06-04 18:23 UTC · 266 items

What

On May 6, 2026, Anthropic held 'Code w/ Claude 2026' in San Francisco, announcing a compute deal with xAI covering the Colossus 1 data center (300+ MW, 220,000+ GPUs) and doubled Claude Code rate limits.[2] Two enterprise stories dominate follow-on coverage: Uber's CTO disclosed the company burned its entire 2026 AI tooling budget by April with 5,000 engineers on Claude Code,[10] and reports allege Microsoft canceled most Claude Code licenses in its Experiences + Devices division by June 30, with Copilot CLI and GitHub Copilot named as replacements.[20][21] Zeniteq adds a specific causal framing: token billing, not general overspend, is what broke Microsoft's budget.[22] No official Microsoft statement has confirmed the cancellation or any named replacement.

Why it matters

The Uber budget exhaustion and Microsoft's reported switch together show that Claude Code's per-token pricing model can hit enterprise cost ceilings faster than annual budgets allow. If the Microsoft cancellation is confirmed, a Microsoft-owned product displacing Anthropic's tool inside Microsoft's own engineering division would be a pointed signal about the sustainability of token-billed AI tooling at enterprise scale.

Open questions

  • Is Microsoft's reported cancellation an official company policy or a division-level cost-control measure? No primary Microsoft statement confirms the cancellation, the June 30 deadline, or whether the replacement is Copilot CLI[20] or GitHub Copilot more broadly.[21]

  • Does Zeniteq's 'token billing broke the budget' framing[22] reflect a documented Microsoft cost analysis, or is it secondary inference from the same unconfirmed source as the original cancellation claim?

  • Does Uber's budget exhaustion[10] represent a pricing model that breaks at enterprise scale, or a deliberate heavy adoption that will force a renegotiated contract — and are other companies reporting similar overruns?

  • When xAI completes Colossus 2 and no longer needs to lease out Colossus 1, does Anthropic's compute access change materially?[5]

Narrative

On May 6, 2026, Anthropic held its 'Code w/ Claude 2026' developer conference in San Francisco, live-blogged by Simon Willison.[1] The same day, Anthropic disclosed a compute agreement covering the full Colossus 1 data center — over 300 megawatts and more than 220,000 NVIDIA GPUs — with xAI, and doubled Claude Code's rate limits for Pro, Max, Team, and Enterprise plans.[2] xAI published its own announcement confirming the partnership,[3] The Verge reported the annual cost at $15 billion,[4] and Tom's Hardware noted that Colossus 1's mixed GPU architecture was too inefficient to train Grok, making it available for Anthropic's inference workloads while xAI builds a Blackwell-only Colossus 2.[5] Multiple outlets — Axios, the Wall Street Journal, and Wired — misattributed the deal to 'SpaceX' rather than xAI, an error that propagated without self-correction.[6][7] The conference expanded internationally with a London keynote[8] and a Tokyo event page.[9]

The enterprise dimension of the story has split into two threads. The Information and Forbes confirm that Uber's CTO disclosed the company burned its entire 2026 AI tooling budget by April with 5,000 engineers on Claude Code.[10][11] That story has amplified broadly across YouTube, LinkedIn, Medium, Facebook, and Reddit,[12][13][14][15][16] with commentary framing the episode as evidence that per-token AI tooling is too expensive at enterprise scale. Simultaneously, claims that Microsoft canceled most Claude Code licenses in its Experiences + Devices division by June 30 have spread from an initial Twitter post through Hacker News, Medium, and Reddit.[17][18][19] A Windows Forum report names Copilot CLI as the designated replacement;[20] a LinkedIn piece names GitHub Copilot more broadly;[21] and Zeniteq adds a specific causal claim — that token billing, not general budget overrun, is what broke Microsoft's cost model.[22] None of these accounts cite a primary Microsoft source, and no official statement has confirmed the cancellation, the deadline, or the replacement tool.

