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

Version 14

2026-05-31 18:20 UTC · 234 items

What

On May 6, 2026, Anthropic held 'Code w/ Claude 2026' in San Francisco, announcing a compute deal covering xAI's Colossus 1 data center (300+ MW, 220,000+ GPUs) and doubled Claude Code rate limits.[2] Tom's Hardware has since reported a key technical rationale: Colossus 1's mixed GPU architecture couldn't efficiently train Grok, making it available for Anthropic's inference workloads while xAI builds a Blackwell-only Colossus 2 for frontier training.[10] Two enterprise-scale stories have grown substantially: The Information and Forbes now confirm Uber's CTO reported the company burned its entire 2026 AI tooling budget by April with 5,000 engineers on Claude Code,[13][14] and claims of Microsoft canceling Claude Code licenses in its Experiences + Devices division by June 30 have proliferated across Hacker News, Medium, and Reddit,[17][18][19] though no primary Microsoft documentation has emerged.

Why it matters

The Uber and Microsoft stories together crystallize a central unresolved question: whether Claude Code's pricing model is sustainable at enterprise scale, or whether mass adoption that exhausts budgets inevitably triggers churn at the same scale it initially signals. The Tom's Hardware reporting reframes the Colossus 1 deal from a straightforward partnership to a situation where Anthropic may be absorbing compute xAI couldn't efficiently use for its own training needs — which changes the long-term competitive calculus if xAI's Colossus 2 eventually reclaims that capacity.

Open questions

  • What tool is Microsoft's E+D division replacing Claude Code with — GitHub Copilot, an internal Microsoft alternative, or something else? No official statement has emerged.[17][18][19]

  • Does the Uber CTO's confirmed report[13] reflect a pricing model that cannot survive enterprise scale, or a deliberate heavy adoption that will force a renegotiated enterprise contract?

  • When xAI completes Colossus 2 and no longer needs to lease out Colossus 1, does Anthropic's compute access change materially — and is there a contractual floor protecting it?[10]

  • Are the Max 20x rate-limit failures[27] and WSL image-paste bug[24] resolved, or still open community friction points weeks after the May 6 announcement?

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 access expected within a month.[2] Alongside the compute news, Anthropic doubled Claude Code's five-hour rate limits for Pro, Max, Team, and Enterprise plans and removed peak-hours reductions, framing both moves as enabled by new infrastructure capacity. The conference series has since expanded internationally, with a London keynote published to YouTube[3] and an official Tokyo page on claude.com.[4]

The identity and rationale of the compute partner has attracted sustained scrutiny. xAI — Elon Musk's AI company and Anthropic's direct competitor — published its own official announcement confirming the partnership,[5][6] and The Verge reported the annual cost at $15 billion.[7] Yet Axios, the Wall Street Journal, Daily Maverick, and Wired's Facebook distribution have all described the partner as 'SpaceX,'[8][9] an error that has propagated through multiple press cycles without self-correcting. Tom's Hardware has since added important technical context: Colossus 1's mixed GPU architecture was too inefficient to train Grok, making it effectively available for Anthropic's inference workloads while xAI builds a unified Blackwell-only Colossus 2 for frontier model training and a potential IPO.[10] This reframes the deal: Anthropic may be absorbing compute xAI couldn't use for its own purposes, not compute xAI is sacrificing. Musk reportedly described Claude as 'good for humanity,'[11] a public reversal from his prior tweet that 'Anthropic hates Western Civilization'[12] — no explanation for the shift has been offered.

The enterprise dimension of the story has sharpened considerably. The Information and Forbes both reported that Uber's CTO disclosed the company burned its entire 2026 AI tooling budget by April with 5,000 engineers on Claude Code, a story amplified across LinkedIn, Yahoo Finance, Reddit, and Hacker News.[13][14][15][16] Simultaneously, claims that Microsoft is canceling most Claude Code licenses in its Experiences + Devices division by June 30 have spread from an initial Twitter post to coverage in Hacker News, a Medium article titled 'Microsoft Bans Claude Code for Thousands of Engineers,' AI Weekly, and Reddit's r/theprimeagen.[17][18][19][20] No official Microsoft statement or internal document has confirmed the cancellation, and no replacement tool has been identified.

At the product level, Claude Code 2.1.139 shipped Agent View, Background Sessions, and an autonomous /goal command,[21][22] but the same release introduced a regression where interactive sessions are misclassified as background jobs, causing guards to fire on foreground work.[23] A WSL image-paste failure documented in GitHub issue #13738 has been left to community workarounds — VS Code extensions, an MCP skill, and a YouTube tutorial framing it as 'Claude Code's biggest problem' — rather than a first-party fix.[24][25][26] The announced rate-limit doubling has also faced credibility questions: a GitHub issue documents Max 20x users not receiving the promised increase,[27] and a Reddit thread alleged limits were silently reduced rather than doubled.[28]

