Composer 1.5vsGrok 4.6
Composer 1.5 | Grok 4.6 | |
|---|---|---|
| Benchmarks | ||
Agentic coding CursorBench v3.2Cursor's own test of harder, real-world coding tasks inside a code editor, on the refreshed v3.2 task set. Scores aren't comparable with v3.1. Higher is better. | — | 69.9% |
Agentic coding DeepSWE 1.1Artificial Analysis' independent test of deep, agentic software-engineering work — the AI has to plan and carry out substantial coding tasks end to end. (Version 1.1 of the test.) Higher is better. | — | 65.9% |
Agentic coding FrontierCode v1.1 (Extended) · extended splitfrontier-difficulty agentic coding tasks (v1.1, extended split) | — | 61.3% |
Expert software engineering APEX-SWEexpert-level software-engineering tasks (AI Productivity Index) | — | 56.4% |
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. | 67% | 92%Best |
Agentic terminal coding Terminal-Bench 3.0command-line task completion (v3.0, much harder task set) | — | 26% |
Expert agentic work APEX-Agentsexpert-level agentic work tasks (AI Productivity Index) | — | 57.5% |
Agentic legal work Harvey's Legal Agent BenchmarkHarvey's test of whether an AI agent can complete real legal work — drafting and reviewing documents, working with spreadsheets and presentations, and navigating files the way a lawyer's assistant would. Higher is better. | — | 15.8% |
Overall intelligence AA Intelligence IndexArtificial Analysis composite intelligence index across evals | — | 61 |
Knowledge work GDPval-AA v2economically valuable knowledge work (v2, re-based Elo) | — | 1753 |
Knowledge work AA-BriefcaseArtificial Analysis agentic office-work eval (Elo) | — | 1577 |
| Overview | ||
| Company | Cursor | SpaceXAI |
| Release date | Feb 9 2026 | Aug 12 2026 |
| Access | Proprietary | Proprietary |
Which is better: Composer 1.5 or Grok 4.6?
Grok 4.6 leads Composer 1.5 on 1 of the 1 benchmark they both report (Next.js Evals). Composer 1.5 shipped 184 days before Grok 4.6, 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.
On Next.js Evals, Grok 4.6 leads at 92% vs Composer 1.5 at 67%.
Frequently asked questions
Composer 1.5 was released by Cursor on Feb 9 2026.
Grok 4.6 was released by SpaceXAI on Aug 12 2026.
Grok 4.6 leads on Next.js Evals — Composer 1.5 67% vs Grok 4.6 92%.
Other comparisons
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