At the product level, Claude Code 2.1.139 shipped Agent View, Background Sessions, and an autonomous /goal command,[23][24] but the same release introduced a regression where interactive sessions are misclassified as background jobs, causing guards to fire on foreground work.[25] A WSL image-paste failure documented in GitHub issue #13738 has been left to community workarounds — VS Code extensions, an MCP skill, and YouTube tutorials — rather than a first-party fix.[26][27][28] The announced rate-limit doubling has also faced credibility challenges: a GitHub issue documents Max 20x users not receiving the promised increase,[29] and a Reddit thread alleged limits were silently reduced rather than doubled.[30]

Timeline

  • 2026-05-06: Anthropic holds 'Code w/ Claude 2026' in San Francisco; Simon Willison live-blogs keynote [1][37]
  • 2026-05-06: Anthropic announces Colossus 1 compute deal (300+ MW, 220,000+ GPUs) with xAI and doubled Claude Code rate limits; xAI publishes its own official announcement [2][3]
  • 2026-05-07: Axios and WSJ misattribute the compute deal to 'SpaceX'; The Verge confirms $15B annual cost [6][7][4]
  • 2026-05-09: Full YouTube playlist of Code with Claude 2026 SF sessions published [38]
  • 2026-05-13: Claude Code 2.1.139 ships Agent View, Background Sessions, and autonomous /goal command [23][24]
  • 2026-05-14: GitHub issue filed: interactive sessions misclassified as background jobs post-2.1.139, causing guards to fire on foreground user work [25]
  • 2026-05-17: Forbes publishes 'Uber Burns Its 2026 AI Budget In Four Months On Claude Code'; The Information's Uber CTO disclosure cited as primary source [11][10]
  • 2026-05-19: Code with Claude London 2026 event held; opening keynote published to YouTube [8]
  • 2026-05-20: Reddit thread alleges Claude Code limits were silently reduced rather than doubled as promised [30]
  • 2026-05-25: Twitter claim alleges Microsoft is canceling Claude Code licenses in its E+D division by June 30; Uber budget story circulates on HN, LinkedIn, and Reddit [33][39][34]
  • 2026-05-26: GitHub issue #13738 documents WSL image-paste failure; community workarounds proliferate in absence of a first-party fix [26][28][27]
  • 2026-05-26: Tom's Hardware reports Colossus 1's mixed GPU architecture couldn't train Grok, explaining its availability for Anthropic inference while xAI builds Blackwell-only Colossus 2 [5]
  • 2026-05-28: Microsoft cancellation story amplifies to Hacker News, Medium, and Reddit; Windows Forum names Copilot CLI as designated replacement [17][18][19][20]
  • 2026-06-02: Uber budget story amplifies across YouTube, LinkedIn, Medium, Facebook, Instagram, and Reddit [12][13][35][40][41][42]
  • 2026-06-04: Zeniteq attributes Microsoft cancellation specifically to token billing breaking the budget; LinkedIn piece names GitHub Copilot (not Copilot CLI) as the replacement tool [22][21]

Perspectives

Anthropic

Framing the Colossus 1 compute deal and rate-limit doubling as developer-first moves enabled by aggressive infrastructure investment; international conference expansion and rapid product iteration reinforce the developer-focused narrative.

Evolution: Consistent — promotional and forward-looking throughout; no public response to enterprise churn claims, the Microsoft cancellation reports, or product regression reports.

[2][23][8][24][9]

xAI / Elon Musk

xAI confirmed the Colossus 1 partnership officially; Musk reportedly described Claude as 'good for humanity,' directly reversing his prior public hostility toward Anthropic.

Evolution: Evolved: Musk's reported personal endorsement contradicts his prior hostile public stance; Tom's Hardware reporting adds that Colossus 1 was available partly because its mixed architecture couldn't support Grok training, suggesting mutual convenience alongside the partnership.

[3][31][32][5]

Mainstream tech press (Axios / WSJ / The Verge / Forbes / Tom's Hardware / Zeniteq)

Coverage spans a persistent naming conflict — Axios, WSJ, and Wired continue 'SpaceX' framing while The Verge, Forbes, and Tom's Hardware use accurate xAI attribution. Zeniteq advances the Microsoft story with a specific causal claim: token billing, not general overspend, broke Microsoft's budget.

Evolution: SpaceX naming error continues propagating. Zeniteq's token-billing framing is the most specific causal claim yet on the Microsoft story, though it cites no primary Microsoft source.

[4][7][6][5][11][22]

The Information

Primary-source reporting on Uber CTO's disclosure that the company burned its entire 2026 AI tooling budget by April with 5,000 engineers on Claude Code — framed as a cautionary signal about how Claude Code can 'blow up AI budgets.'

Evolution: Consistent primary source; story continues amplifying broadly across social platforms with no material additions to the underlying facts.

