Observed Signal · Apr 10, 2026 · Competitive Positioning / Investor Memo · Source: CNBC Technology · Impact: 4/5 · Sentiment: Positive
OpenAI Criticizes Anthropic in Investor Memo
OpenAI sent a memo to investors criticizing rival Anthropic’s compute strategy and arguing Anthropic is "compute constrained." The memo projects OpenAI will reach 30 gigawatts of compute by 2030 and estimates Anthropic will have roughly 7–8 gigawatts by the end of 2027. The dispute comes as both companies compete in the large language model market, prepare for potential IPOs, and vie for enterprise customers. Anthropic recently announced a new model rollout tied to a cybersecurity initiative called Project Glasswing and has commercial ties with Google and Broadcom; Anthropic’s CFO Krishna Rao characterized the company’s actions as its most significant compute commitment to date. OpenAI framed its lead as a "compounding advantage" from infrastructure, algorithmic gains and product revenue that lower per-token cost and expand free and builder-facing offerings.
OpenAI (a major platform) publicly quantified its compute roadmap and directly compared capacity to Anthropic, signaling materially different infrastructure trajectories; compute scale and provider competition materially affect AI capability, costs, enterprise adoption and downstream product opportunities across advertising and marketing technology.
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Key Takeaways & Evidence Grounding
- OpenAI sent an investor memo saying Anthropic is "operating on a meaningfully smaller curve" and is compute constrained.
- OpenAI plans to have 30 gigawatts of compute capacity by 2030, per the memo.
- OpenAI estimated Anthropic will have roughly 7–8 gigawatts of compute by the end of 2027.
- Anthropic announced a new model rollout as part of a cybersecurity initiative called Project Glasswing and has a deal referenced with Google and Broadcom.
- Anthropic was founded in 2021 by CEO Dario Amodei and former OpenAI researchers and executives; both companies are preparing for potential IPOs.
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Anthropic Overtakes OpenAI as Hottest AI Upstart
Anthropic has accelerated ahead of OpenAI in the frontier AI model race, more than doubling its revenue from Q1 to Q2 while OpenAI’s revenue rose about 18% and its operating margins worsened, the Wall Street Journal reported. Reuters reported that Anthropic projects as much as $200 billion in 2028 revenue versus OpenAI’s $47 billion run rate disclosed in May. Analysts say the shift could reshape partner and supplier dynamics: companies tied to OpenAI (Oracle, CoreWeave, Broadcom, SoftBank) may face downside while cloud and chip providers tied to Anthropic (Google/Alphabet, Amazon) could benefit because Anthropic sources most compute from Google and Amazon. Market observers note interoperability via open-weight models and the potential for commoditization of frontier AI, but most do not expect OpenAI to disappear. The story is framed as market analysis with implications for stocks and industry supply chains.
Anthropic vs OpenAI: Pre‑IPO BigAI Showdown
The article analyzes the pre‑IPO competition between Anthropic and OpenAI, highlighting major funding rounds, growth trajectories and product cadence. It reports Anthropic closed a $30 billion round while OpenAI is nearing a reported $100 billion round; Nvidia is reportedly in talks to invest up to $30 billion in OpenAI at a $730–$850 billion pre‑money valuation. Revenue projections and customer metrics from third parties (Epoch AI, Ramp) suggest Anthropic may outpace OpenAI in ARR by late 2026, supported by faster historical growth and recent model releases (Anthropic Sonnet 4.6, Google Gemini 3.1 Pro). The piece cites Ramp data showing high customer overlap (79% of Anthropic customers were already OpenAI customers), low churn (~4%), and growing dual adoption (16% of businesses pay for both). It also discusses agentic AI, Model Context Protocol (MCP), and profitability timelines (Anthropic possibly profitable by 2028; OpenAI possibly by 2031).
AI Price War: OpenAI Gains Ground on Anthropic
The AI price war is intensifying, with OpenAI gaining significant ground on Anthropic among business customers. According to a Wall Street Journal report, spending on OpenAI and Anthropic models via the OpenRouter platform was nearly evenly split in September among roughly 120,000 companies using both, a shift from January when Anthropic held about 75% of that spending. OpenAI's aggressive price cuts on its GPT-5.6 lineup, including an 80% reduction on its smallest model Luna and 20% on Terra, are driving this change. Companies are increasingly prioritizing cost, combining multiple providers and using cheaper models for simpler tasks. Anthropic faces its own challenges, including capacity issues with Claude Code and data retention criticism. Both companies are preparing for IPOs, needing to demonstrate sustainable revenue to justify valuations exceeding $1 trillion.
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