Timeline

  • 2026-05-01: Users report Claude Opus 4.7 quota on AWS Bedrock drops to 0 TPM without warning [34][37]
  • 2026-05-06: Anthropic holds 'Code w/ Claude 2026' in San Francisco; Simon Willison live-blogs keynote [1][38]
  • 2026-05-06: Anthropic announces Colossus 1 compute deal (300+ MW, 220,000+ GPUs) and doubled Claude Code rate limits; xAI publishes its own official announcement of the partnership [2][5]
  • 2026-05-07: Axios and WSJ report the deal attributing it to 'SpaceX'; The Verge confirms $15B annual cost; Yahoo Finance identifies xAI as Anthropic's direct AI rival [8][9][7][39]
  • 2026-05-07: India Today reports Musk described Claude as 'good for humanity,' reversing his prior tweet that 'Anthropic hates Western Civilization' [11][12]
  • 2026-05-09: Full YouTube playlist of Code with Claude 2026 SF conference sessions published [40]
  • 2026-05-13: Claude Code 2.1.139 ships Agent View, Background Sessions, and autonomous /goal command [21][22]
  • 2026-05-14: GitHub issue filed: interactive sessions misclassified as background jobs post-2.1.139, causing guards to fire on foreground user work [23]
  • 2026-05-17: Forbes publishes 'Uber Burns Its 2026 AI Budget In Four Months On Claude Code'; The Information's article on Uber CTO's disclosure cited as primary source [14][13]
  • 2026-05-19: Code with Claude London 2026 event held; opening keynote published to YouTube [3]
  • 2026-05-20: Reddit thread alleges Claude Code limits were 'silently reduced' rather than doubled as promised [28]
  • 2026-05-21: MIT Technology Review publishes ambivalent analysis of agentic coding's trajectory [41]
  • 2026-05-25: Twitter claim alleges Microsoft is canceling Claude Code licenses in its Experiences + Devices division by June 30; Grok states key facts 'check out'; Uber budget story circulates on HN, LinkedIn, Yahoo Finance, and Reddit [32][42][15][16]
  • 2026-05-25: Official Tokyo Code w/ Claude 2026 page appears on claude.com [4]
  • 2026-05-26: GitHub issue #13738 documents WSL image-paste failure; community workarounds (VS Code extensions, MCP skill, YouTube tutorial) proliferate in absence of a first-party fix [24][26][25][35]
  • 2026-05-26: Tom's Hardware reports Colossus 1's mixed GPU architecture couldn't train Grok, explaining why it is available for Anthropic inference while xAI builds Blackwell-only Colossus 2 [10]
  • 2026-05-28: Microsoft cancellation story amplifies to Hacker News, Medium ('Microsoft Bans Claude Code for Thousands of Engineers'), AI Weekly, and Reddit r/theprimeagen [17][18][19][20]

Perspectives

Anthropic

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

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

[2][21][29][3][22][4][30]

xAI / Elon Musk

xAI confirmed the Colossus 1 partnership in its own official announcement; Musk reportedly described Claude as 'good for humanity,' directly reversing his prior public hostility toward Anthropic. Tom's Hardware reporting indicates Colossus 1 was available partly because its mixed architecture couldn't support Grok training.

Evolution: Evolved: Musk's reported personal endorsement contradicts his prior hostile public stance; the technical rationale for the deal adds a dimension of mutual convenience rather than pure partnership.

[5][11][12][6][10]

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

Coverage spans a persistent naming conflict — Axios, WSJ, Daily Maverick, and Wired continue 'SpaceX' framing while The Verge, Forbes, Yahoo Finance, and Tom's Hardware use accurate xAI attribution. Tom's Hardware uniquely explains the architectural rationale behind the deal.

Evolution: SpaceX naming error continues to propagate without self-correcting; Tom's Hardware adds the first technical-depth reporting explaining why Colossus 1 was available.

[7][9][8][31][10][14][15]

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: New primary source this pass — upgrades the Uber budget story from unverified Twitter claim to confirmed trade-press reporting.

[13]

Enterprise customers (Microsoft / Uber)

Uber's budget exhaustion is now confirmed by The Information and Forbes as a reported CTO disclosure; Microsoft's reported license cancellations remain unconfirmed by primary sourcing despite wide amplification across HN, Medium, and Reddit.

Evolution: Uber claim substantially upgraded in credibility; Microsoft claim remains at the amplified-rumor stage with no corporate confirmation or identified replacement tool.

[32][33][13][14][17][18][19][20]

Developer community (HN / practitioners)

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.

Evolution: WSL image-paste issue remains the most active community friction point; Hacker News threads on both Uber budget exhaustion and Microsoft cancellation show practitioner-level concern about enterprise pricing sustainability.

[34][27][28][23][26][25][24][35][16][17]

OpenAI

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

Evolution: Consistent competitive posture; no new statements this pass.