[10][12][13][15][16]

Enterprise customers (Microsoft / Uber)

Uber's budget exhaustion is confirmed by The Information and Forbes. Microsoft's license cancellations remain unconfirmed by primary sourcing; secondary accounts now name either Copilot CLI or GitHub Copilot as the replacement, with Zeniteq adding a token-billing causal mechanism.

Evolution: The Microsoft claim has accumulated more secondary accounts and causal framing, but remains without an official statement. The discrepancy between 'Copilot CLI' and 'GitHub Copilot' as the named replacement is unresolved.

[33][10][11][17][20][22][21]

Developer community (HN / practitioners / social media)

Broadly engaged with Claude Code productivity gains but tracking persistent friction: Max 20x rate-limit doublings not materializing, Agent View foreground/background misclassification, and a WSL image-paste failure left to community workarounds. Uber budget story drives discourse framing per-token AI tools as too expensive at enterprise scale.

Evolution: 'AI is too expensive to replace us' framing from Medium has taken hold in broader social commentary and is amplifying alongside the Microsoft story.

[29][30][25][28][27][26][34][17][35][14]

OpenAI

Competitive pressure: reportedly positioning $100/month ChatGPT Pro as a direct counter to Anthropic and Claude Code's developer appeal.

Evolution: Consistent competitive posture; no new statements.

[36]

Tensions

  • xAI's own official announcement and multiple outlets identify xAI as the compute deal counterparty, while Axios, WSJ, and Wired continue to call the partner 'SpaceX' — an error that has propagated through multiple press cycles without self-correcting. [3][6][7]
  • Anthropic announced doubled rate limits on May 6 as a direct benefit of the compute deal, but a GitHub issue documents Max 20x users not receiving the doubling and a Reddit thread alleges limits were silently reduced rather than increased. [2][29][30]
  • Secondary accounts of the Microsoft cancellation disagree on the named replacement: Windows Forum reports Copilot CLI,[20] while a LinkedIn piece names GitHub Copilot more broadly,[21] and no primary Microsoft source confirms either. [20][22][21]
  • The Information and Forbes confirm Uber burned its entire 2026 AI tooling budget with 5,000 engineers on Claude Code, while unconfirmed reports allege Microsoft is replacing Claude Code with a Microsoft-owned alternative — enterprise-scale adoption and enterprise-scale churn occurring simultaneously. [10][11][20][17]
  • Tom's Hardware reports Colossus 1 was unavailable for Grok training due to mixed GPU architecture — suggesting Anthropic is absorbing compute xAI couldn't use — while Anthropic's public framing presents the deal as a proactive infrastructure investment. [5][2]

