Claude 1 vs Composer 2
Anthropic Claude 1 | Cursor Composer 2 | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Cursor |
| Release date | Mar 14 2023 | Mar 20 2026 |
| Access | Proprietary | Proprietary |
| Benchmarks | ||
Multilingual coding SWE-Bench MultilingualLike SWE-Bench, but the coding problems span many programming languages, not just one. Tests how broadly the AI can code. Higher is better. | — | 73.7% |
Agentic coding CursorBench v3.1Cursor's own test of harder, real-world coding tasks inside a code editor. Higher is better. | — | 52.2% |
Next.js coding Next.js EvalsVercel's open eval of how well AI coding agents build and migrate real Next.js apps — measured as the share of tasks the agent completes successfully. Higher is better. | — | 75% |
Agentic terminal coding Terminal-Bench 2.0Can the AI work in a command-line terminal — running commands and finishing technical setup tasks the way a developer would? (Version 2.0 of the test.) Higher is better. | — | 61.7% |
| Timeline | ||
| Release gap | Claude 1 shipped 1102 days before Composer 2 | |
Which is better: Claude 1 or Composer 2?
Claude 1 and Composer 2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 1 shipped 1102 days before Composer 2, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
Direct benchmark comparisons are unavailable — Claude 1 and Composer 2 don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude 1 was released by Anthropic on Mar 14 2023.
Composer 2 was released by Cursor on Mar 20 2026.
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