[36]

Tensions

  • xAI's own official announcement and multiple outlets identify xAI as the compute deal counterparty, while Axios, WSJ, Daily Maverick, and Wired's Facebook distribution continue to call the partner 'SpaceX' — an error that has propagated through multiple press cycles without self-correcting. [5][8][9][31][6]
  • 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 for its own purposes — while Anthropic's public framing presents the deal as a proactive infrastructure investment. [10][2]
  • 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][27][28]
  • The Information and Forbes confirm Uber burned its entire 2026 AI tooling budget by April with 5,000 engineers on Claude Code, while Microsoft reportedly canceled most Claude Code licenses in its E+D division by June 30 — enterprise-scale momentum and enterprise-scale churn simultaneously, with the Microsoft claim still lacking primary documentation. [13][14][32][17][18][19]
  • Anthropic's conference messaging emphasizes seamless developer experience, but a WSL image-paste failure documented in GitHub issue #13738 has been left to the community to resolve via third-party extensions and MCP tools rather than a first-party fix. [24][26][25][35]

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] Code with Claude London 2026: Opening Keynote - YouTube — reactive:anthropic-code-with-claude-2026
  4. [4] Tokyo — Code w/ Claude 2026 — reactive:anthropic-code-with-claude-2026
  5. [5] New Compute Partnership with Anthropic - xAI — reactive:spacex-s1-anthropic-compute
  6. [6] World Internet Conference — reactive:anthropic-code-with-claude-2026
  7. [7] Anthropic is paying $15 billion a year for access to Elon Musk's data ... — reactive:anthropic-code-with-claude-2026
  8. [8] Anthropic Inks Deal to Use All of SpaceX's Colossus 1 Compute ... — reactive:spacex-s1-anthropic-compute
  9. [9] Anthropic is paying SpaceX $15 billion per year - Axios — reactive:spacex-s1-anthropic-compute
  10. [10] 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
  11. [11] Elon Musk gives Anthropic full access to Colossus 1 Supercomputer, says Claude is good for humanity — reactive:anthropic-code-with-claude-2026
  12. [12] After Elon Musk tweeted that “Anthropic hates Western Civilization ... — reactive:anthropic-code-with-claude-2026
  13. [13] Uber CTO Shows How Claude Code Can Blow Up AI Budgets — reactive:anthropic-code-with-claude-2026
  14. [14] Uber Burns Its 2026 AI Budget In Four Months On Claude Code — reactive:anthropic-code-with-claude-2026
  15. [15] Uber burned through its entire 2026 AI budget in four months. Now ... — reactive:anthropic-code-with-claude-2026
  16. [16] Uber torches 2026 AI budget on Claude Code in four months — 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 Drops Claude Code After Budget Overrun | AI Weekly — reactive:anthropic-enterprise-expansion
  21. [21] Thoughts on Claude Code 2.1.139 Agent View and Background Sessions — reactive:anthropic-code-with-claude-2026 (2026-05-13)
  22. [22] Claude Code 2.1: Anthropic Unveils Agent View and Autonomous /goal Command | explainx.ai Blog | explainx.ai — reactive:anthropic-code-with-claude-2026
  23. [23] 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
  24. [24] Clipboard image paste not working in WSL · Issue #13738 - GitHub — reactive:anthropic-code-with-claude-2026
  25. [25] Claude Code Image Paste (WSL) - Open VSX Registry — reactive:anthropic-code-with-claude-2026
  26. [26] WSL2 Clipboard Fix for Claude Code | AI Coding Setup — reactive:anthropic-code-with-claude-2026
  27. [27] Max 20x plan hitting daily limit with reduced usage - GitHub — reactive:anthropic-code-with-claude-2026
  28. [28] Claude Code Limits Were Silently Reduced and It's MUCH Worse — reactive:anthropic-code-with-claude-2026
  29. [29] CI auto-fix just landed at Code with Claude 2026: tests fail → Claude fixes → PR opened for your review. — reactive:anthropic-code-with-claude-2026 (2026-05-17)
  30. [30] Anthropic's Code with Claude Announces Managed Agents ... - InfoQ — reactive:anthropic-code-with-claude-2026
  31. [31] Anthropic and SpaceX have joined forces, leasing the massive ... — reactive:anthropic-agent-ai-direction
  32. [32] @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)
  33. [33] @anishmoonka uber's cto told the information the full 2026 ai tooling budget was gone by april with 5000 engineers on cl... — reactive:anthropic-code-with-claude-2026 (2026-05-25)
  34. [34] Tell HN: Claude Opus 4.7 quota suddenly changed to 0 TPM in Bedrock — reactive:anthropic-code-with-claude-2026 (2026-05-01)
  35. [35] I Solved Claude Code's Biggest Problem (HUGE UPGRADE) — 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] Claude Opus 4.7 quota suddenly changed to 0 TPM in Bedrock. : r/aws — reactive:anthropic-code-with-claude-2026
  38. [38] Live blog: Code with Claude 2026 — reactive:anthropic-code-with-claude-2026 (2026-05-06)
  39. [39] Why Anthropic Is Now Paying Its Biggest Competitor $1.25B A Month — reactive:anthropic-code-with-claude-2026
  40. [40] Code with Claude 2026 – San Francisco (playlist) [video] — reactive:anthropic-code-with-claude-2026 (2026-05-09)
  41. [41] Anthropic's Code with Claude showed off coding's future—whether ... — reactive:anthropic-agent-ai-direction
  42. [42] @fearlessxz @Crypto_Jargon **Yes, the key facts check out.** — reactive:anthropic-code-with-claude-2026 (2026-05-25)