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Dec 2023-Dec 2026 (guided)
Mid 2024 (est.)-Early 2026
| Date | Release | Significance |
|---|---|---|
| Jan 2025 | Tab model (proprietary) | First in-house model: multi-line, multi-file predictive completion; the autocomplete wedge that drove early ARR |
| Oct 2025 | Composer 1.0 (with Cursor 2.0) | First in-house agentic frontier model; MoE trained with RL; most coding tasks under 30 seconds, ~4x faster generation than peers |
| Feb 2026 | Composer 1.5 | Quality and long-horizon refresh; lands as ARR crosses $2B |
| Mar 2026 | Composer 2 | Frontier-level coding at a fraction of the cost; token pricing ~$0.50/M in, $2.50/M out (standard variant) |
| May 2026 | Composer 2.5 | Current in-house frontier coding model; continues the self-served-inference margin strategy |
Early 2025 (est.)-Apr 2026
| Round (date, lead) | Amount Raised | Post-Money Valuation | Notable Investors |
|---|---|---|---|
| Pre-Seed (late 2022) | $11M | n/a | OpenAI Startup Fund, Nat Friedman, Daniel Gross |
| Series A (2024-08, a16z) | $60M | $400M | Andreessen Horowitz, OpenAI Startup Fund, Thrive Capital |
| Series B (2024-12, Thrive) | $105M | $2.5B | Thrive Capital, Andreessen Horowitz, Benchmark, Stripe |
| Series C (2025-06, Thrive) | $900M | $9.9B | Thrive Capital, Andreessen Horowitz, Accel, DST Global |
| Series D (2025-11, Accel + Coatue) | $2.3B | $29.3B | Accel, Coatue, Andreessen Horowitz, Thrive, Google, Nvidia |
| Reported round (2026-04, RUMORED, paused by SpaceX $60B deal) | ~$2B (reported) | ~$50B (reported) | a16z and Thrive (reported leads), Nvidia (reported) |
| Date | Launch | Significance |
|---|---|---|
| Mar 2023 | Cursor v0 | VS Code fork with first-class LLM integration ships to the public |
| Jan 2025 | Tab | Proprietary multi-line, multi-file predictive completion; the prosumer wedge behind the $100M ARR milestone |
| Jul 2025 | BugBot | Background agent that reviews pull requests and suggests fixes; expands beyond the editor |
| Aug 2025 | Cursor CLI (Agent) | Terminal-side coding agent; competitive response to Anthropic Claude Code and OpenAI Codex |
| Oct 2025 | Cursor 2.0 + Composer | Rearchitecture around a multi-agent interface and Cursor's own in-house Composer model |
| 2025 onward | Custom Model Router | Auto-selects across OpenAI, Anthropic, xAI, open-weight, and in-house Composer per task |

$PRIVATE
Largest AI lab by revenue. Approximately $13B annualized run-rate revenue (mid-2025) from a mix of ChatGPT consumer subscriptions, ChatGPT Enterprise / Team, the OpenAI API, and Microsoft Azure OpenAI revenue share. ChatGPT reaches roughly 800M weekly active users (late 2025). Builder of the GPT family (GPT-4o, GPT-4.5, GPT-5, o-series reasoning models) and Sora video. Microsoft is the dominant compute and distribution partner; SoftBank led the $40B March 2025 primary round at $300B.