GitHub Copilot vs Cursor 2026: The Only Two AI Coding Tools With Verifiable Numbers
103-agent deep research on 8 AI coding tools. Only GitHub Copilot and Cursor had verifiable data. 4.7M Copilot subscribers. Cursor hit $2B ARR in 13 months. Updated Aug 10, 2026: Meta's Muse Code is the third: real pricing, real benchmark, 1M-token context.
A 103-agent deep research run tested claims about eight AI coding tools. Six produced no verifiable data. Two had numbers that survived adversarial verification.
Claude Code, Codeium, Replit AI, Lovable, Bolt.new, and v0 by Vercel all failed. Not because they are bad products. Because their publicly available data comes from marketing pages and blog aggregators, not from earnings calls or credible financial reporting.
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The Two With Real Numbers
GitHub Copilot
4.7 million paid subscribers as of January 2026. Up 75% year-over-year. 90% of Fortune 100 companies are Copilot customers.
These numbers come from Microsoft's SEC-regulated earnings calls. GitHub COO Kyle Daigle disclosed the subscriber count in the FY26 Q2 call on January 28, 2026. Microsoft CEO Satya Nadella confirmed the Fortune 100 penetration in July 2025. Earnings call numbers carry legal accountability.
Cursor
$100M ARR in January 2025. $500M in June. $1B in November. $2B in February 2026. That is 20x growth in 13 months.
Bloomberg confirmed these numbers on March 2, 2026. SaaStr called it "the fastest B2B to scale ever." CNBC named Cursor to its Disruptor 50 list. Subsequent reports show Cursor surpassing $3B ARR.
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Why Only Two
Stack Overflow's 2025 Developer Survey confirms 84% of developers use or plan to use AI coding tools, up from 76% in 2024. This is the broadest reliable adoption data available. 49,000 respondents across 177 countries.
Everything else about the other six tools failed verification. Pricing claims came from blog aggregators with no original sourcing. User counts came from marketing materials, not financial disclosures. Benchmark scores traced back to comparison articles with no test methodology.
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Which One
Copilot works across VS Code, JetBrains, Neovim, Xcode, and Visual Studio. It offers Claude, GPT, and Gemini in one subscription. Enterprise compliance and admin tools are built in. Pick Copilot when you work at a company with compliance requirements or use multiple editors.
Cursor is a VS Code fork. Your Microsoft extensions will not work. But the predictive tab completion and agent mode feel woven into the editor. Developers who switch describe it as pair programming. Pick Cursor when you code four-plus hours per day and want AI that feels native.
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Update (August 10, 2026): Now There Are Three
Muse Code, Meta's terminal coding agent, launched in public beta on August 5 with the first verifiable numbers this list has gained since the July research run.
- Real pricing, published by Meta: $1.25 per million input tokens and $4.25 per million output tokens on the standard API tier; a contributor tier at $0.10/$0.20, roughly 4–21x cheaper than rivals. The trade-off is disclosed in the terms: contributor users' prompts and repository context train Meta's models.
- A real benchmark score: 82.9% on Terminal-Bench 2.1, ahead of GPT-5.6 Terra, behind Claude Opus 5's 86.7%. Meta publishes the gap instead of hiding it.
- A verifiable context window: 1 million tokens, matching the top tier.
That makes three AI coding tools with numbers that survive verification. The other six from the July run (Claude Code, Codeium, Replit AI, Lovable, Bolt.new, and v0) still publish no verifiable financials. But Muse Code proves the market is moving toward published, checkable numbers, and Meta's price points put real pressure on the $20/month subscription model.
Related: OpenAI's ChatGPT Work (launched July 9) bundles a Codex-powered agent into existing ChatGPT plans. Its pricing is metered by agent credits rather than published per-seat rates, so it doesn't make this list, but it's the other notable agent launch of the summer, and it does produce finished documents, spreadsheets, and websites on top of code.
*Sources: Microsoft FY26 Q2 earnings call (Jan 28, 2026); Stack Overflow 2025 Developer Survey; Bloomberg (Mar 2, 2026); Yahoo Finance; TechCrunch; SaaStr; CNBC Disruptor 50 (May 2026); Meta AI research blog: Muse Code and Muse Spark 1.2 (Aug 5, 2026); eWeek (Aug 5, 2026); Terminal-Bench 2.1 results.*