Composer 2vsGrok‑1.5
Composer 2 | Grok‑1.5 | |
|---|---|---|
| BenchmarksPublished by one model only | ||
SWE-Bench MultilingualMultilingual coding — Like 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% | — |
Next.js EvalsNext.js coding — Vercel'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. | 58% | — |
Terminal-Bench 2.0Agentic terminal coding — Can 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% | — |
| Overview | ||
| Company | SpaceXAI | SpaceXAI |
| Release date | Mar 19 2026 | Mar 29 2024 |
| Access | Proprietary | Proprietary |
Other comparisons
Composer 2vsClaude Fable 5.1Grok‑1.5vsClaude Fable 5.1Composer 2vsGPT-6 AstraGrok‑1.5vsGPT-6 AstraComposer 2vsGemini 3.8 FlashGrok‑1.5vsGemini 3.8 FlashComposer 2vsMuse Spark 1.3Grok‑1.5vsMuse Spark 1.3Composer 2vsDeepSeek-V4.1-FlashGrok‑1.5vsDeepSeek-V4.1-FlashComposer 2vsMistral Medium 3.5Grok‑1.5vsMistral Medium 3.5
Frequently asked questions
Composer 2 and Grok‑1.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok‑1.5 shipped 720 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 — Composer 2 and Grok‑1.5 don't publish scores on any of the same benchmarks.