Sources

  1. [1] Live blog: Code w/ Claude 2026 — Simon Willison (2026-05-06)
  2. [2] Higher usage limits for Claude and a compute deal with SpaceX — Anthropic News (2026-05-06)
  3. [3] New Compute Partnership with Anthropic - xAI — reactive:spacex-s1-anthropic-compute
  4. [4] Anthropic is paying $15 billion a year for access to Elon Musk's data ... — reactive:anthropic-code-with-claude-2026
  5. [5] Musk's Colossus 1 AI supercomputer's inefficient mixed-architecture design couldn't be used to train Grok, so Anthropic's using it for inference instead — Musk readies unified Blackwell-only Colossus 2 for frontier training and potential IPO — reactive:anthropic-code-with-claude-2026
  6. [6] Anthropic Inks Deal to Use All of SpaceX's Colossus 1 Compute ... — reactive:spacex-s1-anthropic-compute
  7. [7] Anthropic is paying SpaceX $15 billion per year - Axios — reactive:spacex-s1-anthropic-compute
  8. [8] Code with Claude London 2026: Opening Keynote - YouTube — reactive:anthropic-code-with-claude-2026
  9. [9] Tokyo — Code w/ Claude 2026 — reactive:anthropic-code-with-claude-2026
  10. [10] Uber CTO Shows How Claude Code Can Blow Up AI Budgets — reactive:anthropic-code-with-claude-2026
  11. [11] Uber Burns Its 2026 AI Budget In Four Months On Claude Code — reactive:anthropic-code-with-claude-2026
  12. [12] Uber's CTO Just Blew His Entire Claude Code 2026 Budget - But He’s Still Hiring Engineers. — reactive:anthropic-code-with-claude-2026
  13. [13] Uber's AI Budget Exhausted in 2026 | Pareekh Jain posted on the topic — reactive:anthropic-code-with-claude-2026
  14. [14] Uber burned through its entire 2026 AI budget by mid-April. Four ... — reactive:anthropic-code-with-claude-2026
  15. [15] Blown by April: Why Uber's $3.4 Billion R&D Budget Could Not Hold ... — reactive:anthropic-code-with-claude-2026
  16. [16] Uber blew its entire 2026 AI budget, and we are only 4 months in lol ... — reactive:anthropic-code-with-claude-2026
  17. [17] Microsoft starts canceling Claude Code licenses - Hacker News — reactive:anthropic-enterprise-losses
  18. [18] Microsoft Bans Claude Code for Thousands of Engineers (Right ... — reactive:anthropic-code-with-claude-2026
  19. [19] Microsoft canceled its internal Claude Code licenses this week after ... — reactive:anthropic-code-with-claude-2026
  20. [20] Microsoft Tightens Claude Code Access, Pushes Teams to Copilot CLI by June 30 | Windows Forum — reactive:anthropic-code-with-claude-2026
  21. [21] Microsoft Cancels Claude Code Licenses, Shifts Engineers to GitHub Copilot — reactive:anthropic-code-with-claude-2026
  22. [22] Microsoft Killed Its Claude Code Licenses Because Token Billing ... — reactive:anthropic-code-with-claude-2026
  23. [23] Thoughts on Claude Code 2.1.139 Agent View and Background Sessions — reactive:anthropic-code-with-claude-2026 (2026-05-13)
  24. [24] Claude Code 2.1: Anthropic Unveils Agent View and Autonomous /goal Command | explainx.ai Blog | explainx.ai — reactive:anthropic-code-with-claude-2026
  25. [25] Interactive `claude` sessions are classified as background jobs post-2.1.139, causing bg-only guards to fire on user-foreground work · Issue #59848 · anthropics/claude-code · GitHub — reactive:anthropic-code-with-claude-2026
  26. [26] Clipboard image paste not working in WSL · Issue #13738 - GitHub — reactive:anthropic-code-with-claude-2026
  27. [27] Claude Code Image Paste (WSL) - Open VSX Registry — reactive:anthropic-code-with-claude-2026
  28. [28] WSL2 Clipboard Fix for Claude Code | AI Coding Setup — reactive:anthropic-code-with-claude-2026
  29. [29] Max 20x plan hitting daily limit with reduced usage - GitHub — reactive:anthropic-code-with-claude-2026
  30. [30] Claude Code Limits Were Silently Reduced and It's MUCH Worse — reactive:anthropic-code-with-claude-2026
  31. [31] Elon Musk gives Anthropic full access to Colossus 1 Supercomputer, says Claude is good for humanity — reactive:anthropic-code-with-claude-2026
  32. [32] After Elon Musk tweeted that “Anthropic hates Western Civilization ... — reactive:anthropic-code-with-claude-2026
  33. [33] @Crypto_Jargon Microsoft is canceling most Claude Code licenses in its Experiences + Devices division by June 30 and mov... — reactive:anthropic-code-with-claude-2026 (2026-05-25)
  34. [34] Uber torches 2026 AI budget on Claude Code in four months — reactive:anthropic-code-with-claude-2026
  35. [35] AI Is Too Expensive To Replace Us | Product Notes - Medium — reactive:anthropic-code-with-claude-2026
  36. [36] OpenAI looks to take on Anthropic with $100 per month ChatGPT Pro subscriptions — reactive:anthropic-code-with-claude-2026 (2026-04-09)
  37. [37] Live blog: Code with Claude 2026 — reactive:anthropic-code-with-claude-2026 (2026-05-06)
  38. [38] Code with Claude 2026 – San Francisco (playlist) [video] — reactive:anthropic-code-with-claude-2026 (2026-05-09)
  39. [39] Uber burned through its entire 2026 AI budget in four months. Now ... — reactive:anthropic-code-with-claude-2026
  40. [40] Uber's CTO says it has already used its 2026 AI budget due to ... — reactive:anthropic-code-with-claude-2026
  41. [41] Uber has already burned through its entire 2026 AI budget just four ... — reactive:anthropic-code-with-claude-2026
  42. [42] Uber burned its entire 2026 AI coding budget in 4 months - Reddit — reactive:anthropic-code-with-claude-2026